restart2data.cpp
14df2cfca11fmaster

restart2data.cpp
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			/* -----------------------------------------------------------------------
			LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
			www.cs.sandia.gov/~sjplimp/lammps.html
			Steve Plimpton, sjplimp@sandia.gov, Sandia National Laboratories

			Copyright (2003) Sandia Corporation. Under the terms of Contract
			DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
			certain rights in this software. This software is distributed under
			the GNU General Public License.

			See the README file in the top-level LAMMPS directory.
			------------------------------------------------------------------------ */

			// Convert a LAMMPS binary restart file into an ASCII text data file
			//
			// Syntax: restart2data restart-file data-file (input-file)
			// restart-file and data-file are mandatory
			// input-file is optional
			// if specified it will contain LAMMPS input script commands
			// for mass and force field info
			// only a few force field styles support this option
			//
			// this serial code must be compiled on a platform that can read the binary
			// restart file since binary formats are not compatible across all platforms
			// restart-file can have a '%' character to indicate a multiproc restart
			// file as written by LAMMPS

			#include "math.h"
			#include "stdio.h"
			#include "stdlib.h"
			#include "string.h"

			#define MIN(a,b) ((a) < (b) ? (a) : (b))
			#define MAX(a,b) ((a) > (b) ? (a) : (b))

			#define MAX_GROUP 32
			#define PI (4.0*atan(1.0))

			// these must match settings in src/lmptype.h
			// depending on whether you built LAMMPS with
			// -DLAMMPS_SMALLBIG (the default), -DLAMMPS_BIGBIG, or -DLAMMPS_SMALLSMALL

			#include "stdint.h"
			#define __STDC_FORMAT_MACROS
			#include "inttypes.h"

			#ifndef PRId64
			#define PRId64 "ld"
			#endif

			#if !defined(LAMMPS_SMALLSMALL) && !defined(LAMMPS_BIGBIG) && !defined(LAMMPS_SMALLBIG)
			#define LAMMPS_SMALLBIG
			#endif

			#if defined(LAMMPS_SMALLBIG)
			typedef int tagint;
			typedef int64_t bigint;
			#define BIGINT_FORMAT "%" PRId64
			#define IMGMASK 1023
			#define IMGMAX 512
			#define IMGBITS 10
			#define IMG2BITS 20
			#elif defined(LAMMPS_SMALLSMALL)
			typedef int tagint;
			typedef int bigint;
			#define BIGINT_FORMAT "%d"
			#define IMGMASK 1023
			#define IMGMAX 512
			#define IMGBITS 10
			#define IMG2BITS 20
			#else /* LAMMPS_BIGBIG */
			typedef int64_t tagint;
			typedef int64_t bigint;
			#define BIGINT_FORMAT "%" PRId64
			#define IMGMASK 2097151
			#define IMGMAX 1048576
			#define IMGBITS 21
			#define IMG2BITS 42
			#endif

			// same as write_restart.cpp

			enum{VERSION,SMALLINT,TAGINT,BIGINT,
			UNITS,NTIMESTEP,DIMENSION,NPROCS,PROCGRID_0,PROCGRID_1,PROCGRID_2,
			NEWTON_PAIR,NEWTON_BOND,XPERIODIC,YPERIODIC,ZPERIODIC,
			BOUNDARY_00,BOUNDARY_01,BOUNDARY_10,BOUNDARY_11,BOUNDARY_20,BOUNDARY_21,
			ATOM_STYLE,NATOMS,NTYPES,
			NBONDS,NBONDTYPES,BOND_PER_ATOM,
			NANGLES,NANGLETYPES,ANGLE_PER_ATOM,
			NDIHEDRALS,NDIHEDRALTYPES,DIHEDRAL_PER_ATOM,
			NIMPROPERS,NIMPROPERTYPES,IMPROPER_PER_ATOM,
			BOXLO_0,BOXHI_0,BOXLO_1,BOXHI_1,BOXLO_2,BOXHI_2,
			SPECIAL_LJ_1,SPECIAL_LJ_2,SPECIAL_LJ_3,
			SPECIAL_COUL_1,SPECIAL_COUL_2,SPECIAL_COUL_3,
			XY,XZ,YZ};
			enum{MASS};
			enum{PAIR,BOND,ANGLE,DIHEDRAL,IMPROPER};

			static const char * const cg_type_list[] =
			{"none", "lj9_6", "lj12_4", "lj12_6"};

			int swapflag;

			// ---------------------------------------------------------------------
			// Data class to hold problem
			// ---------------------------------------------------------------------

			class Data {
			public:

			// global settings

			char *version;
			int size_smallint,size_tagint,size_bigint;
			bigint ntimestep;
			int nprocs;
			char *unit_style;
			int dimension;
			int px,py,pz;
			int newton_pair,newton_bond;
			int xperiodic,yperiodic,zperiodic;
			int boundary[3][2];

			char *atom_style;
			int style_angle,style_atomic,style_bond,style_charge,style_dipole;
			int style_ellipsoid,style_full,style_line,style_meso;
			int style_molecular,style_peri,style_sphere;
			int style_tri,style_wavepacket,style_hybrid;

			bigint natoms;
			bigint nellipsoids;
			bigint nbonds,nangles,ndihedrals,nimpropers;
			int ntypes,nbondtypes,nangletypes,ndihedraltypes,nimpropertypes;
			int bond_per_atom,angle_per_atom,dihedral_per_atom,improper_per_atom;
			int triclinic;

			double xlo,xhi,ylo,yhi,zlo,zhi,xy,xz,yz;
			double special_lj[4],special_coul[4];

			double cut_lj_global,cut_coul_global,kappa;
			int offset_flag,mix_flag,tail_flag,ncoultablebits;
			double tabinner;

			// force fields

			char pair_style,bond_style,angle_style,dihedral_style,*improper_style;

			double pair_born_A,pair_born_rho,*pair_born_sigma;
			double pair_born_C,pair_born_D;
			double pair_buck_A,pair_buck_rho,*pair_buck_C;
			double pair_colloid_A12,pair_colloid_sigma;
			double pair_colloid_d1,pair_colloid_d2;
			double pair_dipole_epsilon,pair_dipole_sigma;
			double pair_dpd_a0,pair_dpd_gamma;
			double pair_charmm_epsilon,pair_charmm_sigma;
			double pair_charmm_eps14,pair_charmm_sigma14;
			double pair_class2_epsilon,pair_class2_sigma;
			double pair_gb_epsilon,pair_gb_sigma;
			double pair_gb_epsa,pair_gb_epsb,*pair_gb_epsc;
			double pair_lj_epsilon,pair_lj_sigma;
			double pair_gauss_hgauss,pair_gauss_rmh,*pair_gauss_sigmah;
			double pair_cg_epsilon,pair_cg_sigma;
			int pair_cg_cmm_type, pair_setflag;
			double pair_cut_coul, pair_cut_lj;
			double pair_ljexpand_epsilon,pair_ljexpand_sigma,*pair_ljexpand_shift;
			double pair_ljgromacs_epsilon,pair_ljgromacs_sigma;
			double pair_ljsmooth_epsilon,pair_ljsmooth_sigma;
			double pair_morse_d0,pair_morse_alpha,*pair_morse_r0;
			double *pair_soft_A;
			double *pair_yukawa_A;

			double bond_class2_r0,bond_class2_k2,bond_class2_k3,bond_class2_k4;
			double bond_fene_k,bond_fene_r0,bond_fene_epsilon,bond_fene_sigma;
			double bond_feneexpand_k,bond_feneexpand_r0;
			double bond_feneexpand_epsilon,bond_feneexpand_sigma;
			double *bond_feneexpand_shift;
			double bond_harmonic_k,bond_harmonic_r0;
			double bond_harmonicshift_umin,bond_harmonicshift_r0,
			*bond_harmonicshift_rc;
			double bond_harmonicshiftcut_umin,bond_harmonicshiftcut_r0,
			*bond_harmonicshiftcut_rc;
			double bond_morse_d0,bond_morse_alpha,*bond_morse_r0;
			double bond_nonlinear_epsilon,bond_nonlinear_r0,*bond_nonlinear_lamda;
			double bond_quartic_k,bond_quartic_b1,*bond_quartic_b2;
			double bond_quartic_rc,bond_quartic_u0;

			double angle_charmm_k,angle_charmm_theta0;
			double angle_charmm_k_ub,angle_charmm_r_ub;
			double *angle_class2_theta0;
			double angle_class2_k2,angle_class2_k3,*angle_class2_k4;
			double angle_class2_bb_k,angle_class2_bb_r1,*angle_class2_bb_r2;
			double angle_class2_ba_k1,angle_class2_ba_k2;
			double angle_class2_ba_r1,angle_class2_ba_r2;
			double *angle_cosine_k;
			double angle_cosine_squared_k,angle_cosine_squared_theta0;
			double angle_harmonic_k,angle_harmonic_theta0;
			double angle_cg_cmm_epsilon,angle_cg_cmm_sigma;
			double angle_cosineshift_umin,angle_cosineshift_sint,
			angle_cosineshift_cost,angle_cosineshift_theta0;
			double angle_cosineshiftexp_umin,angle_cosineshiftexp_a,
			angle_cosineshiftexp_sint,angle_cosineshiftexp_cost,
			*angle_cosineshiftexp_theta0;
			int *angle_cg_cmm_type;

			double dihedral_charmm_k,dihedral_charmm_weight;
			int dihedral_charmm_multiplicity,dihedral_charmm_sign;
			double dihedral_class2_k1,dihedral_class2_k2,*dihedral_class2_k3;
			double dihedral_class2_phi1,dihedral_class2_phi2,*dihedral_class2_phi3;
			double dihedral_class2_mbt_f1,dihedral_class2_mbt_f2;
			double dihedral_class2_mbt_f3,dihedral_class2_mbt_r0;
			double dihedral_class2_ebt_f1_1,dihedral_class2_ebt_f2_1;
			double dihedral_class2_ebt_f3_1,dihedral_class2_ebt_r0_1;
			double dihedral_class2_ebt_f1_2,dihedral_class2_ebt_f2_2;
			double dihedral_class2_ebt_f3_2,dihedral_class2_ebt_r0_2;
			double dihedral_class2_at_f1_1,dihedral_class2_at_f2_1;
			double dihedral_class2_at_f3_1,dihedral_class2_at_theta0_1;
			double dihedral_class2_at_f1_2,dihedral_class2_at_f2_2;
			double dihedral_class2_at_f3_2,dihedral_class2_at_theta0_2;
			double *dihedral_class2_aat_k;
			double dihedral_class2_aat_theta0_1,dihedral_class2_aat_theta0_2;
			double *dihedral_class2_bb13_k;
			double dihedral_class2_bb13_r10,dihedral_class2_bb13_r30;
			double *dihedral_harmonic_k;
			int dihedral_harmonic_multiplicity,dihedral_harmonic_sign;
			double dihedral_helix_aphi,dihedral_helix_bphi,*dihedral_helix_cphi;
			double dihedral_multi_a1,dihedral_multi_a2,*dihedral_multi_a3;
			double dihedral_multi_a4,dihedral_multi_a5;
			double dihedral_opls_k1,dihedral_opls_k2;
			double dihedral_opls_k3,dihedral_opls_k4;
			double dihedral_cosineshiftexp_umin, dihedral_cosineshiftexp_a,
			dihedral_cosineshiftexp_sint,dihedral_cosineshiftexp_cost,
			*dihedral_cosineshiftexp_theta;

			double improper_class2_k0,improper_class2_chi0;
			double improper_class2_aa_k1,improper_class2_aa_k2,*improper_class2_aa_k3;
			double improper_class2_aa_theta0_1,improper_class2_aa_theta0_2;
			double *improper_class2_aa_theta0_3;
			double *improper_cvff_k;
			int improper_cvff_sign,improper_cvff_multiplicity;
			double improper_harmonic_k,improper_harmonic_chi;

			// atom quantities

			bigint iatoms,ibonds,iangles,idihedrals,iimpropers;

			double *mass;
			double x,y,z,vx,vy,vz;
			double omegax,omegay,*omegaz;
			tagint *tag;
			int type,mask,*image;
			int *molecule;
			double q,mux,muy,muz,mul,radius,density,vfrac,*rmass;
			double s0,x0x,x0y,x0z;
			double shapex,shapey,*shapez;
			double quatw,quati,quatj,quatk,angmomx,angmomy,*angmomz;
			int *ellipsoid;
			int bond_type,angle_type,dihedral_type,improper_type;
			int bond_atom1,bond_atom2;
			int angle_atom1,angle_atom2,*angle_atom3;
			int dihedral_atom1,dihedral_atom2,dihedral_atom3,dihedral_atom4;
			int improper_atom1,improper_atom2,improper_atom3,improper_atom4;

			// functions

			Data();
			void stats();
			void write(FILE , FILE , int, int);

			void write_atom_angle(FILE *, int, int, int, int);
			void write_atom_atomic(FILE *, int, int, int, int);
			void write_atom_bond(FILE *, int, int, int, int);
			void write_atom_charge(FILE *, int, int, int, int);
			void write_atom_dipole(FILE *, int, int, int, int);
			void write_atom_ellipsoid(FILE *, int, int, int, int);
			void write_atom_full(FILE *, int, int, int, int);
			void write_atom_line(FILE *, int, int, int, int);
			void write_atom_meso(FILE *, int, int, int, int);
			void write_atom_molecular(FILE *, int, int, int, int);
			void write_atom_peri(FILE *, int, int, int, int);
			void write_atom_sphere(FILE *, int, int, int, int);
			void write_atom_tri(FILE *, int, int, int, int);
			void write_atom_wavepacket(FILE *, int, int, int, int);

			void write_atom_angle_extra(FILE *, int);
			void write_atom_atomic_extra(FILE *, int);
			void write_atom_bond_extra(FILE *, int);
			void write_atom_charge_extra(FILE *, int);
			void write_atom_dipole_extra(FILE *, int);
			void write_atom_ellipsoid_extra(FILE *, int);
			void write_atom_full_extra(FILE *, int);
			void write_atom_line_extra(FILE *, int);
			void write_atom_meso_extra(FILE *, int);
			void write_atom_molecular_extra(FILE *, int);
			void write_atom_peri_extra(FILE *, int);
			void write_atom_sphere_extra(FILE *, int);
			void write_atom_tri_extra(FILE *, int);
			void write_atom_wavepacket_extra(FILE *, int);

			void write_vel_angle(FILE *, int);
			void write_vel_atomic(FILE *, int);
			void write_vel_bond(FILE *, int);
			void write_vel_charge(FILE *, int);
			void write_vel_dipole(FILE *, int);
			void write_vel_ellipsoid(FILE *, int);
			void write_vel_full(FILE *, int);
			void write_vel_line(FILE *, int);
			void write_vel_meso(FILE *, int);
			void write_vel_molecular(FILE *, int);
			void write_vel_peri(FILE *, int);
			void write_vel_sphere(FILE *, int);
			void write_vel_tri(FILE *, int);
			void write_vel_wavepacket(FILE *, int);

			void write_vel_angle_extra(FILE *, int);
			void write_vel_atomic_extra(FILE *, int);
			void write_vel_bond_extra(FILE *, int);
			void write_vel_charge_extra(FILE *, int);
			void write_vel_dipole_extra(FILE *, int);
			void write_vel_ellipsoid_extra(FILE *, int);
			void write_vel_full_extra(FILE *, int);
			void write_vel_line_extra(FILE *, int);
			void write_vel_meso_extra(FILE *, int);
			void write_vel_molecular_extra(FILE *, int);
			void write_vel_peri_extra(FILE *, int);
			void write_vel_sphere_extra(FILE *, int);
			void write_vel_tri_extra(FILE *, int);
			void write_vel_wavepacket_extra(FILE *, int);
			};

			// ---------------------------------------------------------------------
			// function prototypes
			// ---------------------------------------------------------------------

			void header(FILE *, Data &);
			void set_style(char *, Data &, int);
			void groups(FILE *);
			void type_arrays(FILE *, Data &);
			void force_fields(FILE *, Data &);
			void modify(FILE *);
			void pair(FILE fp, Data &data, char style, int flag);
			void bond(FILE *fp, Data &data);
			void angle(FILE *fp, Data &data);
			void dihedral(FILE *fp, Data &data);
			void improper(FILE *fp, Data &data);
			int atom(double *, Data &data);

			void allocate_angle(Data &data);
			void allocate_atomic(Data &data);
			void allocate_bond(Data &data);
			void allocate_charge(Data &data);
			void allocate_dipole(Data &data);
			void allocate_ellipsoid(Data &data);
			void allocate_full(Data &data);
			void allocate_line(Data &data);
			void allocate_meso(Data &data);
			void allocate_molecular(Data &data);
			void allocate_peri(Data &data);
			void allocate_sphere(Data &data);
			void allocate_tri(Data &data);
			void allocate_wavepacket(Data &data);

			int atom_angle(double *, Data &, int);
			int atom_atomic(double *, Data &, int);
			int atom_bond(double *, Data &, int);
			int atom_charge(double *, Data &, int);
			int atom_dipole(double *, Data &, int);
			int atom_ellipsoid(double *, Data &, int);
			int atom_full(double *, Data &, int);
			int atom_line(double *, Data &, int);
			int atom_meso(double *, Data &, int);
			int atom_molecular(double *, Data &, int);
			int atom_peri(double *, Data &, int);
			int atom_sphere(double *, Data &, int);
			int atom_tri(double *, Data &, int);
			int atom_wavepacket(double *, Data &, int);

			void strip_suffix(char *);

			void nread_int(int buf, int n, FILE fp);
			void nread_double(double buf, int n, FILE fp);
			int read_int(FILE *fp);
			double read_double(FILE *fp);
			char read_char(FILE fp);
			bigint read_bigint(FILE *fp);

			int autodetect(FILE *, char );

			static void helpmsg(int exitval)
			{
			printf("Syntax: restart2data (switch1 switch2 ...) "
			"restart-file data-file (input-file)\n");
			printf(" 'restart-file' and 'data-file' are mandatory\n");
			printf(" 'input-file' is optional\n");
			printf(" If specified, it will contain LAMMPS input script\n");
			printf(" commands for mass and force field info.\n");
			printf(" Only a few force field styles support this option.\n");
			printf(" Switches are optional. Supported switches:\n");
			printf(" -h print this message\n");
			printf(" -nc don't write out coefficients\n");
			printf(" -nv don't write out velocities\n");
			exit(exitval);
			}

			// ---------------------------------------------------------------------
			// main program
			// ---------------------------------------------------------------------

			int main (int narg, char **arg)
			{
			// process command-line args

			if (narg < 2) helpmsg(1);

			int iarg,write_coeffs,write_vels;
			char restartfile, datafile, *inputfile;
			write_coeffs = write_vels = 1;
			restartfile = datafile = inputfile = NULL;

			for (iarg = 1; iarg < narg; ++iarg) {
			if (strcmp(arg[iarg],"-h") == 0) {
			helpmsg(0);
			} else if (strcmp(arg[iarg],"-nc") == 0) {
			write_coeffs = 0;
			} else if (strcmp(arg[iarg],"-nv") == 0) {
			write_vels = 0;
			} else if (!restartfile) {
			restartfile = arg[iarg];
			} else if (!datafile) {
			datafile = arg[iarg];
			} else if (!inputfile) {
			inputfile = arg[iarg];
			}
			}

			if (!restartfile \|\| !datafile) helpmsg(2);

			// if restart file contains '%', file = filename with % replaced by "base"
			// else file = single file
			// open single restart file or base file for multiproc case
			// auto-detect whether byte swapping needs to be done as file is read

			printf("Reading restart file ...\n");

			char *ptr;
			FILE *fp;

			int multiproc = 0;
			if ( (ptr = strchr(restartfile,'%')) ) {
			multiproc = 1;
			char *basefile = new char[strlen(restartfile) + 16];
			*ptr = '\0';
			sprintf(basefile,"%s%s%s",restartfile,"base",ptr+1);
			fp = fopen(basefile,"rb");
			if (fp == NULL) {
			printf("ERROR: Cannot open restart file %s\n",basefile);
			return 1;
			}
			swapflag = autodetect(&fp,basefile);
			} else {
			fp = fopen(restartfile,"rb");
			if (fp == NULL) {
			printf("ERROR: Cannot open restart file %s\n",restartfile);
			return 1;
			}
			swapflag = autodetect(&fp,restartfile);
			}

			// read beginning of restart file

			Data data;

			header(fp,data);
			if (data.size_smallint != sizeof(int) \|\|
			data.size_tagint != sizeof(tagint) \|\|
			data.size_bigint != sizeof(bigint)) {
			printf("ERROR: Data type sizes in restart file "
			"are incompatible with restart2data.cpp\n");
			return 1;
			}

			groups(fp);
			type_arrays(fp,data);
			force_fields(fp,data);
			modify(fp);

			// read atoms from single or multiple restart files

			double *buf = NULL;
			int n,m;
			int maxbuf = 0;
			data.iatoms = data.ibonds = data.iangles =
			data.idihedrals = data.iimpropers = 0;

			for (int iproc = 0; iproc < data.nprocs; iproc++) {
			if (multiproc) {
			fclose(fp);
			char *procfile;
			sprintf(procfile,"%s%d%s",restartfile,iproc,ptr+1);
			fp = fopen(procfile,"rb");
			if (fp == NULL) {
			printf("ERROR: Cannot open restart file %s\n",procfile);
			return 1;
			}
			}
			n = read_int(fp);

			if (n > maxbuf) {
			maxbuf = n;
			delete [] buf;
			buf = new double[maxbuf];
			}

			nread_double(buf,n,fp);

			m = 0;
			while (m < n) m += atom(&buf[m],data);
			}

			fclose(fp);

			// print out stats

			data.stats();

			// write out data file and no input file

			if (!inputfile) {
			printf("Writing data file ...\n");
			fp = fopen(datafile,"w");
			if (fp == NULL) {
			printf("ERROR: Cannot open data file %s\n",datafile);
			return 1;
			}
			data.write(fp,NULL,write_coeffs,write_vels);
			fclose(fp);

			// write out data file and input file

			} else {
			printf("Writing data file ...\n");
			fp = fopen(datafile,"w");
			if (fp == NULL) {
			printf("ERROR: Cannot open data file %s\n",datafile);
			return 1;
			}
			printf("Writing input file ...\n");
			FILE *fp2 = fopen(inputfile,"w");
			if (fp2 == NULL) {
			printf("ERROR: Cannot open input file %s\n",inputfile);
			return 1;
			}

			data.write(fp,fp2,write_coeffs,write_vels);
			fclose(fp);
			fclose(fp2);
			}

			return 0;
			}

			// ---------------------------------------------------------------------
			// read header of restart file
			// ---------------------------------------------------------------------

			void header(FILE *fp, Data &data)
			{
			const char *version = "23 July 2013";

			data.triclinic = 0;

			int flag;
			flag = read_int(fp);

			while (flag >= 0) {

			if (flag == VERSION) {
			data.version = read_char(fp);
			if (strcmp(version,data.version) != 0) {
			const char *str =
			"Restart file version does not match restart2data version";
			printf("WARNING %s\n",str);
			printf(" restart2data version = %s\n",version);
			}
			}
			else if (flag == SMALLINT) data.size_smallint = read_int(fp);
			else if (flag == TAGINT) data.size_tagint = read_int(fp);
			else if (flag == BIGINT) data.size_bigint = read_int(fp);
			else if (flag == UNITS) data.unit_style = read_char(fp);
			else if (flag == NTIMESTEP) data.ntimestep = read_bigint(fp);
			else if (flag == DIMENSION) data.dimension = read_int(fp);
			else if (flag == NPROCS) data.nprocs = read_int(fp);
			else if (flag == PROCGRID_0) data.px = read_int(fp);
			else if (flag == PROCGRID_1) data.py = read_int(fp);
			else if (flag == PROCGRID_2) data.pz = read_int(fp);
			else if (flag == NEWTON_PAIR) data.newton_pair = read_int(fp);
			else if (flag == NEWTON_BOND) data.newton_bond = read_int(fp);
			else if (flag == XPERIODIC) data.xperiodic = read_int(fp);
			else if (flag == YPERIODIC) data.yperiodic = read_int(fp);
			else if (flag == ZPERIODIC) data.zperiodic = read_int(fp);
			else if (flag == BOUNDARY_00) data.boundary[0][0] = read_int(fp);
			else if (flag == BOUNDARY_01) data.boundary[0][1] = read_int(fp);
			else if (flag == BOUNDARY_10) data.boundary[1][0] = read_int(fp);
			else if (flag == BOUNDARY_11) data.boundary[1][1] = read_int(fp);
			else if (flag == BOUNDARY_20) data.boundary[2][0] = read_int(fp);
			else if (flag == BOUNDARY_21) data.boundary[2][1] = read_int(fp);

			// if atom_style = hybrid:
			// set data_style_hybrid to # of sub-styles
			// read additional sub-class arguments
			// set sub-styles to 1 to N

			else if (flag == ATOM_STYLE) {
			data.style_angle = data.style_atomic = data.style_bond =
			data.style_charge = data.style_dipole = data.style_ellipsoid =
			data.style_full = data.style_line = data.style_meso =
			data.style_molecular = data.style_peri = data.style_sphere =
			data.style_tri = data.style_wavepacket = data.style_hybrid = 0;

			data.atom_style = read_char(fp);
			strip_suffix(data.atom_style);
			set_style(data.atom_style,data,1);

			if (strcmp(data.atom_style,"hybrid") == 0) {
			int nwords = read_int(fp);
			set_style(data.atom_style,data,nwords);
			char *substyle;
			for (int i = 1; i <= nwords; i++) {
			substyle = read_char(fp);
			strip_suffix(substyle);
			set_style(substyle,data,i);
			}
			}
			}

			else if (flag == NATOMS) data.natoms = read_bigint(fp);
			else if (flag == NTYPES) data.ntypes = read_int(fp);
			else if (flag == NBONDS) data.nbonds = read_bigint(fp);
			else if (flag == NBONDTYPES) data.nbondtypes = read_int(fp);
			else if (flag == BOND_PER_ATOM) data.bond_per_atom = read_int(fp);
			else if (flag == NANGLES) data.nangles = read_bigint(fp);
			else if (flag == NANGLETYPES) data.nangletypes = read_int(fp);
			else if (flag == ANGLE_PER_ATOM) data.angle_per_atom = read_int(fp);
			else if (flag == NDIHEDRALS) data.ndihedrals = read_bigint(fp);
			else if (flag == NDIHEDRALTYPES) data.ndihedraltypes = read_int(fp);
			else if (flag == DIHEDRAL_PER_ATOM) data.dihedral_per_atom = read_int(fp);
			else if (flag == NIMPROPERS) data.nimpropers = read_bigint(fp);
			else if (flag == NIMPROPERTYPES) data.nimpropertypes = read_int(fp);
			else if (flag == IMPROPER_PER_ATOM) data.improper_per_atom = read_int(fp);
			else if (flag == BOXLO_0) data.xlo = read_double(fp);
			else if (flag == BOXHI_0) data.xhi = read_double(fp);
			else if (flag == BOXLO_1) data.ylo = read_double(fp);
			else if (flag == BOXHI_1) data.yhi = read_double(fp);
			else if (flag == BOXLO_2) data.zlo = read_double(fp);
			else if (flag == BOXHI_2) data.zhi = read_double(fp);
			else if (flag == SPECIAL_LJ_1) data.special_lj[1] = read_double(fp);
			else if (flag == SPECIAL_LJ_2) data.special_lj[2] = read_double(fp);
			else if (flag == SPECIAL_LJ_3) data.special_lj[3] = read_double(fp);
			else if (flag == SPECIAL_COUL_1) data.special_coul[1] = read_double(fp);
			else if (flag == SPECIAL_COUL_2) data.special_coul[2] = read_double(fp);
			else if (flag == SPECIAL_COUL_3) data.special_coul[3] = read_double(fp);
			else if (flag == XY) {
			data.triclinic = 1;
			data.xy = read_double(fp);
			} else if (flag == XZ) {
			data.triclinic = 1;
			data.xz = read_double(fp);
			} else if (flag == YZ) {
			data.triclinic = 1;
			data.yz = read_double(fp);
			} else {
			printf("ERROR: Invalid flag in header section of restart file %d\n",
			flag);
			exit(1);
			}

			flag = read_int(fp);
			}
			}

			// ---------------------------------------------------------------------
			// set atom style to flag
			// ---------------------------------------------------------------------

			void set_style(char *name, Data &data, int flag)
			{
			if (strcmp(name,"angle") == 0) data.style_angle = flag;
			else if (strcmp(name,"atomic") == 0) data.style_atomic = flag;
			else if (strcmp(name,"bond") == 0) data.style_bond = flag;
			else if (strcmp(name,"charge") == 0) data.style_charge = flag;
			else if (strcmp(name,"dipole") == 0) data.style_dipole = flag;
			else if (strcmp(name,"ellipsoid") == 0) data.style_ellipsoid = flag;
			else if (strcmp(name,"full") == 0) data.style_full = flag;
			else if (strcmp(name,"line") == 0) data.style_line = flag;
			else if (strcmp(name,"meso") == 0) data.style_meso = flag;
			else if (strcmp(name,"molecular") == 0) data.style_molecular = flag;
			else if (strcmp(name,"peri") == 0) data.style_peri = flag;
			else if (strcmp(name,"sphere") == 0) data.style_sphere = flag;
			else if (strcmp(name,"tri") == 0) data.style_tri = flag;
			else if (strcmp(name,"wavepacket") == 0) data.style_wavepacket = flag;
			else if (strcmp(name,"hybrid") == 0) data.style_hybrid = flag;
			else {
			printf("ERROR: Unknown atom style %s\n",name);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// read group info from restart file, just ignore it
			// ---------------------------------------------------------------------

			void groups(FILE *fp)
			{
			int ngroup = read_int(fp);

			char *name;

			// use count to not change restart format with deleted groups
			// remove this on next major release

			int count = 0;
			for (int i = 0; i < MAX_GROUP; i++) {
			name = read_char(fp);
			if (name) {
			delete [] name;
			count++;
			}
			if (count == ngroup) break;
			}
			}

			// ---------------------------------------------------------------------
			// read type arrays from restart file
			// ---------------------------------------------------------------------

			void type_arrays(FILE *fp, Data &data)
			{
			data.mass = NULL;

			int flag;
			flag = read_int(fp);

			while (flag >= 0) {

			if (flag == MASS) {
			data.mass = new double[data.ntypes+1];
			nread_double(&data.mass[1],data.ntypes,fp);
			} else {
			printf("ERROR: Invalid flag in type arrays section of restart file %d\n",
			flag);
			exit(1);
			}

			flag = read_int(fp);
			}
			}

			// ---------------------------------------------------------------------
			// read force-field info from restart file
			// ---------------------------------------------------------------------

			void force_fields(FILE *fp, Data &data)
			{
			data.pair_style = data.bond_style = data.angle_style =
			data.dihedral_style = data.improper_style = NULL;

			int flag;
			flag = read_int(fp);

			while (flag >= 0) {

			if (flag == PAIR) {
			data.pair_style = read_char(fp);
			strip_suffix(data.pair_style);
			pair(fp,data,data.pair_style,1);
			} else if (flag == BOND) {
			data.bond_style = read_char(fp);
			strip_suffix(data.bond_style);
			bond(fp,data);
			} else if (flag == ANGLE) {
			data.angle_style = read_char(fp);
			strip_suffix(data.angle_style);
			angle(fp,data);
			} else if (flag == DIHEDRAL) {
			data.dihedral_style = read_char(fp);
			strip_suffix(data.dihedral_style);
			dihedral(fp,data);
			} else if (flag == IMPROPER) {
			data.improper_style = read_char(fp);
			strip_suffix(data.improper_style);
			improper(fp,data);
			} else {
			printf("ERROR: Invalid flag in force fields section of restart file %d\n",
			flag);
			exit(1);
			}

			flag = read_int(fp);
			}
			}

			// ---------------------------------------------------------------------
			// read fix info from restart file, just ignore it
			// ---------------------------------------------------------------------

			void modify(FILE *fp)
			{
			char *buf;
			int n;

			// nfix = # of fix entries with state

			int nfix = read_int(fp);

			// read each entry with id string, style string, chunk of data

			for (int i = 0; i < nfix; i++) {
			buf = read_char(fp); delete [] buf;
			buf = read_char(fp); delete [] buf;
			buf = read_char(fp); delete [] buf;
			}

			// nfix = # of fix entries with peratom info

			int nfix_peratom = read_int(fp);

			// read each entry with id string, style string, maxsize of one atom data

			for (int i = 0; i < nfix_peratom; i++) {
			buf = read_char(fp); delete [] buf;
			buf = read_char(fp); delete [] buf;
			n = read_int(fp);
			}
			}

			// ---------------------------------------------------------------------
			// read atom info from restart file and store in data struct
			// ---------------------------------------------------------------------

			int atom(double *buf, Data &data)
			{
			// allocate per-atom arrays

			if (data.iatoms == 0) {

			// common to all atom styles

			data.x = new double[data.natoms];
			data.y = new double[data.natoms];
			data.z = new double[data.natoms];
			data.tag = new int[data.natoms];
			data.type = new int[data.natoms];
			data.mask = new int[data.natoms];
			data.image = new int[data.natoms];
			data.vx = new double[data.natoms];
			data.vy = new double[data.natoms];
			data.vz = new double[data.natoms];

			// style-specific arrays
			// don't worry about re-allocating if style = hybrid

			if (data.style_angle) allocate_angle(data);
			if (data.style_atomic) allocate_atomic(data);
			if (data.style_bond) allocate_bond(data);
			if (data.style_charge) allocate_charge(data);
			if (data.style_dipole) allocate_dipole(data);
			if (data.style_ellipsoid) allocate_ellipsoid(data);
			if (data.style_full) allocate_full(data);
			if (data.style_line) allocate_line(data);
			if (data.style_meso) allocate_meso(data);
			if (data.style_molecular) allocate_molecular(data);
			if (data.style_peri) allocate_peri(data);
			if (data.style_sphere) allocate_sphere(data);
			if (data.style_tri) allocate_tri(data);
			if (data.style_wavepacket) allocate_wavepacket(data);
			}

			// read atom quantities from buf
			// if hybrid, loop over all sub-styles in order listed
			// if hybrid, loop index k will match style setting to insure correct order

			int nloop = 1;
			if (data.style_hybrid) nloop = data.style_hybrid;

			int iatoms = data.iatoms;
			int m = 0;
			for (int k = 1; k <= nloop; k++) {
			if (k == data.style_angle) m += atom_angle(&buf[m],data,iatoms);
			if (k == data.style_atomic) m += atom_atomic(&buf[m],data,iatoms);
			if (k == data.style_bond) m += atom_bond(&buf[m],data,iatoms);
			if (k == data.style_charge) m += atom_charge(&buf[m],data,iatoms);
			if (k == data.style_dipole) m += atom_dipole(&buf[m],data,iatoms);
			if (k == data.style_ellipsoid) m += atom_ellipsoid(&buf[m],data,iatoms);
			if (k == data.style_full) m += atom_full(&buf[m],data,iatoms);
			if (k == data.style_line) m += atom_line(&buf[m],data,iatoms);
			if (k == data.style_meso) m += atom_meso(&buf[m],data,iatoms);
			if (k == data.style_molecular) m += atom_molecular(&buf[m],data,iatoms);
			if (k == data.style_peri) m += atom_peri(&buf[m],data,iatoms);
			if (k == data.style_sphere) m += atom_sphere(&buf[m],data,iatoms);
			if (k == data.style_tri) m += atom_tri(&buf[m],data,iatoms);
			if (k == data.style_wavepacket) m += atom_wavepacket(&buf[m],data,iatoms);
			}

			data.iatoms++;
			m = static_cast<int> (buf[0]);
			return m;
			}

			// ---------------------------------------------------------------------
			// read one atom's info from buffer
			// one routine per atom style
			// skip broken bonds, angles, etc
			// ---------------------------------------------------------------------

			int atom_angle(double *buf, Data &data, int iatoms)
			{
			int type,atom1,atom2,atom3;

			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.molecule[iatoms] = static_cast<int> (buf[m++]);

			int n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] < atom1))) {
			data.bond_type[data.ibonds] = type;
			data.bond_atom1[data.ibonds] = data.tag[iatoms];
			data.bond_atom2[data.ibonds] = atom1;
			data.ibonds++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.angle_type[data.iangles] = type;
			data.angle_atom1[data.iangles] = atom1;
			data.angle_atom2[data.iangles] = atom2;
			data.angle_atom3[data.iangles] = atom3;
			data.iangles++;
			}
			}

			return m;
			}

			int atom_atomic(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			return m;
			}

			int atom_bond(double *buf, Data &data, int iatoms)
			{
			int type,atom1;

			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.molecule[iatoms] = static_cast<int> (buf[m++]);

			int n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] < atom1))) {
			data.bond_type[data.ibonds] = type;
			data.bond_atom1[data.ibonds] = data.tag[iatoms];
			data.bond_atom2[data.ibonds] = atom1;
			data.ibonds++;
			}
			}

			return m;
			}

			int atom_charge(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.q[iatoms] = buf[m++];

			return m;
			}

			int atom_dipole(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.q[iatoms] = buf[m++];
			data.mux[iatoms] = buf[m++];
			data.muy[iatoms] = buf[m++];
			data.muz[iatoms] = buf[m++];
			data.mul[iatoms] = buf[m++];
			return m;
			}

			int atom_ellipsoid(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.rmass[iatoms] = buf[m++];
			data.angmomx[iatoms] = buf[m++];
			data.angmomy[iatoms] = buf[m++];
			data.angmomz[iatoms] = buf[m++];
			data.ellipsoid[iatoms] = static_cast<int> (buf[m++]);

			if (data.ellipsoid[iatoms]) {
			data.nellipsoids++;
			data.shapex[iatoms] = buf[m++];
			data.shapey[iatoms] = buf[m++];
			data.shapez[iatoms] = buf[m++];
			data.quatw[iatoms] = buf[m++];
			data.quati[iatoms] = buf[m++];
			data.quatj[iatoms] = buf[m++];
			data.quatk[iatoms] = buf[m++];
			data.density[iatoms] = data.rmass[iatoms] /
			(4.0PI/3.0
			data.shapex[iatoms]data.shapey[iatoms]data.shapez[iatoms]);
			} else data.density[iatoms] = data.rmass[iatoms];

			return m;
			}

			int atom_full(double *buf, Data &data, int iatoms)
			{
			int type,atom1,atom2,atom3,atom4;

			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.q[iatoms] = buf[m++];
			data.molecule[iatoms] = static_cast<int> (buf[m++]);

			int n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] < atom1))) {
			data.bond_type[data.ibonds] = type;
			data.bond_atom1[data.ibonds] = data.tag[iatoms];
			data.bond_atom2[data.ibonds] = atom1;
			data.ibonds++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.angle_type[data.iangles] = type;
			data.angle_atom1[data.iangles] = atom1;
			data.angle_atom2[data.iangles] = atom2;
			data.angle_atom3[data.iangles] = atom3;
			data.iangles++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			atom4 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.dihedral_type[data.idihedrals] = type;
			data.dihedral_atom1[data.idihedrals] = atom1;
			data.dihedral_atom2[data.idihedrals] = atom2;
			data.dihedral_atom3[data.idihedrals] = atom3;
			data.dihedral_atom4[data.idihedrals] = atom4;
			data.idihedrals++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			atom4 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.improper_type[data.iimpropers] = type;
			data.improper_atom1[data.iimpropers] = atom1;
			data.improper_atom2[data.iimpropers] = atom2;
			data.improper_atom3[data.iimpropers] = atom3;
			data.improper_atom4[data.iimpropers] = atom4;
			data.iimpropers++;
			}
			}

			return m;
			}

			int atom_line(double *buf, Data &data, int iatoms)
			{
			fprintf(stderr,"Support for atom style line is not fully implemented\n");
			exit(1);
			}

			int atom_meso(double *buf, Data &data, int iatoms)
			{
			fprintf(stderr,"Support for atom style meso is not fully implemented\n");
			exit(1);
			}

			int atom_molecular(double *buf, Data &data, int iatoms)
			{
			int type,atom1,atom2,atom3,atom4;

			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.molecule[iatoms] = static_cast<int> (buf[m++]);

			int n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] < atom1))) {
			data.bond_type[data.ibonds] = type;
			data.bond_atom1[data.ibonds] = data.tag[iatoms];
			data.bond_atom2[data.ibonds] = atom1;
			data.ibonds++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.angle_type[data.iangles] = type;
			data.angle_atom1[data.iangles] = atom1;
			data.angle_atom2[data.iangles] = atom2;
			data.angle_atom3[data.iangles] = atom3;
			data.iangles++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			atom4 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.dihedral_type[data.idihedrals] = type;
			data.dihedral_atom1[data.idihedrals] = atom1;
			data.dihedral_atom2[data.idihedrals] = atom2;
			data.dihedral_atom3[data.idihedrals] = atom3;
			data.dihedral_atom4[data.idihedrals] = atom4;
			data.idihedrals++;
			}
			}

			n = static_cast<int> (buf[m++]);
			for (int k = 0; k < n; k++) {
			type = static_cast<int> (buf[m++]);
			atom1 = static_cast<int> (buf[m++]);
			atom2 = static_cast<int> (buf[m++]);
			atom3 = static_cast<int> (buf[m++]);
			atom4 = static_cast<int> (buf[m++]);
			if ((type != 0) && (data.newton_bond \|\| (data.tag[iatoms] == atom2))) {
			data.improper_type[data.iimpropers] = type;
			data.improper_atom1[data.iimpropers] = atom1;
			data.improper_atom2[data.iimpropers] = atom2;
			data.improper_atom3[data.iimpropers] = atom3;
			data.improper_atom4[data.iimpropers] = atom4;
			data.iimpropers++;
			}
			}

			return m;
			}

			int atom_peri(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.vfrac[iatoms] = buf[m++];
			data.rmass[iatoms] = buf[m++];
			data.s0[iatoms] = buf[m++];
			data.x0x[iatoms] = buf[m++];
			data.x0y[iatoms] = buf[m++];
			data.x0z[iatoms] = buf[m++];

			return m;
			}

			int atom_sphere(double *buf, Data &data, int iatoms)
			{
			int m = 1;
			data.x[iatoms] = buf[m++];
			data.y[iatoms] = buf[m++];
			data.z[iatoms] = buf[m++];
			data.tag[iatoms] = static_cast<int> (buf[m++]);
			data.type[iatoms] = static_cast<int> (buf[m++]);
			data.mask[iatoms] = static_cast<int> (buf[m++]);
			data.image[iatoms] = ((tagint ) &buf[m++]);
			data.vx[iatoms] = buf[m++];
			data.vy[iatoms] = buf[m++];
			data.vz[iatoms] = buf[m++];

			data.radius[iatoms] = buf[m++];
			data.rmass[iatoms] = buf[m++];
			if (data.radius[iatoms] == 0.0) data.density[iatoms] = data.rmass[iatoms];
			else
			data.density[iatoms] = data.rmass[iatoms] /
			(4.0PI/3.0
			data.radius[iatoms]data.radius[iatoms]data.radius[iatoms]);
			data.omegax[iatoms] = buf[m++];
			data.omegay[iatoms] = buf[m++];
			data.omegaz[iatoms] = buf[m++];

			return m;
			}

			int atom_tri(double *buf, Data &data, int iatoms)
			{
			fprintf(stderr,"Support for atom style tri is not fully implemented\n");
			exit(1);
			}

			int atom_wavepacket(double *buf, Data &data, int iatoms)
			{
			fprintf(stderr,"Support for atom style wavepacket is not "
			"fully implemented\n");
			exit(1);
			}

			// ---------------------------------------------------------------------
			// per-atom memory allocation routines
			// one routine per atom style
			// ---------------------------------------------------------------------

			void allocate_angle(Data &data)
			{
			data.molecule = new int[data.natoms];
			data.bond_type = new int[data.nbonds];
			data.bond_atom1 = new int[data.nbonds];
			data.bond_atom2 = new int[data.nbonds];
			data.angle_type = new int[data.nangles];
			data.angle_atom1 = new int[data.nangles];
			data.angle_atom2 = new int[data.nangles];
			data.angle_atom3 = new int[data.nangles];
			}

			void allocate_atomic(Data &data) {}

			void allocate_bond(Data &data)
			{
			data.molecule = new int[data.natoms];
			data.bond_type = new int[data.nbonds];
			data.bond_atom1 = new int[data.nbonds];
			data.bond_atom2 = new int[data.nbonds];
			}

			void allocate_charge(Data &data)
			{
			data.q = new double[data.natoms];
			}

			void allocate_dipole(Data &data)
			{
			data.q = new double[data.natoms];
			data.mux = new double[data.natoms];
			data.muy = new double[data.natoms];
			data.muz = new double[data.natoms];
			data.mul = new double[data.natoms];
			}

			void allocate_full(Data &data)
			{
			data.q = new double[data.natoms];
			data.molecule = new int[data.natoms];
			data.bond_type = new int[data.nbonds];
			data.bond_atom1 = new int[data.nbonds];
			data.bond_atom2 = new int[data.nbonds];
			data.angle_type = new int[data.nangles];
			data.angle_atom1 = new int[data.nangles];
			data.angle_atom2 = new int[data.nangles];
			data.angle_atom3 = new int[data.nangles];
			data.dihedral_type = new int[data.ndihedrals];
			data.dihedral_atom1 = new int[data.ndihedrals];
			data.dihedral_atom2 = new int[data.ndihedrals];
			data.dihedral_atom3 = new int[data.ndihedrals];
			data.dihedral_atom4 = new int[data.ndihedrals];
			data.improper_type = new int[data.nimpropers];
			data.improper_atom1 = new int[data.nimpropers];
			data.improper_atom2 = new int[data.nimpropers];
			data.improper_atom3 = new int[data.nimpropers];
			data.improper_atom4 = new int[data.nimpropers];
			}

			void allocate_ellipsoid(Data &data)
			{
			data.rmass = new double[data.natoms];
			data.density = new double[data.natoms];
			data.angmomx = new double[data.natoms];
			data.angmomy = new double[data.natoms];
			data.angmomz = new double[data.natoms];
			data.ellipsoid = new int[data.natoms];
			data.quatw = new double[data.natoms];
			data.shapex = new double[data.natoms];
			data.shapey = new double[data.natoms];
			data.shapez = new double[data.natoms];
			data.quati = new double[data.natoms];
			data.quatj = new double[data.natoms];
			data.quatk = new double[data.natoms];
			}

			void allocate_sphere(Data &data)
			{
			data.radius = new double[data.natoms];
			data.rmass = new double[data.natoms];
			data.density = new double[data.natoms];
			data.omegax = new double[data.natoms];
			data.omegay = new double[data.natoms];
			data.omegaz = new double[data.natoms];
			}

			void allocate_molecular(Data &data)
			{
			data.molecule = new int[data.natoms];
			data.bond_type = new int[data.nbonds];
			data.bond_atom1 = new int[data.nbonds];
			data.bond_atom2 = new int[data.nbonds];
			data.angle_type = new int[data.nangles];
			data.angle_atom1 = new int[data.nangles];
			data.angle_atom2 = new int[data.nangles];
			data.angle_atom3 = new int[data.nangles];
			data.dihedral_type = new int[data.ndihedrals];
			data.dihedral_atom1 = new int[data.ndihedrals];
			data.dihedral_atom2 = new int[data.ndihedrals];
			data.dihedral_atom3 = new int[data.ndihedrals];
			data.dihedral_atom4 = new int[data.ndihedrals];
			data.improper_type = new int[data.nimpropers];
			data.improper_atom1 = new int[data.nimpropers];
			data.improper_atom2 = new int[data.nimpropers];
			data.improper_atom3 = new int[data.nimpropers];
			data.improper_atom4 = new int[data.nimpropers];
			}

			void allocate_peri(Data &data)
			{
			data.vfrac = new double[data.natoms];
			data.rmass = new double[data.natoms];
			data.s0 = new double[data.natoms];
			data.x0x = new double[data.natoms];
			data.x0y = new double[data.natoms];
			data.x0z = new double[data.natoms];
			}

			void allocate_line(Data &data)
			{
			fprintf(stderr,"support for atom style line is not fully implemented\n");
			exit(1);
			}

			void allocate_meso(Data &data)
			{
			fprintf(stderr,"support for atom style meso is not fully implemented\n");
			exit(1);
			}

			void allocate_tri(Data &data)
			{
			fprintf(stderr,"support for atom style tri is not fully implemented\n");
			exit(1);
			}

			void allocate_wavepacket(Data &data)
			{
			fprintf(stderr,"support for atom style wavepacket is not fully implemented\n");
			exit(1);
			}

			// ---------------------------------------------------------------------
			// pair coeffs
			// one section for each pair style
			// flag = 1, read all coeff info and allocation arrays
			// flag = 0, just read global settings (when called recursively by hybrid)
			// ---------------------------------------------------------------------

			void pair(FILE fp, Data &data, char style, int flag)
			{
			int i,j,m;
			int itmp;
			double rtmp;

			if (strcmp(style,"none") == 0) {

			} else if (strcmp(style,"adp") == 0) {
			} else if (strcmp(style,"airebo") == 0) {

			} else if (strcmp(style,"born/coul/long") == 0) {
			double cut_lj_global = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);

			if (!flag) return;

			data.pair_born_A = new double[data.ntypes+1];
			data.pair_born_rho = new double[data.ntypes+1];
			data.pair_born_sigma = new double[data.ntypes+1];
			data.pair_born_C = new double[data.ntypes+1];
			data.pair_born_D = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_born_A[i] = read_double(fp);
			data.pair_born_rho[i] = read_double(fp);
			data.pair_born_sigma[i] = read_double(fp);
			data.pair_born_C[i] = read_double(fp);
			data.pair_born_D[i] = read_double(fp);
			double cut_lj = read_double(fp);
			} else {
			double born_A = read_double(fp);
			double born_rho = read_double(fp);
			double born_sigma = read_double(fp);
			double born_C = read_double(fp);
			double born_D = read_double(fp);
			double cut_lj = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"brownian") == 0) {
			double mu = read_double(fp);
			int flaglog = read_int(fp);
			int flagfld = read_int(fp);
			double cut_inner_global = read_double(fp);
			double cut_global = read_double(fp);
			double t_target = read_double(fp);
			int seed = read_int(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int flagHI = read_int(fp);
			int flagVF = read_int(fp);

			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			} else {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"buck") == 0) \|\|
			(strcmp(style,"buck/coul/cut") == 0) \|\|
			(strcmp(style,"buck/coul/long") == 0) \|\|
			(strcmp(style,"buck/long/coul/long") == 0)) {

			if (strcmp(style,"buck") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"buck/coul/cut") == 0) {
			m = 1;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"buck/coul/long") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"buck/long/coul/long") == 0) {
			m = 0;
			double cut_buck_global = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			int ewald_order = read_int(fp);
			}

			if (!flag) return;

			data.pair_buck_A = new double[data.ntypes+1];
			data.pair_buck_rho = new double[data.ntypes+1];
			data.pair_buck_C = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_buck_A[i] = read_double(fp);
			data.pair_buck_rho[i] = read_double(fp);
			data.pair_buck_C[i] = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			} else {
			double buck_A = read_double(fp);
			double buck_rho = read_double(fp);
			double buck_C = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"colloid") == 0) {

			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_colloid_A12 = new double[data.ntypes+1];
			data.pair_colloid_sigma = new double[data.ntypes+1];
			data.pair_colloid_d1 = new double[data.ntypes+1];
			data.pair_colloid_d2 = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_colloid_A12[i] = read_double(fp);
			data.pair_colloid_sigma[i] = read_double(fp);
			data.pair_colloid_d1[i] = read_double(fp);
			data.pair_colloid_d2[i] = read_double(fp);
			double cut_lj = read_double(fp);
			} else {
			double colloid_A12 = read_double(fp);
			double colloid_sigma = read_double(fp);
			double colloid_d1 = read_double(fp);
			double colloid_d2 = read_double(fp);
			double cut_lj = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"comb") == 0) {

			} else if (strcmp(style,"coul/diel") == 0) {
			m = 1;
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			double diel_rme = read_double(fp);
			double diel_sigmae = read_double(fp);
			double cut_coul = read_double(fp);
			} else {
			double diel_rme = read_double(fp);
			double diel_sigmae = read_double(fp);
			double cut_coul = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"coul/cut") == 0) \|\|
			(strcmp(style,"coul/debye") == 0)) {

			if (strcmp(style,"coul/cut") == 0) {
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			} else if (strcmp(style,"coul/debye") == 0) {
			m = 1;
			double cut_coul = read_double(fp);
			double kappa = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			}

			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			double cut_coul = read_double(fp);
			} else {
			double cut_coul = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"coul/long") == 0) {

			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);

			if (!flag) return;

			} else if (strcmp(style,"dipole/cut") == 0) {

			double cut_lj_global = read_double(fp);
			double cut_coul_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_dipole_epsilon = new double[data.ntypes+1];
			data.pair_dipole_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_dipole_epsilon[i] = read_double(fp);
			data.pair_dipole_sigma[i] = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			} else {
			double dipole_epsilon = read_double(fp);
			double dipole_sigma = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"dipole/sf") == 0) {

			double cut_lj_global = read_double(fp);
			double cut_coul_global = read_double(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_dipole_epsilon = new double[data.ntypes+1];
			data.pair_dipole_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_dipole_epsilon[i] = read_double(fp);
			data.pair_dipole_sigma[i] = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			} else {
			double dipole_epsilon = read_double(fp);
			double dipole_sigma = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"dpd") == 0) {

			double temperature = read_double(fp);
			double cut_global = read_double(fp);
			int seed = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_dpd_a0 = new double[data.ntypes+1];
			data.pair_dpd_gamma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_dpd_a0[i] = read_double(fp);
			data.pair_dpd_gamma[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double dpd_a0 = read_double(fp);
			double dpd_gamma = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"dpd/tstat") == 0) {

			double tstart = read_double(fp);
			double tstop = read_double(fp);
			double cut_global = read_double(fp);
			int seed = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_dpd_a0 = new double[data.ntypes+1];
			data.pair_dpd_gamma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_dpd_a0[i] = read_double(fp);
			data.pair_dpd_gamma[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double dpd_a0 = read_double(fp);
			double dpd_gamma = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"eam") == 0) {
			} else if (strcmp(style,"eam/alloy") == 0) {
			} else if (strcmp(style,"eam/fs") == 0) {
			} else if (strcmp(style,"eim") == 0) {

			} else if (strcmp(style,"eff/cut") == 0) {

			double cut_coul = read_double(fp);
			int limit_size_flag = read_int(fp);
			int flexible_pressure_flag = read_int(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			double cut = read_double(fp);
			} else {
			double cut = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"gayberne") == 0) {

			double gamma = read_double(fp);
			double upsilon = read_double(fp);
			double mu = read_double(fp);
			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_gb_epsilon = new double[data.ntypes+1];
			data.pair_gb_sigma = new double[data.ntypes+1];
			data.pair_gb_epsa = new double[data.ntypes+1];
			data.pair_gb_epsb = new double[data.ntypes+1];
			data.pair_gb_epsc = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++) {
			itmp = read_int(fp);
			if (itmp) {
			data.pair_gb_epsa[i] = read_double(fp);
			data.pair_gb_epsb[i] = read_double(fp);
			data.pair_gb_epsc[i] = read_double(fp);
			data.pair_gb_epsa[i] = pow(data.pair_gb_epsa[i],-mu);
			data.pair_gb_epsb[i] = pow(data.pair_gb_epsb[i],-mu);
			data.pair_gb_epsc[i] = pow(data.pair_gb_epsc[i],-mu);
			}

			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_gb_epsilon[i] = read_double(fp);
			data.pair_gb_sigma[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double gb_epsilon = read_double(fp);
			double gb_sigma = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}
			}

			} else if (strcmp(style,"gauss") == 0) {

			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_gauss_hgauss = new double[data.ntypes+1];
			data.pair_gauss_rmh = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_gauss_hgauss[i] = read_double(fp);
			data.pair_gauss_rmh[i] = read_double(fp);
			double cut_lj = read_double(fp);
			} else {
			double dipole_hgauss = read_double(fp);
			double dipole_rmh = read_double(fp);
			double cut_lj = read_double(fp);
			}
			}
			}
			} else if (strcmp(style,"gauss/cut") == 0) {

			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_gauss_hgauss = new double[data.ntypes+1];
			data.pair_gauss_rmh = new double[data.ntypes+1];
			data.pair_gauss_sigmah = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_gauss_hgauss[i] = read_double(fp);
			data.pair_gauss_rmh[i] = read_double(fp);
			data.pair_gauss_sigmah[i] = read_double(fp);
			double cut_lj = read_double(fp);
			} else {
			double dipole_hgauss = read_double(fp);
			double dipole_rmh = read_double(fp);
			double dipole_sigmah = read_double(fp);
			double cut_lj = read_double(fp);
			}
			}
			}
			} else if ((strcmp(style,"gran/hooke") == 0) \|\|
			(strcmp(style,"gran/hooke/history") == 0) \|\|
			(strcmp(style,"gran/hertz/history") == 0)) {

			double kn = read_double(fp);
			double kt = read_double(fp);
			double gamman = read_double(fp);
			double gammat = read_double(fp);
			double xmu = read_double(fp);
			int dampflag = read_int(fp);

			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++) {
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			}
			}

			} else if ((strcmp(style,"lj/charmm/coul/charmm") == 0) \|\|
			(strcmp(style,"lj/charmm/coul/charmm/implicit") == 0) \|\|
			(strcmp(style,"lj/charmm/coul/long/proxy") == 0) \|\|
			(strcmp(style,"lj/charmm/coul/long") == 0)) {

			if (strcmp(style,"lj/charmm/coul/charmm") == 0) {
			double cut_lj_inner = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul_inner = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			} else if (strcmp(style,"lj/charmm/coul/charmm/implicit") == 0) {
			double cut_lj_inner = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul_inner = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			} else if (strcmp(style,"lj/charmm/coul/long/proxy") == 0) {
			double cut_lj_inner = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			} else if (strcmp(style,"lj/charmm/coul/long") == 0) {
			double cut_lj_inner = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			}

			if (!flag) return;

			data.pair_charmm_epsilon = new double[data.ntypes+1];
			data.pair_charmm_sigma = new double[data.ntypes+1];
			data.pair_charmm_eps14 = new double[data.ntypes+1];
			data.pair_charmm_sigma14 = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_charmm_epsilon[i] = read_double(fp);
			data.pair_charmm_sigma[i] = read_double(fp);
			data.pair_charmm_eps14[i] = read_double(fp);
			data.pair_charmm_sigma14[i] = read_double(fp);
			} else {
			double charmm_epsilon = read_double(fp);
			double charmm_sigma = read_double(fp);
			double charmm_eps14 = read_double(fp);
			double charmm_sigma14 = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"lj/class2") == 0) \|\|
			(strcmp(style,"lj/class2/coul/cut") == 0) \|\|
			(strcmp(style,"lj/class2/coul/long/proxy") == 0) \|\|
			(strcmp(style,"lj/class2/coul/long") == 0)) {

			if (strcmp(style,"lj/class2") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/class2/coul/cut") == 0) {
			m = 1;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/class2/coul/long/proxy") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/class2/coul/long") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			}

			if (!flag) return;

			data.pair_class2_epsilon = new double[data.ntypes+1];
			data.pair_class2_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_class2_epsilon[i] = read_double(fp);
			data.pair_class2_sigma[i] = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			} else {
			double class2_epsilon = read_double(fp);
			double class2_sigma = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"lj/cut") == 0) \|\|
			(strcmp(style,"lj96/cut") == 0) \|\|
			(strcmp(style,"lj/cut/coul/cut") == 0) \|\|
			(strcmp(style,"lj/cut/coul/debye") == 0) \|\|
			(strcmp(style,"lj/cut/coul/long") == 0) \|\|
			(strcmp(style,"lj/cut/coul/long/proxy") == 0) \|\|
			(strcmp(style,"lj/cut/tip4p/cut") == 0) \|\|
			(strcmp(style,"lj/cut/tip4p/long") == 0) \|\|
			(strcmp(style,"lj/long/coul/long") == 0)) {

			if (strcmp(style,"lj/cut") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj96/cut") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/cut/coul/cut") == 0) {
			m = 1;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/cut/coul/debye") == 0) {
			m = 1;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			double kappa = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/cut/coul/long") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			} else if (strcmp(style,"lj/cut/coul/long/proxy") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			} else if (strcmp(style,"lj/cut/tip4p/cut") == 0) {
			m = 0;
			int typeO = read_int(fp);
			int typeH = read_int(fp);
			int typeB = read_int(fp);
			int typeA = read_int(fp);
			double qdist = read_double(fp);
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			} else if (strcmp(style,"lj/cut/tip4p/long") == 0) {
			m = 0;
			int typeO = read_int(fp);
			int typeH = read_int(fp);
			int typeB = read_int(fp);
			int typeA = read_int(fp);
			double qdist = read_double(fp);
			double cut_lj_global = read_double(fp);
			double cut_lj_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			} else if (strcmp(style,"lj/long/coul/long") == 0) {
			m = 0;
			double cut_lj_global = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int ncoultablebits = read_int(fp);
			double tabinner = read_double(fp);
			int ewald_order = read_int(fp);
			}

			if (!flag) return;

			data.pair_lj_epsilon = new double[data.ntypes+1];
			data.pair_lj_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_lj_epsilon[i] = read_double(fp);
			data.pair_lj_sigma[i] = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			} else {
			double lj_epsilon = read_double(fp);
			double lj_sigma = read_double(fp);
			double cut_lj = read_double(fp);
			if (m) double cut_coul = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"lj/expand") == 0) {

			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int tail_flag = read_int(fp);

			if (!flag) return;

			data.pair_ljexpand_epsilon = new double[data.ntypes+1];
			data.pair_ljexpand_sigma = new double[data.ntypes+1];
			data.pair_ljexpand_shift = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_ljexpand_epsilon[i] = read_double(fp);
			data.pair_ljexpand_sigma[i] = read_double(fp);
			data.pair_ljexpand_shift[i] = read_double(fp);
			double cut_lj = read_double(fp);
			} else {
			double ljexpand_epsilon = read_double(fp);
			double ljexpand_sigma = read_double(fp);
			double ljexpand_shift = read_double(fp);
			double cut_lj = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"lj/gromacs") == 0) \|\|
			(strcmp(style,"lj/gromacs/coul/gromacs") == 0)) {

			if (strcmp(style,"lj/gromacs") == 0) {
			m = 1;
			double cut_inner_global = read_double(fp);
			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			} else if (strcmp(style,"lj/gromacs/coul/gromacs") == 0) {
			m = 0;
			double cut_lj_inner_global = read_double(fp);
			double cut_lj = read_double(fp);
			double cut_coul_inner_global = read_double(fp);
			double cut_coul = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			}

			if (!flag) return;

			data.pair_ljgromacs_epsilon = new double[data.ntypes+1];
			data.pair_ljgromacs_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_ljgromacs_epsilon[i] = read_double(fp);
			data.pair_ljgromacs_sigma[i] = read_double(fp);
			if (m) {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			}
			} else {
			double ljgromacs_epsilon = read_double(fp);
			double ljgromacs_sigma = read_double(fp);
			if (m) {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}
			}

			} else if (strcmp(style,"lj/smooth") == 0) {

			double cut_inner_global = read_double(fp);
			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_ljsmooth_epsilon = new double[data.ntypes+1];
			data.pair_ljsmooth_sigma = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_ljsmooth_epsilon[i] = read_double(fp);
			data.pair_ljsmooth_sigma[i] = read_double(fp);
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			} else {
			double ljsmooth_epsilon = read_double(fp);
			double ljsmooth_sigma = read_double(fp);
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"lubricate") == 0) \|\|
			(strcmp(style,"lubricateU") == 0)) {
			double mu = read_double(fp);
			int flaglog = read_int(fp);
			int flagfld = read_int(fp);
			double cut_inner_global = read_double(fp);
			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);
			int flagHI = read_int(fp);
			int flagVF = read_int(fp);

			if (!flag) return;

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			} else {
			double cut_inner = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"meam") == 0) \|\|
			(strcmp(style,"meam/spline") == 0)) {

			} else if (strcmp(style,"morse") == 0) {

			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_morse_d0 = new double[data.ntypes+1];
			data.pair_morse_alpha = new double[data.ntypes+1];
			data.pair_morse_r0 = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_morse_d0[i] = read_double(fp);
			data.pair_morse_alpha[i] = read_double(fp);
			data.pair_morse_r0[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double morse_d0 = read_double(fp);
			double morse_alpha = read_double(fp);
			double morse_r0 = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"reax") == 0) {
			} else if (strcmp(style,"reax/c") == 0) {

			} else if (strcmp(style,"soft") == 0) {

			double cut_global = read_double(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_soft_A = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_soft_A[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double soft_A = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if (strcmp(style,"sw") == 0) {

			} else if (strcmp(style,"table") == 0) {

			int tabstyle = read_int(fp);
			int n = read_int(fp);

			} else if (strcmp(style,"tersoff") == 0) {
			} else if (strcmp(style,"tersoff/table") == 0) {
			} else if (strcmp(style,"tersoff/zbl") == 0) {

			} else if ((strcmp(style,"yukawa") == 0) \|\|
			(strcmp(style,"yukawa/colloid") == 0)) {

			double kappa = read_double(fp);
			double cut_global = read_double(fp);
			int offset_flag = read_int(fp);
			int mix_flag = read_int(fp);

			if (!flag) return;

			data.pair_yukawa_A = new double[data.ntypes+1];

			for (i = 1; i <= data.ntypes; i++)
			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			if (i == j) {
			data.pair_yukawa_A[i] = read_double(fp);
			double cut = read_double(fp);
			} else {
			double yukawa_A = read_double(fp);
			double cut = read_double(fp);
			}
			}
			}

			} else if ((strcmp(style,"cg/cmm") == 0) \|\|
			(strcmp(style,"cg/cmm/coul/long") == 0) \|\|
			(strcmp(style,"lj/sdk") == 0) \|\|
			(strcmp(style,"lj/sdk/coul/long") == 0)) {

			m = 0;
			data.cut_lj_global = read_double(fp);
			if ((strcmp(style,"cg/cmm/coul/long") == 0) \|\|
			(strcmp(style,"lj/sdk/coul/long") == 0)) {
			data.cut_coul_global = read_double(fp);
			}
			data.offset_flag = read_int(fp);
			data.mix_flag = read_int(fp);
			data.tail_flag = read_int(fp);
			if ((strcmp(style,"cg/cmm/coul/long") == 0) \|\|
			(strcmp(style,"lj/sdk/coul/long") == 0)) {
			data.ncoultablebits = read_int(fp);
			data.tabinner = read_double(fp);
			}

			if (!flag) return;

			const int numtyp=data.ntypes+1;
			data.pair_cg_cmm_type = new int*[numtyp];
			data.pair_setflag = new int*[numtyp];
			data.pair_cg_epsilon = new double*[numtyp];
			data.pair_cg_sigma = new double*[numtyp];
			data.pair_cut_lj = new double*[numtyp];
			data.pair_cut_coul = NULL;
			m=0;

			for (i = 1; i <= data.ntypes; i++) {
			data.pair_cg_cmm_type[i] = new int[numtyp];
			data.pair_setflag[i] = new int[numtyp];
			data.pair_cg_epsilon[i] = new double[numtyp];
			data.pair_cg_sigma[i] = new double[numtyp];
			data.pair_cut_lj[i] = new double[numtyp];

			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			data.pair_setflag[i][j] = itmp;
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			data.pair_cg_cmm_type[i][j] = read_int(fp);
			data.pair_cg_epsilon[i][j] = read_double(fp);
			data.pair_cg_sigma[i][j] = read_double(fp);
			data.pair_cut_lj[i][j] = read_double(fp);
			}
			}
			}
			} else if ((strcmp(style,"cg/cmm/old") == 0) \|\|
			(strcmp(style,"cg/cmm/coul/cut/old") == 0) \|\|
			(strcmp(style,"cg/cmm/coul/long/old") == 0)) {
			m = 0;
			data.cut_lj_global = read_double(fp);
			data.cut_coul_global = read_double(fp);
			data.kappa = read_double(fp);
			data.offset_flag = read_int(fp);
			data.mix_flag = read_int(fp);

			if (!flag) return;

			const int numtyp=data.ntypes+1;
			data.pair_cg_cmm_type = new int*[numtyp];
			data.pair_setflag = new int*[numtyp];
			data.pair_cg_epsilon = new double*[numtyp];
			data.pair_cg_sigma = new double*[numtyp];
			data.pair_cut_lj = new double*[numtyp];
			if ((strcmp(style,"cg/cmm/coul/cut/old") == 0) \|\|
			(strcmp(style,"cg/cmm/coul/long/old") == 0)) {
			data.pair_cut_coul = new double*[numtyp];
			m=1;
			} else {
			data.pair_cut_coul = NULL;
			m=0;
			}

			for (i = 1; i <= data.ntypes; i++) {
			data.pair_cg_cmm_type[i] = new int[numtyp];
			data.pair_setflag[i] = new int[numtyp];
			data.pair_cg_epsilon[i] = new double[numtyp];
			data.pair_cg_sigma[i] = new double[numtyp];
			data.pair_cut_lj[i] = new double[numtyp];
			if ((strcmp(style,"cg/cmm/coul/cut/old") == 0) \|\|
			(strcmp(style,"cg/cmm/coul/long/old") == 0)) {
			data.pair_cut_coul[i] = new double[numtyp];
			}

			for (j = i; j <= data.ntypes; j++) {
			itmp = read_int(fp);
			data.pair_setflag[i][j] = itmp;
			if (i == j && itmp == 0) {
			printf("ERROR: Pair coeff %d,%d is not in restart file\n",i,j);
			exit(1);
			}
			if (itmp) {
			data.pair_cg_cmm_type[i][j] = read_int(fp);
			data.pair_cg_epsilon[i][j] = read_double(fp);
			data.pair_cg_sigma[i][j] = read_double(fp);
			data.pair_cut_lj[i][j] = read_double(fp);
			if (m) {
			data.pair_cut_lj[i][j] = read_double(fp);
			data.pair_cut_coul[i][j] = read_double(fp);
			}
			}
			}
			}
			} else if ((strcmp(style,"hybrid") == 0) \|\|
			(strcmp(style,"hybrid/overlay") == 0)) {

			// for each substyle of hybrid,
			// read its settings by calling pair() recursively with flag = 0
			// so that coeff array allocation is skipped

			int nstyles = read_int(fp);
			for (int i = 0; i < nstyles; i++) {
			char *substyle = read_char(fp);
			strip_suffix(substyle);
			pair(fp,data,substyle,0);
			}

			} else {
			printf("ERROR: Unknown pair style %s\n",style);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// bond coeffs
			// one section for each bond style
			// ---------------------------------------------------------------------

			void bond(FILE *fp, Data &data)
			{
			if (strcmp(data.bond_style,"none") == 0) {

			} else if (strcmp(data.bond_style,"class2") == 0) {

			data.bond_class2_r0 = new double[data.nbondtypes+1];
			data.bond_class2_k2 = new double[data.nbondtypes+1];
			data.bond_class2_k3 = new double[data.nbondtypes+1];
			data.bond_class2_k4 = new double[data.nbondtypes+1];
			nread_double(&data.bond_class2_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_class2_k2[1],data.nbondtypes,fp);
			nread_double(&data.bond_class2_k3[1],data.nbondtypes,fp);
			nread_double(&data.bond_class2_k4[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"fene") == 0) {

			data.bond_fene_k = new double[data.nbondtypes+1];
			data.bond_fene_r0 = new double[data.nbondtypes+1];
			data.bond_fene_epsilon = new double[data.nbondtypes+1];
			data.bond_fene_sigma = new double[data.nbondtypes+1];
			nread_double(&data.bond_fene_k[1],data.nbondtypes,fp);
			nread_double(&data.bond_fene_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_fene_epsilon[1],data.nbondtypes,fp);
			nread_double(&data.bond_fene_sigma[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"fene/expand") == 0) {

			data.bond_feneexpand_k = new double[data.nbondtypes+1];
			data.bond_feneexpand_r0 = new double[data.nbondtypes+1];
			data.bond_feneexpand_epsilon = new double[data.nbondtypes+1];
			data.bond_feneexpand_sigma = new double[data.nbondtypes+1];
			data.bond_feneexpand_shift = new double[data.nbondtypes+1];
			nread_double(&data.bond_feneexpand_k[1],data.nbondtypes,fp);
			nread_double(&data.bond_feneexpand_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_feneexpand_epsilon[1],data.nbondtypes,fp);
			nread_double(&data.bond_feneexpand_sigma[1],data.nbondtypes,fp);
			nread_double(&data.bond_feneexpand_shift[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"harmonic") == 0) {

			data.bond_harmonic_k = new double[data.nbondtypes+1];
			data.bond_harmonic_r0 = new double[data.nbondtypes+1];
			nread_double(&data.bond_harmonic_k[1],data.nbondtypes,fp);
			nread_double(&data.bond_harmonic_r0[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"harmonicshift") == 0) {

			data.bond_harmonicshift_umin = new double[data.nbondtypes+1];
			data.bond_harmonicshift_r0 = new double[data.nbondtypes+1];
			data.bond_harmonicshift_rc = new double[data.nbondtypes+1];
			nread_double(&data.bond_harmonicshift_umin[1],data.nbondtypes,fp);
			nread_double(&data.bond_harmonicshift_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_harmonicshift_rc[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"harmonicshiftcut") == 0) {

			data.bond_harmonicshiftcut_umin = new double[data.nbondtypes+1];
			data.bond_harmonicshiftcut_r0 = new double[data.nbondtypes+1];
			data.bond_harmonicshiftcut_rc = new double[data.nbondtypes+1];
			nread_double(&data.bond_harmonicshiftcut_umin[1],data.nbondtypes,fp);
			nread_double(&data.bond_harmonicshiftcut_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_harmonicshiftcut_rc[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"morse") == 0) {

			data.bond_morse_d0 = new double[data.nbondtypes+1];
			data.bond_morse_alpha = new double[data.nbondtypes+1];
			data.bond_morse_r0 = new double[data.nbondtypes+1];
			nread_double(&data.bond_morse_d0[1],data.nbondtypes,fp);
			nread_double(&data.bond_morse_alpha[1],data.nbondtypes,fp);
			nread_double(&data.bond_morse_r0[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"nonlinear") == 0) {

			data.bond_nonlinear_epsilon = new double[data.nbondtypes+1];
			data.bond_nonlinear_r0 = new double[data.nbondtypes+1];
			data.bond_nonlinear_lamda = new double[data.nbondtypes+1];
			nread_double(&data.bond_nonlinear_epsilon[1],data.nbondtypes,fp);
			nread_double(&data.bond_nonlinear_r0[1],data.nbondtypes,fp);
			nread_double(&data.bond_nonlinear_lamda[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"quartic") == 0) {

			data.bond_quartic_k = new double[data.nbondtypes+1];
			data.bond_quartic_b1 = new double[data.nbondtypes+1];
			data.bond_quartic_b2 = new double[data.nbondtypes+1];
			data.bond_quartic_rc = new double[data.nbondtypes+1];
			data.bond_quartic_u0 = new double[data.nbondtypes+1];
			nread_double(&data.bond_quartic_k[1],data.nbondtypes,fp);
			nread_double(&data.bond_quartic_b1[1],data.nbondtypes,fp);
			nread_double(&data.bond_quartic_b2[1],data.nbondtypes,fp);
			nread_double(&data.bond_quartic_rc[1],data.nbondtypes,fp);
			nread_double(&data.bond_quartic_u0[1],data.nbondtypes,fp);

			} else if (strcmp(data.bond_style,"table") == 0) {

			int tabstyle = read_int(fp);
			int n = read_int(fp);

			} else if (strcmp(data.bond_style,"hybrid") == 0) {

			int nstyles = read_int(fp);
			for (int i = 0; i < nstyles; i++)
			char *substyle = read_char(fp);

			} else {
			printf("ERROR: Unknown bond style %s\n",data.bond_style);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// angle coeffs
			// one section for each angle style
			// ---------------------------------------------------------------------

			void angle(FILE *fp, Data &data)
			{
			if (strcmp(data.angle_style,"none") == 0) {

			} else if ((strcmp(data.angle_style,"cg/cmm") == 0) \|\|
			(strcmp(data.angle_style,"sdk") == 0)) {

			data.angle_harmonic_k = new double[data.nangletypes+1];
			data.angle_harmonic_theta0 = new double[data.nangletypes+1];
			data.angle_cg_cmm_epsilon = new double[data.nangletypes+1];

			nread_double(&data.angle_harmonic_k[1],data.nangletypes,fp);
			nread_double(&data.angle_harmonic_theta0[1],data.nangletypes,fp);
			nread_double(&data.angle_cg_cmm_epsilon[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"cg/cmm/old") == 0) {

			data.angle_harmonic_k = new double[data.nangletypes+1];
			data.angle_harmonic_theta0 = new double[data.nangletypes+1];
			data.angle_cg_cmm_epsilon = new double[data.nangletypes+1];
			data.angle_cg_cmm_sigma = new double[data.nangletypes+1];
			double *angle_cg_cmm_rcut = new double[data.nangletypes+1];
			data.angle_cg_cmm_type = new int[data.nangletypes+1];

			nread_double(&data.angle_harmonic_k[1],data.nangletypes,fp);
			nread_double(&data.angle_harmonic_theta0[1],data.nangletypes,fp);
			nread_double(&data.angle_cg_cmm_epsilon[1],data.nangletypes,fp);
			nread_double(&data.angle_cg_cmm_sigma[1],data.nangletypes,fp);
			nread_double(angle_cg_cmm_rcut,data.nangletypes,fp);
			nread_int(&data.angle_cg_cmm_type[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"charmm") == 0) {

			data.angle_charmm_k = new double[data.nangletypes+1];
			data.angle_charmm_theta0 = new double[data.nangletypes+1];
			data.angle_charmm_k_ub = new double[data.nangletypes+1];
			data.angle_charmm_r_ub = new double[data.nangletypes+1];

			nread_double(&data.angle_charmm_k[1],data.nangletypes,fp);
			nread_double(&data.angle_charmm_theta0[1],data.nangletypes,fp);
			nread_double(&data.angle_charmm_k_ub[1],data.nangletypes,fp);
			nread_double(&data.angle_charmm_r_ub[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"class2") == 0) {

			data.angle_class2_theta0 = new double[data.nangletypes+1];
			data.angle_class2_k2 = new double[data.nangletypes+1];
			data.angle_class2_k3 = new double[data.nangletypes+1];
			data.angle_class2_k4 = new double[data.nangletypes+1];

			data.angle_class2_bb_k = new double[data.nangletypes+1];
			data.angle_class2_bb_r1 = new double[data.nangletypes+1];
			data.angle_class2_bb_r2 = new double[data.nangletypes+1];

			data.angle_class2_ba_k1 = new double[data.nangletypes+1];
			data.angle_class2_ba_k2 = new double[data.nangletypes+1];
			data.angle_class2_ba_r1 = new double[data.nangletypes+1];
			data.angle_class2_ba_r2 = new double[data.nangletypes+1];

			nread_double(&data.angle_class2_theta0[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_k2[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_k3[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_k4[1],data.nangletypes,fp);

			nread_double(&data.angle_class2_bb_k[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_bb_r1[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_bb_r2[1],data.nangletypes,fp);

			nread_double(&data.angle_class2_ba_k1[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_ba_k2[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_ba_r1[1],data.nangletypes,fp);
			nread_double(&data.angle_class2_ba_r2[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"cosineshift") == 0) {

			data.angle_cosineshift_umin = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshift_umin[1],data.nangletypes,fp);
			data.angle_cosineshift_cost = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshift_cost[1],data.nangletypes,fp);
			data.angle_cosineshift_sint = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshift_sint[1],data.nangletypes,fp);
			data.angle_cosineshift_theta0 = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshift_theta0[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"cosineshiftexp") == 0) {

			data.angle_cosineshiftexp_umin = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshiftexp_umin[1],data.nangletypes,fp);
			data.angle_cosineshiftexp_a = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshiftexp_a[1],data.nangletypes,fp);
			data.angle_cosineshiftexp_cost = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshiftexp_cost[1],data.nangletypes,fp);
			data.angle_cosineshiftexp_sint = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshiftexp_sint[1],data.nangletypes,fp);
			data.angle_cosineshiftexp_theta0 = new double[data.nangletypes+1];
			nread_double(&data.angle_cosineshiftexp_theta0[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"cosine") == 0) {

			data.angle_cosine_k = new double[data.nangletypes+1];
			nread_double(&data.angle_cosine_k[1],data.nangletypes,fp);

			} else if ((strcmp(data.angle_style,"cosine/squared") == 0) \|\|
			(strcmp(data.angle_style,"cosine/delta") == 0)) {

			data.angle_cosine_squared_k = new double[data.nangletypes+1];
			data.angle_cosine_squared_theta0 = new double[data.nangletypes+1];
			nread_double(&data.angle_cosine_squared_k[1],data.nangletypes,fp);
			nread_double(&data.angle_cosine_squared_theta0[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"dipole") == 0) {

			data.angle_harmonic_k = new double[data.nangletypes+1];
			data.angle_harmonic_theta0 = new double[data.nangletypes+1];
			nread_double(&data.angle_harmonic_k[1],data.nangletypes,fp);
			nread_double(&data.angle_harmonic_theta0[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"harmonic") == 0) {

			data.angle_harmonic_k = new double[data.nangletypes+1];
			data.angle_harmonic_theta0 = new double[data.nangletypes+1];
			nread_double(&data.angle_harmonic_k[1],data.nangletypes,fp);
			nread_double(&data.angle_harmonic_theta0[1],data.nangletypes,fp);

			} else if (strcmp(data.angle_style,"table") == 0) {

			int tabstyle = read_int(fp);
			int n = read_int(fp);

			} else if (strcmp(data.angle_style,"hybrid") == 0) {

			int nstyles = read_int(fp);
			for (int i = 0; i < nstyles; i++)
			char *substyle = read_char(fp);

			} else {
			printf("ERROR: Unknown angle style %s\n",data.angle_style);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// dihedral coeffs
			// one section for each dihedral style
			// ---------------------------------------------------------------------

			void dihedral(FILE *fp, Data &data)
			{
			if (strcmp(data.dihedral_style,"none") == 0) {

			} else if (strcmp(data.dihedral_style,"charmm") == 0) {
			int dummy;

			data.dihedral_charmm_k = new double[data.ndihedraltypes+1];
			data.dihedral_charmm_multiplicity = new int[data.ndihedraltypes+1];
			data.dihedral_charmm_sign = new int[data.ndihedraltypes+1];
			data.dihedral_charmm_weight = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_charmm_k[1],data.ndihedraltypes,fp);
			nread_int(&data.dihedral_charmm_multiplicity[1],data.ndihedraltypes,fp);
			nread_int(&data.dihedral_charmm_sign[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_charmm_weight[1],data.ndihedraltypes,fp);
			nread_int(&dummy,1,fp);

			} else if (strcmp(data.dihedral_style,"class2") == 0) {

			data.dihedral_class2_k1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_k2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_k3 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_phi1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_phi2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_phi3 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_mbt_f1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_mbt_f2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_mbt_f3 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_mbt_r0 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_ebt_f1_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_f2_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_f3_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_r0_1 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_ebt_f1_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_f2_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_f3_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_ebt_r0_2 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_at_f1_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_f2_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_f3_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_theta0_1 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_at_f1_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_f2_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_f3_2 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_at_theta0_2 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_aat_k = new double[data.ndihedraltypes+1];
			data.dihedral_class2_aat_theta0_1 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_aat_theta0_2 = new double[data.ndihedraltypes+1];

			data.dihedral_class2_bb13_k = new double[data.ndihedraltypes+1];
			data.dihedral_class2_bb13_r10 = new double[data.ndihedraltypes+1];
			data.dihedral_class2_bb13_r30 = new double[data.ndihedraltypes+1];

			nread_double(&data.dihedral_class2_k1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_k2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_k3[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_phi1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_phi2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_phi3[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_mbt_f1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_mbt_f2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_mbt_f3[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_mbt_r0[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_ebt_f1_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_f2_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_f3_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_r0_1[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_ebt_f1_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_f2_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_f3_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_ebt_r0_2[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_at_f1_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_f2_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_f3_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_theta0_1[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_at_f1_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_f2_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_f3_2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_at_theta0_2[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_aat_k[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_aat_theta0_1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_aat_theta0_2[1],data.ndihedraltypes,fp);

			nread_double(&data.dihedral_class2_bb13_k[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_bb13_r10[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_class2_bb13_r30[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"harmonic") == 0) {

			data.dihedral_harmonic_k = new double[data.ndihedraltypes+1];
			data.dihedral_harmonic_multiplicity = new int[data.ndihedraltypes+1];
			data.dihedral_harmonic_sign = new int[data.ndihedraltypes+1];
			nread_double(&data.dihedral_harmonic_k[1],data.ndihedraltypes,fp);
			nread_int(&data.dihedral_harmonic_multiplicity[1],data.ndihedraltypes,fp);
			nread_int(&data.dihedral_harmonic_sign[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"helix") == 0) {

			data.dihedral_helix_aphi = new double[data.ndihedraltypes+1];
			data.dihedral_helix_bphi = new double[data.ndihedraltypes+1];
			data.dihedral_helix_cphi = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_helix_aphi[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_helix_bphi[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_helix_cphi[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"multi/harmonic") == 0) {

			data.dihedral_multi_a1 = new double[data.ndihedraltypes+1];
			data.dihedral_multi_a2 = new double[data.ndihedraltypes+1];
			data.dihedral_multi_a3 = new double[data.ndihedraltypes+1];
			data.dihedral_multi_a4 = new double[data.ndihedraltypes+1];
			data.dihedral_multi_a5 = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_multi_a1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_multi_a2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_multi_a3[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_multi_a4[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_multi_a5[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"opls") == 0) {

			data.dihedral_opls_k1 = new double[data.ndihedraltypes+1];
			data.dihedral_opls_k2 = new double[data.ndihedraltypes+1];
			data.dihedral_opls_k3 = new double[data.ndihedraltypes+1];
			data.dihedral_opls_k4 = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_opls_k1[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_opls_k2[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_opls_k3[1],data.ndihedraltypes,fp);
			nread_double(&data.dihedral_opls_k4[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"cosineshiftexp") == 0) {

			data.dihedral_cosineshiftexp_umin = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_cosineshiftexp_umin[1],data.ndihedraltypes,fp);
			data.dihedral_cosineshiftexp_a = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_cosineshiftexp_a[1],data.ndihedraltypes,fp);
			data.dihedral_cosineshiftexp_cost = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_cosineshiftexp_cost[1],data.ndihedraltypes,fp);
			data.dihedral_cosineshiftexp_sint = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_cosineshiftexp_sint[1],data.ndihedraltypes,fp);
			data.dihedral_cosineshiftexp_theta = new double[data.ndihedraltypes+1];
			nread_double(&data.dihedral_cosineshiftexp_theta[1],data.ndihedraltypes,fp);

			} else if (strcmp(data.dihedral_style,"table") == 0) {

			int tabstyle = read_int(fp);
			int n = read_int(fp);

			} else if (strcmp(data.dihedral_style,"hybrid") == 0) {

			int nstyles = read_int(fp);
			for (int i = 0; i < nstyles; i++)
			char *substyle = read_char(fp);

			} else {
			printf("ERROR: Unknown dihedral style %s\n",data.dihedral_style);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// improper coeffs
			// one section for each improper style
			// ---------------------------------------------------------------------

			void improper(FILE *fp, Data &data)
			{
			if (strcmp(data.improper_style,"none") == 0) {

			} else if (strcmp(data.improper_style,"class2") == 0) {

			data.improper_class2_k0 = new double[data.nimpropertypes+1];
			data.improper_class2_chi0 = new double[data.nimpropertypes+1];

			data.improper_class2_aa_k1 = new double[data.nimpropertypes+1];
			data.improper_class2_aa_k2 = new double[data.nimpropertypes+1];
			data.improper_class2_aa_k3 = new double[data.nimpropertypes+1];
			data.improper_class2_aa_theta0_1 = new double[data.nimpropertypes+1];
			data.improper_class2_aa_theta0_2 = new double[data.nimpropertypes+1];
			data.improper_class2_aa_theta0_3 = new double[data.nimpropertypes+1];

			nread_double(&data.improper_class2_k0[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_chi0[1],data.nimpropertypes,fp);

			nread_double(&data.improper_class2_aa_k1[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_aa_k2[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_aa_k3[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_aa_theta0_1[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_aa_theta0_2[1],data.nimpropertypes,fp);
			nread_double(&data.improper_class2_aa_theta0_3[1],data.nimpropertypes,fp);

			} else if (strcmp(data.improper_style,"cvff") == 0) {

			data.improper_cvff_k = new double[data.nimpropertypes+1];
			data.improper_cvff_sign = new int[data.nimpropertypes+1];
			data.improper_cvff_multiplicity = new int[data.nimpropertypes+1];
			nread_double(&data.improper_cvff_k[1],data.nimpropertypes,fp);
			nread_int(&data.improper_cvff_sign[1],data.nimpropertypes,fp);
			nread_int(&data.improper_cvff_multiplicity[1],data.nimpropertypes,fp);

			} else if (strcmp(data.improper_style,"harmonic") == 0) {

			data.improper_harmonic_k = new double[data.nimpropertypes+1];
			data.improper_harmonic_chi = new double[data.nimpropertypes+1];
			nread_double(&data.improper_harmonic_k[1],data.nimpropertypes,fp);
			nread_double(&data.improper_harmonic_chi[1],data.nimpropertypes,fp);

			} else if (strcmp(data.improper_style,"hybrid") == 0) {

			int nstyles = read_int(fp);
			for (int i = 0; i < nstyles; i++)
			char *substyle = read_char(fp);

			} else {
			printf("ERROR: Unknown improper style %s\n",data.improper_style);
			exit(1);
			}
			}

			// ---------------------------------------------------------------------
			// initialize Data
			// ---------------------------------------------------------------------

			Data::Data()
			{
			nellipsoids = 0;
			}

			// ---------------------------------------------------------------------
			// print out stats on problem
			// ---------------------------------------------------------------------

			void Data::stats()
			{
			char fstr[64];

			printf(" Restart file version = %s\n",version);
			printf(" Ntimestep = " BIGINT_FORMAT "\n",ntimestep);
			printf(" Nprocs = %d\n",nprocs);
			printf(" Natoms = " BIGINT_FORMAT "\n",natoms);

			if (nellipsoids) printf(" Nellipsoids = " BIGINT_FORMAT "\n",nellipsoids);

			if (ibonds) printf(" Nbonds = " BIGINT_FORMAT "\n",ibonds);
			if (ibonds != nbonds)
			printf(" Skipping " BIGINT_FORMAT " broken bonds\n",nbonds-ibonds);
			if (iangles) printf(" Nangles = " BIGINT_FORMAT "\n",iangles);
			if (iangles != nangles)
			printf(" Skipping " BIGINT_FORMAT " broken angles\n",nangles-iangles);
			if (idihedrals) printf(" Ndihedrals = " BIGINT_FORMAT "\n",idihedrals);
			if (idihedrals != ndihedrals)
			printf(" Skipping " BIGINT_FORMAT " broken dihedrals\n",
			ndihedrals-idihedrals);
			if (iimpropers) printf(" Nimpropers = " BIGINT_FORMAT "\n",iimpropers);
			if (iimpropers != nimpropers)
			printf(" Skipping " BIGINT_FORMAT " broken impropers\n",
			nimpropers-iimpropers);

			printf(" Unit style = %s\n",unit_style);
			printf(" Atom style = %s\n",atom_style);
			if (pair_style) printf(" Pair style = %s\n",pair_style);
			if (bond_style) printf(" Bond style = %s\n",bond_style);
			if (angle_style) printf(" Angle style = %s\n",angle_style);
			if (dihedral_style) printf(" Dihedral style = %s\n",dihedral_style);
			if (improper_style) printf(" Improper style = %s\n",improper_style);

			printf(" Xlo xhi = %g %g\n",xlo,xhi);
			printf(" Ylo yhi = %g %g\n",ylo,yhi);
			printf(" Zlo zhi = %g %g\n",zlo,zhi);
			if (triclinic) printf(" Xy xz yz = %g %g %g\n",xy,xz,yz);
			printf(" Periodicity = %d %d %d\n",xperiodic,yperiodic,zperiodic);
			printf(" Boundary = %d %d, %d %d, %d %d\n",boundary[0][0],boundary[0][1],
			boundary[1][0],boundary[1][1],boundary[2][0],boundary[2][1]);
			}

			// ---------------------------------------------------------------------
			// write the data file and input file
			// ---------------------------------------------------------------------

			void Data::write(FILE fp, FILE fp2, int write_coeffs, int write_vels)
			{
			fprintf(fp,"LAMMPS data file from restart file: timestep = "
			BIGINT_FORMAT ", procs = %d\n\n",ntimestep,nprocs);

			fprintf(fp,BIGINT_FORMAT " atoms\n",natoms);
			if (nellipsoids) fprintf(fp,BIGINT_FORMAT " ellipsoids\n",nellipsoids);
			if (ibonds) fprintf(fp,BIGINT_FORMAT " bonds\n",ibonds);
			if (iangles) fprintf(fp,BIGINT_FORMAT " angles\n",iangles);
			if (idihedrals) fprintf(fp,BIGINT_FORMAT " dihedrals\n",idihedrals);
			if (iimpropers) fprintf(fp,BIGINT_FORMAT " impropers\n",iimpropers);

			fprintf(fp,"\n");

			fprintf(fp,"%d atom types\n",ntypes);
			if (nbondtypes) fprintf(fp,"%d bond types\n",nbondtypes);
			if (nangletypes) fprintf(fp,"%d angle types\n",nangletypes);
			if (ndihedraltypes) fprintf(fp,"%d dihedral types\n",ndihedraltypes);
			if (nimpropertypes) fprintf(fp,"%d improper types\n",nimpropertypes);

			fprintf(fp,"\n");

			fprintf(fp,"%-1.16e %-1.16e xlo xhi\n",xlo,xhi);
			fprintf(fp,"%-1.16e %-1.16e ylo yhi\n",ylo,yhi);
			fprintf(fp,"%-1.16e %-1.16e zlo zhi\n",zlo,zhi);
			if (triclinic) fprintf(fp,"%-1.16e %-1.16e %-1.16e xy xz yz\n",xy,xz,yz);

			// write ff styles to input file

			if (fp2) {
			fprintf(fp2,"# LAMMPS input file from restart file: "
			"timestep = " BIGINT_FORMAT ", procs = %d\n\n",ntimestep,nprocs);

			if (pair_style) fprintf(fp2,"pair_style %s\n",pair_style);
			if (bond_style) fprintf(fp2,"bond_style %s\n",bond_style);
			if (angle_style) fprintf(fp2,"angle_style %s\n",angle_style);
			if (dihedral_style) fprintf(fp2,"dihedral_style %s\n",dihedral_style);
			if (improper_style) fprintf(fp2,"improper_style %s\n",improper_style);
			fprintf(fp2,"special_bonds lj %g %g %g coul %g %g %g\n",
			special_lj[1],special_lj[2],special_lj[3],
			special_lj[1],special_coul[2],special_coul[3]);
			fprintf(fp2,"\n");
			}

			// mass to both data file and input file for convenience

			if (mass) {
			if (fp2) {
			fprintf(fp2,"\n");
			for (int i = 1; i <= ntypes; i++) fprintf(fp2,"mass %d %g\n",i,mass[i]);
			fprintf(fp2,"\n");
			}
			fprintf(fp,"\nMasses\n\n");
			for (int i = 1; i <= ntypes; i++) fprintf(fp,"%d %g\n",i,mass[i]);
			}

			// pair coeffs to data file

			if (write_coeffs && pair_style && fp2 == NULL) {
			if ((strcmp(pair_style,"none") != 0) &&
			(strcmp(pair_style,"adp") != 0) &&
			(strcmp(pair_style,"airebo") != 0) &&
			(strcmp(pair_style,"brownian") != 0) &&
			(strcmp(pair_style,"comb") != 0) &&
			(strcmp(pair_style,"coul/cut") != 0) &&
			(strcmp(pair_style,"coul/debye") != 0) &&
			(strcmp(pair_style,"coul/diel") != 0) &&
			(strcmp(pair_style,"coul/long") != 0) &&
			(strcmp(pair_style,"eam") != 0) &&
			(strcmp(pair_style,"eam/alloy") != 0) &&
			(strcmp(pair_style,"eam/fs") != 0) &&
			(strcmp(pair_style,"eim") != 0) &&
			(strcmp(pair_style,"eff/cut") != 0) &&
			(strcmp(pair_style,"gauss") != 0) &&
			(strcmp(pair_style,"gauss/cut") != 0) &&
			(strcmp(pair_style,"gran/history") != 0) &&
			(strcmp(pair_style,"gran/no_history") != 0) &&
			(strcmp(pair_style,"gran/hertzian") != 0) &&
			(strcmp(pair_style,"lubricate") != 0) &&
			(strcmp(pair_style,"lubricateU") != 0) &&
			(strcmp(pair_style,"meam") != 0) &&
			(strcmp(pair_style,"meam/spline") != 0) &&
			(strcmp(pair_style,"rebo") != 0) &&
			(strcmp(pair_style,"reax") != 0) &&
			(strcmp(pair_style,"reax/c") != 0) &&
			(strcmp(pair_style,"sw") != 0) &&
			(strcmp(pair_style,"table") != 0) &&
			(strcmp(pair_style,"tersoff") != 0) &&
			(strcmp(pair_style,"tersoff/table") != 0) &&
			(strcmp(pair_style,"tersoff/zbl") != 0) &&
			(strcmp(pair_style,"hybrid") != 0) &&
			(strcmp(pair_style,"hybrid/overlay") != 0))
			fprintf(fp,"\nPair Coeffs\n\n");

			if (strcmp(pair_style,"born/coul/long") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g %g %g\n",i,
			pair_born_A[i],pair_born_rho[i],pair_born_sigma[i],
			pair_born_C[i],pair_born_D[i]);

			} else if ((strcmp(pair_style,"buck") == 0) \|\|
			(strcmp(pair_style,"buck/coul/cut") == 0) \|\|
			(strcmp(pair_style,"buck/coul/long") == 0) \|\|
			(strcmp(pair_style,"buck/long") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			pair_buck_A[i],pair_buck_rho[i],pair_buck_C[i]);

			} else if (strcmp(pair_style,"colloid") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			pair_colloid_A12[i],pair_colloid_sigma[i],
			pair_colloid_d2[i],pair_colloid_d2[i]);

			} else if ((strcmp(pair_style,"dipole/cut") == 0) \|\|
			(strcmp(pair_style,"dipole/sf") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_dipole_epsilon[i],pair_dipole_sigma[i]);

			} else if (strcmp(pair_style,"dpd") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_dpd_a0[i],pair_dpd_gamma[i]);

			} else if (strcmp(pair_style,"dpd/tstat") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g\n",i,
			pair_dpd_gamma[i]);

			} else if (strcmp(pair_style,"gayberne") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g %g %g %g %g %g\n",i,
			pair_gb_epsilon[i],pair_gb_sigma[i],
			pair_gb_epsa[i],pair_gb_epsb[i],pair_gb_epsc[i],
			pair_gb_epsa[i],pair_gb_epsb[i],pair_gb_epsc[i]);

			} else if ((strcmp(pair_style,"lj/charmm/coul/charmm") == 0) \|\|
			(strcmp(pair_style,"lj/charmm/coul/charmm/implicit") == 0) \|\|
			(strcmp(pair_style,"lj/charmm/coul/long/proxy") == 0) \|\|
			(strcmp(pair_style,"lj/charmm/coul/long") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			pair_charmm_epsilon[i],pair_charmm_sigma[i],
			pair_charmm_eps14[i],pair_charmm_sigma14[i]);

			} else if ((strcmp(pair_style,"lj/class2") == 0) \|\|
			(strcmp(pair_style,"lj/class2/coul/cut") == 0) \|\|
			(strcmp(pair_style,"lj/class2/coul/long/proxy") == 0) \|\|
			(strcmp(pair_style,"lj/class2/coul/long") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_class2_epsilon[i],pair_class2_sigma[i]);

			} else if ((strcmp(pair_style,"lj/cut") == 0) \|\|
			(strcmp(pair_style,"lj96/cut") == 0) \|\|
			(strcmp(pair_style,"lj/cut/coul/cut") == 0) \|\|
			(strcmp(pair_style,"lj/cut/coul/debye") == 0) \|\|
			(strcmp(pair_style,"lj/cut/coul/long") == 0) \|\|
			(strcmp(pair_style,"lj/cut/coul/long/proxy") == 0) \|\|
			(strcmp(pair_style,"lj/cut/tip4p/cut") == 0) \|\|
			(strcmp(pair_style,"lj/cut/tip4p/long") == 0) \|\|
			(strcmp(pair_style,"lj/long/coul/long") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_lj_epsilon[i],pair_lj_sigma[i]);

			} else if (strcmp(pair_style,"lj/expand") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			pair_ljexpand_epsilon[i],pair_ljexpand_sigma[i],
			pair_ljexpand_shift[i]);

			} else if ((strcmp(pair_style,"lj/gromacs") == 0) \|\|
			(strcmp(pair_style,"lj/gromacs/coul/gromacs") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_ljgromacs_epsilon[i],pair_ljgromacs_sigma[i]);

			} else if (strcmp(pair_style,"lj/smooth") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			pair_ljsmooth_epsilon[i],pair_ljsmooth_sigma[i]);

			} else if (strcmp(pair_style,"morse") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			pair_morse_d0[i],pair_morse_alpha[i],pair_morse_r0[i]);

			} else if (strcmp(pair_style,"soft") == 0) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g\n",i,
			pair_soft_A[i]);

			} else if ((strcmp(pair_style,"yukawa") == 0) \|\|
			(strcmp(pair_style,"yukawa/colloid") == 0)) {
			for (int i = 1; i <= ntypes; i++)
			fprintf(fp,"%d %g\n",i,
			pair_yukawa_A[i]);

			} else if ((strcmp(pair_style,"cg/cmm") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/coul/cut") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/coul/long") == 0) \|\|
			(strcmp(pair_style,"lj/sdk") == 0) \|\|
			(strcmp(pair_style,"lj/sdk/coul/long") == 0)) {
			printf("ERROR: Cannot write pair_style %s to data file alone. please provide an input file, too.\n",
			pair_style);
			exit(1);
			}
			}

			// pair coeffs to input file
			// only supported styles = lj/sdk and cg/cmm

			if (write_coeffs && pair_style && fp2) {
			if ((strcmp(pair_style,"lj/sdk") == 0) \|\|
			(strcmp(pair_style,"lj/sdk/coul/long") == 0) \|\|
			(strcmp(pair_style,"cg/cmm") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/coul/cut") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/old") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/coul/cut/old") == 0) \|\|
			(strcmp(pair_style,"cg/cmm/coul/long/old") == 0)) {
			for (int i = 1; i <= ntypes; i++) {
			for (int j = i; j <= ntypes; j++) {
			fprintf(fp2,"pair_coeff %d %d %s %g %g\n",i,j,
			cg_type_list[pair_cg_cmm_type[i][j]],
			pair_cg_epsilon[i][j],pair_cg_sigma[i][j]);
			}
			}

			} else {
			printf("ERROR: Cannot write pair_style %s to input file\n",
			pair_style);
			exit(1);
			}
			}

			// bond coeffs to data file

			if (write_coeffs && bond_style && fp2 == NULL) {
			if ((strcmp(bond_style,"none") != 0) &&
			(strcmp(bond_style,"table") != 0) &&
			(strcmp(bond_style,"hybrid") != 0))
			fprintf(fp,"\nBond Coeffs\n\n");

			if (strcmp(bond_style,"class2") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			bond_class2_r0[i],bond_class2_k2[i],
			bond_class2_k3[i],bond_class2_k4[i]);

			} else if (strcmp(bond_style,"fene") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			bond_fene_k[i],bond_fene_r0[i],
			bond_fene_epsilon[i],bond_fene_sigma[i]);

			} else if (strcmp(bond_style,"fene/expand") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g %g %g\n",i,
			bond_feneexpand_k[i],bond_feneexpand_r0[i],
			bond_feneexpand_epsilon[i],bond_feneexpand_sigma[i],
			bond_feneexpand_shift[i]);

			} else if (strcmp(bond_style,"harmonic") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			bond_harmonic_k[i],bond_harmonic_r0[i]);

			} else if (strcmp(bond_style,"harmonicshift") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			bond_harmonicshift_umin[i],bond_harmonicshift_r0[i],
			bond_harmonicshift_rc[i]);

			} else if (strcmp(bond_style,"harmonicshiftcut") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			bond_harmonicshiftcut_umin[i],bond_harmonicshiftcut_r0[i],
			bond_harmonicshiftcut_rc[i]);

			} else if (strcmp(bond_style,"morse") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			bond_morse_d0[i],bond_morse_alpha[i],bond_morse_r0[i]);

			} else if (strcmp(bond_style,"nonlinear") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			bond_nonlinear_epsilon[i],bond_nonlinear_r0[i],
			bond_nonlinear_lamda[i]);

			} else if (strcmp(bond_style,"quartic") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp,"%d %g %g %g %g %g\n",i,
			bond_quartic_k[i],bond_quartic_b1[i],bond_quartic_b2[i],
			bond_quartic_rc[i],bond_quartic_u0[i]);
			}
			}

			// bond coeffs to input file
			// only supported styles = harmonic

			if (write_coeffs && bond_style && fp2) {
			if (strcmp(bond_style,"harmonic") == 0) {
			for (int i = 1; i <= nbondtypes; i++)
			fprintf(fp2,"bond_coeff %d %g %g\n",i,
			bond_harmonic_k[i],bond_harmonic_r0[i]);

			} else {
			printf("ERROR: Cannot write bond_style %s to input file\n",
			bond_style);
			exit(1);
			}
			}

			// angle coeffs to data file

			if (write_coeffs && angle_style && fp2 == NULL) {
			if ((strcmp(angle_style,"none") != 0) &&
			(strcmp(angle_style,"table") != 0) &&
			(strcmp(angle_style,"hybrid") != 0))
			fprintf(fp,"\nAngle Coeffs\n\n");

			if (strcmp(angle_style,"charmm") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			angle_charmm_k[i],angle_charmm_theta0[i]/PI*180.0,
			angle_charmm_k_ub[i],angle_charmm_r_ub[i]);

			} else if (strcmp(angle_style,"class2") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			angle_class2_theta0[i]/PI*180.0,angle_class2_k2[i],
			angle_class2_k3[i],angle_class2_k4[i]);

			fprintf(fp,"\nBondBond Coeffs\n\n");
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			angle_class2_bb_k[i],
			angle_class2_bb_r1[i],angle_class2_bb_r2[i]);

			fprintf(fp,"\nBondAngle Coeffs\n\n");
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			angle_class2_ba_k1[i],angle_class2_ba_k2[i],
			angle_class2_ba_r1[i],angle_class2_ba_r2[i]);

			} else if (strcmp(angle_style,"cosine") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g\n",i,angle_cosine_k[i]);

			} else if (strcmp(angle_style,"cosineshift") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g\n",i,angle_cosineshift_umin[i],
			angle_cosineshift_theta0[i]/PI*180.0);

			} else if (strcmp(angle_style,"cosineshiftexp") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,angle_cosineshiftexp_umin[i],
			angle_cosineshiftexp_theta0[i]/PI*180.0,
			angle_cosineshiftexp_a[i]);

			} else if ((strcmp(angle_style,"cosine/squared") == 0) \|\|
			(strcmp(angle_style,"cosine/delta") == 0)) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			angle_cosine_squared_k[i],
			angle_cosine_squared_theta0[i]/PI*180.0);

			} else if (strcmp(angle_style,"dipole") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			angle_harmonic_k[i],angle_harmonic_theta0[i]/PI*180.0);

			} else if (strcmp(angle_style,"harmonic") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			angle_harmonic_k[i],angle_harmonic_theta0[i]/PI*180.0);

			} else if ((strcmp(angle_style,"cg/cmm") == 0) \|\|
			(strcmp(angle_style,"sdk") == 0)) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,angle_harmonic_k[i],
			angle_harmonic_theta0[i]/PI*180.0,angle_cg_cmm_epsilon[i]);

			} else if (strcmp(angle_style,"cg/cmm/old") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp,"%d %g %g %s %g %g\n",i,
			angle_harmonic_k[i],angle_harmonic_theta0[i]/PI*180.0,
			cg_type_list[angle_cg_cmm_type[i]],angle_cg_cmm_epsilon[i],
			angle_cg_cmm_sigma[i]);
			}
			}

			// angle coeffs to input file
			// only supported styles = cosine/squared, harmonic, cg/cmm

			if (write_coeffs && angle_style && fp2) {
			if ((strcmp(angle_style,"cosine/squared") == 0) \|\|
			(strcmp(angle_style,"cosine/delta") == 0)) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp2,"angle_coeffs %d %g %g\n",i,
			angle_cosine_squared_k[i],
			angle_cosine_squared_theta0[i]/PI*180.0);

			} else if (strcmp(angle_style,"harmonic") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp2,"angle_coeffs %d %g %g\n",i,
			angle_harmonic_k[i],angle_harmonic_theta0[i]/PI*180.0);

			} else if ((strcmp(angle_style,"cg/cmm") == 0) \|\|
			(strcmp(angle_style,"sdk") == 0)) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp2,"angle_coeffs %d %g %g %g\n",i,angle_harmonic_k[i],
			angle_harmonic_theta0[i]/PI*180.0,angle_cg_cmm_epsilon[i]);

			} else if (strcmp(angle_style,"cg/cmm/old") == 0) {
			for (int i = 1; i <= nangletypes; i++)
			fprintf(fp2,"angle_coeffs %d %g %g %s %g %g\n",i,
			angle_harmonic_k[i],angle_harmonic_theta0[i]/PI*180.0,
			cg_type_list[angle_cg_cmm_type[i]],angle_cg_cmm_epsilon[i],
			angle_cg_cmm_sigma[i]);

			} else {
			printf("ERROR: Cannot write angle_style %s to input file\n",
			angle_style);
			exit(1);
			}
			}

			if (write_coeffs && dihedral_style) {
			if ((strcmp(dihedral_style,"none") != 0) &&
			(strcmp(dihedral_style,"table") != 0) &&
			(strcmp(dihedral_style,"hybrid") != 0))
			fprintf(fp,"\nDihedral Coeffs\n\n");

			if (strcmp(dihedral_style,"charmm") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %d %d %g\n",i,
			dihedral_charmm_k[i],dihedral_charmm_multiplicity[i],
			dihedral_charmm_sign[i],dihedral_charmm_weight[i]);

			} else if (strcmp(dihedral_style,"class2") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g %g %g %g\n",i,
			dihedral_class2_k1[i],
			dihedral_class2_phi1[i]/PI*180.0,
			dihedral_class2_k2[i],
			dihedral_class2_phi2[i]/PI*180.0,
			dihedral_class2_k3[i],
			dihedral_class2_phi3[i]/PI*180.0);

			fprintf(fp,"\nMiddleBondTorsion Coeffs\n\n");
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g %g\n",i,
			dihedral_class2_mbt_f1[i],dihedral_class2_mbt_f2[i],
			dihedral_class2_mbt_f3[i],dihedral_class2_mbt_r0[i]);

			fprintf(fp,"\nEndBondTorsion Coeffs\n\n");
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g %g %g %g %g %g\n",i,
			dihedral_class2_ebt_f1_1[i],dihedral_class2_ebt_f2_1[i],
			dihedral_class2_ebt_f3_1[i],
			dihedral_class2_ebt_f1_2[i],dihedral_class2_ebt_f2_2[i],
			dihedral_class2_ebt_f3_2[i],
			dihedral_class2_ebt_r0_1[i],
			dihedral_class2_ebt_r0_2[i]);

			fprintf(fp,"\nAngleTorsion Coeffs\n\n");
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g %g %g %g %g %g\n",i,
			dihedral_class2_at_f1_1[i],dihedral_class2_at_f2_1[i],
			dihedral_class2_at_f3_1[i],
			dihedral_class2_at_f1_2[i],dihedral_class2_at_f2_2[i],
			dihedral_class2_at_f3_2[i],
			dihedral_class2_at_theta0_1[i]/PI*180.0,
			dihedral_class2_at_theta0_2[i]/PI*180.0);

			fprintf(fp,"\nAngleAngleTorsion Coeffs\n\n");
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			dihedral_class2_aat_k[i],
			dihedral_class2_aat_theta0_1[i]/PI*180.0,
			dihedral_class2_aat_theta0_2[i]/PI*180.0);

			fprintf(fp,"\nBondBond13 Coeffs\n\n");
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			dihedral_class2_bb13_k[i],
			dihedral_class2_bb13_r10[i],dihedral_class2_bb13_r30[i]);

			} else if (strcmp(dihedral_style,"harmonic") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %d %d\n",i,
			dihedral_harmonic_k[i],dihedral_harmonic_multiplicity[i],
			dihedral_harmonic_sign[i]);

			} else if (strcmp(dihedral_style,"cosineshiftexp") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,
			dihedral_cosineshiftexp_umin[i],
			dihedral_cosineshiftexp_theta[i]*180.0/PI,
			dihedral_cosineshiftexp_a[i]
			);

			} else if (strcmp(dihedral_style,"helix") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g\n",i,dihedral_helix_aphi[i],
			dihedral_helix_bphi[i],dihedral_helix_cphi[i]);

			} else if (strcmp(dihedral_style,"multi/harmonic") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++)
			fprintf(fp,"%d %g %g %g %g %g\n",i,
			dihedral_multi_a1[i],dihedral_multi_a2[i],
			dihedral_multi_a3[i],dihedral_multi_a4[i],
			dihedral_multi_a5[i]);

			} else if (strcmp(dihedral_style,"opls") == 0) {
			for (int i = 1; i <= ndihedraltypes; i++) // restore factor of 2
			fprintf(fp,"%d %g %g %g %g\n",i,
			2.0dihedral_opls_k1[i],2.0dihedral_opls_k2[i],
			2.0dihedral_opls_k3[i],2.0dihedral_opls_k4[i]);
			}
			}

			if (write_coeffs && improper_style) {
			if ((strcmp(improper_style,"none") != 0) &&
			(strcmp(improper_style,"hybrid") != 0))
			fprintf(fp,"\nImproper Coeffs\n\n");

			if (strcmp(improper_style,"class2") == 0) {
			for (int i = 1; i <= nimpropertypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			improper_class2_k0[i],improper_class2_chi0[i]/PI*180.0);

			fprintf(fp,"\nAngleAngle Coeffs\n\n");
			for (int i = 1; i <= nimpropertypes; i++)
			fprintf(fp,"%d %g %g %g %g %g %g\n",i,
			improper_class2_aa_k1[i],improper_class2_aa_k2[i],
			improper_class2_aa_k3[i],
			improper_class2_aa_theta0_1[i]/PI*180.0,
			improper_class2_aa_theta0_2[i]/PI*180.0,
			improper_class2_aa_theta0_3[i]/PI*180.0);

			} else if (strcmp(improper_style,"cvff") == 0) {
			for (int i = 1; i <= nimpropertypes; i++)
			fprintf(fp,"%d %g %d %d\n",i,
			improper_cvff_k[i],improper_cvff_sign[i],
			improper_cvff_multiplicity[i]);

			} else if (strcmp(improper_style,"harmonic") == 0) {
			for (int i = 1; i <= nimpropertypes; i++)
			fprintf(fp,"%d %g %g\n",i,
			improper_harmonic_k[i],improper_harmonic_chi[i]/PI*180.0);
			}
			}

			if (natoms) {
			fprintf(fp,"\nAtoms\n\n");

			int ix,iy,iz;
			for (bigint i = 0; i < natoms; i++) {

			ix = (image[i] & IMGMASK) - IMGMAX;
			iy = (image[i] >> IMGBITS & IMGMASK) - IMGMAX;
			iz = (image[i] >> IMG2BITS) - IMGMAX;

			if (style_hybrid == 0) {
			if (style_angle) write_atom_angle(fp,i,ix,iy,iz);
			if (style_atomic) write_atom_atomic(fp,i,ix,iy,iz);
			if (style_bond) write_atom_bond(fp,i,ix,iy,iz);
			if (style_charge) write_atom_charge(fp,i,ix,iy,iz);
			if (style_dipole) write_atom_dipole(fp,i,ix,iy,iz);
			if (style_ellipsoid) write_atom_ellipsoid(fp,i,ix,iy,iz);
			if (style_full) write_atom_full(fp,i,ix,iy,iz);
			if (style_line) write_atom_line(fp,i,ix,iy,iz);
			if (style_meso) write_atom_meso(fp,i,ix,iy,iz);
			if (style_molecular) write_atom_molecular(fp,i,ix,iy,iz);
			if (style_peri) write_atom_peri(fp,i,ix,iy,iz);
			if (style_sphere) write_atom_sphere(fp,i,ix,iy,iz);
			if (style_tri) write_atom_tri(fp,i,ix,iy,iz);
			if (style_wavepacket) write_atom_wavepacket(fp,i,ix,iy,iz);
			fprintf(fp,"\n");

			} else {
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e",
			tag[i],type[i],x[i],y[i],z[i]);
			for (int k = 1; k <= style_hybrid; k++) {
			if (k == style_angle) write_atom_angle_extra(fp,i);
			if (k == style_atomic) write_atom_atomic_extra(fp,i);
			if (k == style_bond) write_atom_bond_extra(fp,i);
			if (k == style_charge) write_atom_charge_extra(fp,i);
			if (k == style_dipole) write_atom_dipole_extra(fp,i);
			if (k == style_ellipsoid) write_atom_ellipsoid_extra(fp,i);
			if (k == style_full) write_atom_full_extra(fp,i);
			if (k == style_line) write_atom_line_extra(fp,i);
			if (k == style_meso) write_atom_meso_extra(fp,i);
			if (k == style_molecular) write_atom_molecular_extra(fp,i);
			if (k == style_peri) write_atom_peri_extra(fp,i);
			if (k == style_sphere) write_atom_sphere_extra(fp,i);
			if (k == style_tri) write_atom_tri_extra(fp,i);
			if (k == style_wavepacket) write_atom_wavepacket_extra(fp,i);
			}
			fprintf(fp," %d %d %d\n",ix,iy,iz);
			}
			}
			}

			if (write_vels && natoms) {
			fprintf(fp,"\nVelocities\n\n");
			for (bigint i = 0; i < natoms; i++)

			if (style_hybrid == 0) {
			if (style_angle) write_vel_angle(fp,i);
			if (style_atomic) write_vel_atomic(fp,i);
			if (style_bond) write_vel_bond(fp,i);
			if (style_charge) write_vel_charge(fp,i);
			if (style_dipole) write_vel_dipole(fp,i);
			if (style_ellipsoid) write_vel_ellipsoid(fp,i);
			if (style_full) write_vel_full(fp,i);
			if (style_line) write_vel_line(fp,i);
			if (style_meso) write_vel_meso(fp,i);
			if (style_molecular) write_vel_molecular(fp,i);
			if (style_peri) write_vel_peri(fp,i);
			if (style_sphere) write_vel_sphere(fp,i);
			if (style_tri) write_vel_tri(fp,i);
			if (style_wavepacket) write_vel_wavepacket(fp,i);
			fprintf(fp,"\n");

			} else {
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			for (int k = 1; k <= style_hybrid; k++) {
			if (k == style_angle) write_vel_angle_extra(fp,i);
			if (k == style_atomic) write_vel_atomic_extra(fp,i);
			if (k == style_bond) write_vel_bond_extra(fp,i);
			if (k == style_charge) write_vel_charge_extra(fp,i);
			if (k == style_dipole) write_vel_dipole_extra(fp,i);
			if (k == style_ellipsoid) write_vel_ellipsoid_extra(fp,i);
			if (k == style_full) write_vel_full_extra(fp,i);
			if (k == style_line) write_vel_line_extra(fp,i);
			if (k == style_meso) write_vel_meso_extra(fp,i);
			if (k == style_molecular) write_vel_molecular_extra(fp,i);
			if (k == style_peri) write_vel_peri_extra(fp,i);
			if (k == style_sphere) write_vel_sphere_extra(fp,i);
			if (k == style_tri) write_vel_tri_extra(fp,i);
			if (k == style_wavepacket) write_vel_wavepacket_extra(fp,i);
			}
			fprintf(fp,"\n");
			}
			}

			if (nellipsoids) {
			fprintf(fp,"\nEllipsoids\n\n");
			for (bigint i = 0; i < natoms; i++) {
			if (ellipsoid[i])
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e "
			"%-1.16e %-1.16e %-1.16e %-1.16e \n",
			tag[i],2.0shapex[i],2.0shapey[i],2.0*shapez[i],
			quatw[i],quati[i],quatj[i],quatk[i]);
			}
			}

			if (ibonds) {
			fprintf(fp,"\nBonds\n\n");
			for (bigint i = 0; i < ibonds; i++)
			fprintf(fp,BIGINT_FORMAT " %d %d %d\n",
			i+1,bond_type[i],bond_atom1[i],bond_atom2[i]);
			}

			if (iangles) {
			fprintf(fp,"\nAngles\n\n");
			for (bigint i = 0; i < iangles; i++)
			fprintf(fp,BIGINT_FORMAT " %d %d %d %d\n",
			i+1,angle_type[i],angle_atom1[i],angle_atom2[i],angle_atom3[i]);
			}

			if (idihedrals) {
			fprintf(fp,"\nDihedrals\n\n");
			for (bigint i = 0; i < idihedrals; i++)
			fprintf(fp,BIGINT_FORMAT " %d %d %d %d %d\n",
			i+1,dihedral_type[i],dihedral_atom1[i],dihedral_atom2[i],
			dihedral_atom3[i],dihedral_atom4[i]);
			}

			if (iimpropers) {
			fprintf(fp,"\nImpropers\n\n");
			for (bigint i = 0; i < iimpropers; i++)
			fprintf(fp,BIGINT_FORMAT " %d %d %d %d %d\n",
			i+1,improper_type[i],improper_atom1[i],improper_atom2[i],
			improper_atom3[i],improper_atom4[i]);
			}
			}

			// ---------------------------------------------------------------------
			// per-atom write routines
			// one routine per atom style
			// ---------------------------------------------------------------------

			void Data::write_atom_angle(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %d %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],molecule[i],type[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_atomic(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],type[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_bond(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %d %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],molecule[i],type[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_charge(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],type[i],q[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_dipole(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e "
			"%-1.16e %-1.16e %d %d %d",
			tag[i],type[i],q[i],x[i],y[i],z[i],
			mul[i]mux[i],mul[i]muy[i],mul[i]*muz[i],
			ix,iy,iz);
			}

			void Data::write_atom_ellipsoid(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %d %-1.16e %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],type[i],ellipsoid[i],density[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_full(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %d %-1.16e %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],molecule[i],type[i],q[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_line(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(stderr,"support for atom style line is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_meso(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(stderr,"support for atom style meso is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_molecular(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %d %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],molecule[i],type[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_peri(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],type[i],vfrac[i],rmass[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_sphere(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(fp,"%d %d %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e %d %d %d",
			tag[i],type[i],2.0*radius[i],density[i],x[i],y[i],z[i],ix,iy,iz);
			}

			void Data::write_atom_tri(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(stderr,"support for atom style tri is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_wavepacket(FILE *fp, int i, int ix, int iy, int iz)
			{
			fprintf(stderr,"support for atom style wavepacket is not yet complete\n");
			exit(1);
			}

			// ---------------------------------------------------------------------
			// per-atom write routines of extra quantities unique to style
			// one routine per atom style
			// ---------------------------------------------------------------------

			void Data::write_atom_angle_extra(FILE *fp, int i)
			{
			fprintf(fp," %d",molecule[i]);
			}

			void Data::write_atom_atomic_extra(FILE *fp, int i) {}

			void Data::write_atom_bond_extra(FILE *fp, int i)
			{
			fprintf(fp," %d",molecule[i]);
			}

			void Data::write_atom_charge_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e",q[i]);
			}

			void Data::write_atom_dipole_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e %-1.16e %-1.16e %-1.16e",q[i],
			mul[i]mux[i],mul[i]muy[i],mul[i]*muz[i]);
			}

			void Data::write_atom_ellipsoid_extra(FILE *fp, int i)
			{
			fprintf(fp," %d %-1.16e",ellipsoid[i],density[i]);
			}

			void Data::write_atom_full_extra(FILE *fp, int i)
			{
			fprintf(fp," %d %-1.16e",molecule[i],q[i]);
			}

			void Data::write_atom_line_extra(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style line is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_meso_extra(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style meso is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_molecular_extra(FILE *fp, int i)
			{
			fprintf(fp," %d",molecule[i]);
			}

			void Data::write_atom_peri_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e %-1.16e",vfrac[i],rmass[i]);
			}

			void Data::write_atom_sphere_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e %-1.16e",2.0*radius[i],density[i]);
			}

			void Data::write_atom_tri_extra(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style tri is not yet complete\n");
			exit(1);
			}

			void Data::write_atom_wavepacket_extra(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style wavepacket is not yet complete\n");
			exit(1);
			}

			// ---------------------------------------------------------------------
			// per-atom velocity write routines
			// one routine per atom style
			// ---------------------------------------------------------------------

			void Data::write_vel_angle(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_atomic(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_bond(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_charge(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_dipole(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_ellipsoid(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e",
			tag[i],vx[i],vy[i],vz[i],angmomx[i],angmomy[i],angmomz[i]);
			}

			void Data::write_vel_full(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_line(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style line is not yet complete\n");
			exit(1);
			}

			void Data::write_vel_meso(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style meso is not yet complete\n");
			exit(1);
			}

			void Data::write_vel_molecular(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_peri(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e",tag[i],vx[i],vy[i],vz[i]);
			}

			void Data::write_vel_sphere(FILE *fp, int i)
			{
			fprintf(fp,"%d %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e %-1.16e",
			tag[i],vx[i],vy[i],vz[i],omegax[i],omegay[i],omegaz[i]);
			}

			void Data::write_vel_tri(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style tri is not yet complete\n");
			exit(1);
			}

			void Data::write_vel_wavepacket(FILE *fp, int i)
			{
			fprintf(stderr,"support for atom style wavepacket is not yet complete\n");
			exit(1);
			}

			// ---------------------------------------------------------------------
			// per-atom velocity write routines of extra quantities unique to style
			// one routine per atom style
			// ---------------------------------------------------------------------

			void Data::write_vel_angle_extra(FILE *fp, int i) {}
			void Data::write_vel_atomic_extra(FILE *fp, int i) {}
			void Data::write_vel_bond_extra(FILE *fp, int i) {}
			void Data::write_vel_charge_extra(FILE *fp, int i) {}
			void Data::write_vel_dipole_extra(FILE *fp, int i) {}

			void Data::write_vel_ellipsoid_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e %-1.16e %-1.16e",angmomx[i],angmomy[i],angmomz[i]);
			}

			void Data::write_vel_full_extra(FILE *fp, int i) {}
			void Data::write_vel_line_extra(FILE *fp, int i) {}
			void Data::write_vel_meso_extra(FILE *fp, int i) {}

			void Data::write_vel_molecular_extra(FILE *fp, int i) {}
			void Data::write_vel_peri_extra(FILE *fp, int i) {}
			void Data::write_vel_sphere_extra(FILE *fp, int i)
			{
			fprintf(fp," %-1.16e %-1.16e %-1.16e",omegax[i],omegay[i],omegaz[i]);
			}
			void Data::write_vel_tri_extra(FILE *fp, int i) {}
			void Data::write_vel_wavepacket_extra(FILE *fp, int i) {}


			// ---------------------------------------------------------------------
			// strip known accelerator suffixes from style name
			// ---------------------------------------------------------------------

			void strip_suffix(char *style)
			{
			char *slash = strrchr(style,'/');
			if (slash == NULL) return;

			int i=0;

			const char *suffix_list[] = { "/opt", "/gpu", "/cuda", "/omp", NULL };
			const char *suffix = suffix_list[0];
			while (suffix != NULL) {
			if (strcmp(slash,suffix) == 0) {
			*slash = '\0';
			return;
			}
			++i;
			suffix = suffix_list[i];
			}
			}

			// ---------------------------------------------------------------------
			// binary reads from restart file
			// all are wrappers on fread()
			// perform endian swap if swapflag is set
			// ---------------------------------------------------------------------

			void nread_int(int buf, int n, FILE fp)
			{
			fread(buf,sizeof(int),n,fp);
			if (swapflag) {}
			}

			void nread_double(double buf, int n, FILE fp)
			{
			fread(buf,sizeof(double),n,fp);
			if (swapflag) {}
			}

			int read_int(FILE *fp)
			{
			int value;
			fread(&value,sizeof(int),1,fp);
			if (swapflag) {}
			return value;
			}

			double read_double(FILE *fp)
			{
			double value;
			fread(&value,sizeof(double),1,fp);
			if (swapflag) {}
			return value;
			}

			char read_char(FILE fp)
			{
			int n;
			fread(&n,sizeof(int),1,fp);
			if (swapflag) {}
			if (n == 0) return NULL;
			char *value = new char[n];
			fread(value,sizeof(char),n,fp);
			if (swapflag) {}
			return value;
			}

			bigint read_bigint(FILE *fp)
			{
			bigint value;
			fread(&value,sizeof(bigint),1,fp);
			if (swapflag) {}
			return value;
			}

			// ---------------------------------------------------------------------
			// auto-detect if restart file needs to be byte-swapped on this platform
			// return 0 if not, 1 if it does
			// re-open file with fp after checking first few bytes
			// ---------------------------------------------------------------------

			int autodetect(FILE *pfp, char file)
			{
			FILE fp = pfp;

			// read, check, set return flag

			int flag = 0;

			// reset file pointer

			fclose(fp);
			fp = fopen(file,"rb");
			*pfp = fp;

			return flag;
			}

lammps/tools/restart2data.cpp14df2cfca11fmaster

restart2data.cppView Options

lammps/tools/restart2data.cpp
14df2cfca11fmaster

restart2data.cpp
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