diff --git a/src/fix_adapt.cpp b/src/fix_adapt.cpp
index 2852018ab..9f63f0172 100644
--- a/src/fix_adapt.cpp
+++ b/src/fix_adapt.cpp
@@ -1,220 +1,222 @@
 /* ----------------------------------------------------------------------
    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
    http://lammps.sandia.gov, Sandia National Laboratories
    Steve Plimpton, sjplimp@sandia.gov
 
    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.
 ------------------------------------------------------------------------- */
 
 #include "math.h"
 #include "string.h"
 #include "stdlib.h"
 #include "fix_adapt.h"
 #include "atom.h"
+#include "update.h"
+#include "modify.h"
 #include "force.h"
 #include "pair.h"
 #include "input.h"
 #include "variable.h"
 #include "error.h"
 
 using namespace LAMMPS_NS;
 
 enum{PAIR,ATOM};
 enum{DIAMETER};
 
 /* ---------------------------------------------------------------------- */
 
 FixAdapt::FixAdapt(LAMMPS *lmp, int narg, char **arg) : Fix(lmp, narg, arg)
 {
   if (narg < 4) error->all("Illegal fix adapt command");
   nevery = atoi(arg[3]);
   if (nevery <= 0) error->all("Illegal fix adapt command");
 
   // count # of adaptations
 
   nadapt = 0;
 
   int iarg = 4;
   while (iarg < narg) {
     if (strcmp(arg[iarg],"pair") == 0) {
       if (iarg+6 > narg) error->all("Illegal fix adapt command");
       nadapt++;
       iarg += 6;
     } else if (strcmp(arg[iarg],"atom") == 0) {
       if (iarg+3 > narg) error->all("Illegal fix adapt command");
       nadapt++;
       iarg += 3;
     } else error->all("Illegal fix adapt command");
   }
 
   // allocate per-adapt vectors
 
   which = new int[nadapt];
   pair = new char*[nadapt];
   param = new char*[nadapt];
   ilo = new int[nadapt];
   ihi = new int[nadapt];
   jlo = new int[nadapt];
   jhi = new int[nadapt];
   var = new char*[nadapt];
   ivar = new int[nadapt];
   pairptr = new Pair*[nadapt];
   pairindex = new int[nadapt];
   awhich = new int[nadapt];
 
   // parse keywords
 
   nadapt = 0;
 
   iarg = 4;
   while (iarg < narg) {
     if (strcmp(arg[iarg],"pair") == 0) {
       if (iarg+6 > narg) error->all("Illegal fix adapt command");
       which[nadapt] = PAIR;
       int n = strlen(arg[iarg+1]) + 1;
       pair[nadapt] = new char[n];
       strcpy(pair[nadapt],arg[iarg+1]);
       n = strlen(arg[iarg+2]) + 1;
       param[nadapt] = new char[n];
       strcpy(param[nadapt],arg[iarg+2]);
       force->bounds(arg[iarg+3],atom->ntypes,ilo[nadapt],ihi[nadapt]);
       force->bounds(arg[iarg+4],atom->ntypes,jlo[nadapt],jhi[nadapt]);
       n = strlen(arg[iarg+5]) + 1;
       var[nadapt] = new char[n];
       strcpy(var[nadapt],arg[iarg+5]);
       nadapt++;
       iarg += 6;
     } else if (strcmp(arg[iarg],"atom") == 0) {
       if (iarg+3 > narg) error->all("Illegal fix adapt command");
       which[nadapt] = ATOM;
       int n = strlen(arg[iarg+1]) + 1;
       param[nadapt] = new char[n];
       strcpy(param[nadapt],arg[iarg+1]);
       n = strlen(arg[iarg+2]) + 1;
       var[nadapt] = new char[n];
       strcpy(var[nadapt],arg[iarg+2]);
       nadapt++;
       iarg += 3;
     } else error->all("Illegal fix adapt command");
   }
 }
 
 /* ---------------------------------------------------------------------- */
 
 FixAdapt::~FixAdapt()
 {
   for (int i = 0; i < nadapt; i++) {
     if (which[i] == PAIR) delete [] pair[i];
     delete [] param[i];
     delete [] var[i];
   }
   delete [] which;
   delete [] pair;
   delete [] param;
   delete [] ilo;
   delete [] ihi;
   delete [] jlo;
   delete [] jhi;
   delete [] var;
   delete [] ivar;
   delete [] pairptr;
   delete [] pairindex;
   delete [] awhich;
 }
 
 /* ---------------------------------------------------------------------- */
 
 int FixAdapt::setmask()
 {
   int mask = 0;
   mask |= PRE_FORCE;
   return mask;
 }
 
 /* ---------------------------------------------------------------------- */
 
 void FixAdapt::init()
 {
   // error checks
 
   for (int m = 0; m < nadapt; m++) {
     if (which[m] == PAIR) {
       pairptr[m] = force->pair_match(pair[m],1);
       if (pairptr[m] == NULL) 
 	error->all("Fix adapt pair style does not exist");
       pairindex[m] = 
 	pairptr[m]->pre_adapt(param[m],ilo[m],ihi[m],jlo[m],jhi[m]);
       if (pairindex[m] == -1)
 	error->all("Fix adapt pair parameter is not recognized");
       if (pairindex[m] == -2)
 	error->all("Fix adapt pair types are not valid");
 
     } else if (which[m] == ATOM) {
       if (strcmp(param[m],"diameter") == 0) {
 	awhich[m] = DIAMETER;
 	if (!atom->radius_flag)
 	  error->all("Fix adapt requires atom attribute radius");
       } else error->all("Fix adapt atom attribute is not recognized");
     }
 
     ivar[m] = input->variable->find(var[m]);
     if (ivar[m] < 0) error->all("Variable name for fix adapt does not exist");
     if (!input->variable->equalstyle(ivar[m]))
       error->all("Variable for fix adapt is not equal style");
   }
 
   // set params to values for initial force calculation
   // needs to happen here in init() instead of setup()
   // because modify->setup() is called after pre-Verlet forces are computed
 
   pre_force(0);
 }
 
 /* ---------------------------------------------------------------------- */
 
 void FixAdapt::pre_force(int vflag)
 {
   if (update->ntimestep % nevery) return;
 
   // variable evaluation may invoke computes so wrap with clear/add
 
   modify->clearstep_compute();
 
   for (int m = 0; m < nadapt; m++) {
     double value = input->variable->compute_equal(ivar[m]);
 
     if (which[m] == PAIR)
       pairptr[m]->adapt(pairindex[m],ilo[m],ihi[m],jlo[m],jhi[m],value);
 
     else if (which[m] == ATOM) {
 
       // set radius from diameter
       // set rmass if both rmass and density are defined
 
       if (awhich[m] == DIAMETER) {
 	int mflag = 0;
 	if (atom->rmass_flag && atom->density_flag) mflag = 1;
 	double PI = 4.0*atan(1.0);
 
 	double *radius = atom->radius;
 	double *rmass = atom->rmass;
 	double *density = atom->density;
 	int *mask = atom->mask;
 	int nlocal = atom->nlocal;
 
 	for (int i = 0; i < nlocal; i++)
 	  if (mask[i] & groupbit) {
 	    radius[i] = 0.5*value;
 	    rmass[i] = 4.0*PI/3.0 * radius[i]*radius[i]*radius[i] * density[i];
 	  }
       }
     }
   }
 
   modify->addstep_compute(update->ntimestep + nevery);
 }