aka_common.hh
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aka_common.hh
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	/**
	* @file aka_common.hh
	*
	* @author Nicolas Richart <nicolas.richart@epfl.ch>
	*
	* @date creation: Mon Jun 14 2010
	* @date last modification: Thu Jan 21 2016
	*
	* @brief common type descriptions for akantu
	*
	* @section LICENSE
	*
	* Copyright (©) 2010-2012, 2014, 2015 EPFL (Ecole Polytechnique Fédérale de
	* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
	* Solides)
	*
	* Akantu is free software: you can redistribute it and/or modify it under the
	* terms of the GNU Lesser General Public License as published by the Free
	* Software Foundation, either version 3 of the License, or (at your option) any
	* later version.
	*
	* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
	* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	* details.
	*
	* You should have received a copy of the GNU Lesser General Public License
	* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
	*
	* @section DESCRIPTION
	*
	* All common things to be included in the projects files
	*
	*/

	/* -------------------------------------------------------------------------- */

	#ifndef __AKANTU_COMMON_HH__
	#define __AKANTU_COMMON_HH__

	/* -------------------------------------------------------------------------- */
	#include <list>
	#include <limits>

	/* -------------------------------------------------------------------------- */
	#define __BEGIN_AKANTU__ namespace akantu {
	#define __END_AKANTU__ }
	/* -------------------------------------------------------------------------- */
	#define __BEGIN_AKANTU_DUMPER__ namespace dumper {
	#define __END_AKANTU_DUMPER__ }
	/* -------------------------------------------------------------------------- */
	#if defined(WIN32)
	# define __attribute__(x)
	#endif

	/* -------------------------------------------------------------------------- */
	#include "aka_config.hh"
	#include "aka_error.hh"
	#include "aka_safe_enum.hh"
	/* -------------------------------------------------------------------------- */

	__BEGIN_AKANTU__

	/* -------------------------------------------------------------------------- */
	/* Common types */
	/* -------------------------------------------------------------------------- */
	typedef std::string ID;

	static const Real UINT_INIT_VALUE = Real(0.);
	#ifdef AKANTU_NDEBUG
	static const Real REAL_INIT_VALUE = Real(0.);
	#else
	static const Real REAL_INIT_VALUE = std::numeric_limits<Real>::quiet_NaN();
	#endif

	/* -------------------------------------------------------------------------- */
	/* Memory types */
	/* -------------------------------------------------------------------------- */

	typedef UInt MemoryID;


	typedef std::string Surface;
	typedef std::pair<Surface, Surface> SurfacePair;
	typedef std::list< SurfacePair > SurfacePairList;

	/* -------------------------------------------------------------------------- */
	extern const UInt _all_dimensions;


	/* -------------------------------------------------------------------------- */
	/* Mesh/FEM/Model types */
	/* -------------------------------------------------------------------------- */
	__END_AKANTU__

	#include "aka_element_classes_info.hh"

	__BEGIN_AKANTU__


	/// small help to use names for directions
	enum SpacialDirection {
	_x = 0,
	_y = 1,
	_z = 2
	};

	/// enum MeshIOType type of mesh reader/writer
	enum MeshIOType {
	_miot_auto, ///< Auto guess of the reader to use based on the extension
	_miot_gmsh, ///< Gmsh files
	_miot_gmsh_struct, ///< Gsmh reader with reintpretation of elements has structures elements
	_miot_diana, ///< TNO Diana mesh format
	_miot_abaqus ///< Abaqus mesh format
	};

	/// enum AnalysisMethod type of solving method used to solve the equation of motion
	enum AnalysisMethod {
	_static,
	_implicit_dynamic,
	_explicit_lumped_mass,
	_explicit_lumped_capacity,
	_explicit_consistent_mass
	};

	//! enum ContactResolutionMethod types of solving for the contact
	enum ContactResolutionMethod {
	_penalty,
	_lagrangian,
	_augmented_lagrangian,
	_nitsche,
	_mortar
	};

	//! enum ContactImplementationMethod types for different contact implementations
	enum ContactImplementationMethod {
	_none,
	_uzawa,
	_generalized_newton
	};

	/// enum SolveConvergenceMethod different resolution algorithms
	enum SolveConvergenceMethod {
	_scm_newton_raphson_tangent, ///< Newton-Raphson with tangent matrix
	_scm_newton_raphson_tangent_modified, ///< Newton-Raphson with constant tangent matrix
	_scm_newton_raphson_tangent_not_computed ///< Newton-Raphson with constant tangent matrix (user has to assemble it)
	};

	/// enum SolveConvergenceCriteria different convergence criteria
	enum SolveConvergenceCriteria {
	_scc_residual, ///< Use residual to test the convergence
	_scc_increment, ///< Use increment to test the convergence
	_scc_residual_mass_wgh ///< Use residual weighted by inv. nodal mass to testb
	};

	/// enum CohesiveMethod type of insertion of cohesive elements
	enum CohesiveMethod {
	_intrinsic,
	_extrinsic
	};

	/// myfunction(double * position, double * stress/force, double * normal, unsigned int material_id)
	typedef void (BoundaryFunction)(double ,double , double, unsigned int);

	/// @enum BoundaryFunctionType type of function passed for boundary conditions
	enum BoundaryFunctionType {
	_bft_stress,
	_bft_traction,
	_bft_traction_local
	};

	/// @enum SparseMatrixType type of sparse matrix used
	enum SparseMatrixType {
	_unsymmetric,
	_symmetric
	};

	/* -------------------------------------------------------------------------- */
	/* Contact */
	/* -------------------------------------------------------------------------- */
	typedef ID ContactID;
	typedef ID ContactSearchID;
	typedef ID ContactNeighborStructureID;

	enum ContactType {
	_ct_not_defined = 0,
	_ct_2d_expli = 1,
	_ct_3d_expli = 2,
	_ct_rigid = 3
	};

	enum ContactSearchType {
	_cst_not_defined = 0,
	_cst_2d_expli = 1,
	_cst_expli = 2
	};

	enum ContactNeighborStructureType {
	_cnst_not_defined = 0,
	_cnst_regular_grid = 1,
	_cnst_2d_grid = 2
	};

	/* -------------------------------------------------------------------------- */
	/* Friction */
	/* -------------------------------------------------------------------------- */
	typedef ID FrictionID;

	/* -------------------------------------------------------------------------- */
	/* Ghosts handling */
	/* -------------------------------------------------------------------------- */

	typedef ID SynchronizerID;

	/// @enum CommunicatorType type of communication method to use
	enum CommunicatorType {
	_communicator_mpi,
	_communicator_dummy
	};

	/// @enum SynchronizationTag type of synchronizations
	enum SynchronizationTag {
	//--- SolidMechanicsModel tags ---
	_gst_smm_mass, //< synchronization of the SolidMechanicsModel.mass
	_gst_smm_for_gradu, //< synchronization of the SolidMechanicsModel.displacement
	_gst_smm_boundary, //< synchronization of the boundary, forces, velocities and displacement
	_gst_smm_uv, //< synchronization of the nodal velocities and displacement
	_gst_smm_res, //< synchronization of the nodal residual
	_gst_smm_init_mat, //< synchronization of the data to initialize materials
	_gst_smm_stress, //< synchronization of the stresses to compute the internal forces
	_gst_smmc_facets, //< synchronization of facet data to setup facet synch
	_gst_smmc_facets_conn, //< synchronization of facet global connectivity
	_gst_smmc_facets_stress, //< synchronization of facets' stress to setup facet synch
	_gst_smmc_damage, //< synchronization of damage
	//--- GlobalIdsUpdater tags ---
	_gst_giu_global_conn, //< synchronization of global connectivities
	//--- CohesiveElementInserter tags ---
	_gst_ce_groups, //< synchronization of cohesive element insertion depending on facet groups
	//--- GroupManager tags ---
	_gst_gm_clusters, //< synchronization of clusters
	//--- HeatTransfer tags ---
	_gst_htm_capacity, //< synchronization of the nodal heat capacity
	_gst_htm_temperature, //< synchronization of the nodal temperature
	_gst_htm_gradient_temperature, //< synchronization of the element gradient temperature
	//--- LevelSet tags ---
	/// synchronization of the nodal level set value phi
	_gst_htm_phi,
	/// synchronization of the element gradient phi
	_gst_htm_gradient_phi,
	//--- Material non local ---
	_gst_mnl_for_average, //< synchronization of data to average in non local material
	_gst_mnl_weight, //< synchronization of data for the weight computations
	//--- NeighborhoodSynchronization tags ---
	_gst_nh_criterion,
	//--- General tags ---
	_gst_test, //< Test tag
	_gst_user_1, //< tag for user simulations
	_gst_user_2, //< tag for user simulations
	_gst_material_id, //< synchronization of the material ids
	_gst_for_dump, //< everything that needs to be synch before dump
	//--- Contact & Friction ---
	_gst_cf_nodal, //< synchronization of disp, velo, and current position
	_gst_cf_incr, //< synchronization of increment
	///--- Solver tags ---
	_gst_solver_solution //< synchronization of the solution obained with the PETSc solver
	};

	/// standard output stream operator for SynchronizationTag
	inline std::ostream & operator <<(std::ostream & stream, SynchronizationTag type);

	/// @enum GhostType type of ghost
	enum GhostType {
	_not_ghost,
	_ghost,
	_casper // not used but a real cute ghost
	};

	/* -------------------------------------------------------------------------- */
	struct GhostType_def {
	typedef GhostType type;
	static const type _begin_ = _not_ghost;
	static const type _end_ = _casper;
	};

	typedef safe_enum<GhostType_def> ghost_type_t;

	/// standard output stream operator for GhostType
	inline std::ostream & operator <<(std::ostream & stream, GhostType type);


	/// @enum SynchronizerOperation reduce operation that the synchronizer can perform
	enum SynchronizerOperation {
	_so_sum,
	_so_min,
	_so_max,
	_so_prod,
	_so_land,
	_so_band,
	_so_lor,
	_so_bor,
	_so_lxor,
	_so_bxor,
	_so_min_loc,
	_so_max_loc,
	_so_null
	};


	/* -------------------------------------------------------------------------- */
	/* Global defines */
	/* -------------------------------------------------------------------------- */
	#define AKANTU_MIN_ALLOCATION 2000

	#define AKANTU_INDENT " "
	#define AKANTU_INCLUDE_INLINE_IMPL

	/* -------------------------------------------------------------------------- */
	// int 2 type construct
	template <int d>
	struct Int2Type {
	enum { result = d };
	};

	// type 2 type construct
	template <class T>
	class Type2Type {
	typedef T OriginalType;
	};

	/* -------------------------------------------------------------------------- */
	template<class T>
	struct is_scalar {
	enum{ value = false };
	};

	#define AKANTU_SPECIFY_IS_SCALAR(type) \
	template<> \
	struct is_scalar<type> { \
	enum { value = true }; \
	}


	AKANTU_SPECIFY_IS_SCALAR(Real);
	AKANTU_SPECIFY_IS_SCALAR(UInt);
	AKANTU_SPECIFY_IS_SCALAR(Int);
	AKANTU_SPECIFY_IS_SCALAR(bool);

	template < typename T1, typename T2 >
	struct is_same {
	enum { value = false }; // is_same represents a bool.
	};

	template < typename T >
	struct is_same<T, T> {
	enum { value = true };
	};

	/* -------------------------------------------------------------------------- */
	#define AKANTU_SET_MACRO(name, variable, type) \
	inline void set##name (type variable) { \
	this->variable = variable; \
	}

	#define AKANTU_GET_MACRO(name, variable, type) \
	inline type get##name () const { \
	return variable; \
	}

	#define AKANTU_GET_MACRO_NOT_CONST(name, variable, type) \
	inline type get##name () { \
	return variable; \
	}

	#define AKANTU_GET_MACRO_BY_SUPPORT_TYPE(name, variable, type, \
	support, con) \
	inline con Array<type> & \
	get##name (const support & el_type, \
	const GhostType & ghost_type = _not_ghost) con { \
	return variable(el_type, ghost_type); \
	}

	#define AKANTU_GET_MACRO_BY_ELEMENT_TYPE(name, variable, type) \
	AKANTU_GET_MACRO_BY_SUPPORT_TYPE(name, variable, type, ElementType,)
	#define AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(name, variable, type) \
	AKANTU_GET_MACRO_BY_SUPPORT_TYPE(name, variable, type, ElementType, const)

	#define AKANTU_GET_MACRO_BY_GEOMETRIE_TYPE(name, variable, type) \
	AKANTU_GET_MACRO_BY_SUPPORT_TYPE(name, variable, type, GeometricalType,)
	#define AKANTU_GET_MACRO_BY_GEOMETRIE_TYPE_CONST(name, variable, type) \
	AKANTU_GET_MACRO_BY_SUPPORT_TYPE(name, variable, type, GeometricalType, const)

	/* -------------------------------------------------------------------------- */
	/// initialize the static part of akantu
	void initialize(int & argc, char ** & argv);
	/// initialize the static part of akantu and read the global input_file
	void initialize(const std::string & input_file, int & argc, char ** & argv);
	/* -------------------------------------------------------------------------- */
	/// finilize correctly akantu and clean the memory
	void finalize ();
	/* -------------------------------------------------------------------------- */
	/// Read an new input file
	void readInputFile(const std::string & input_file);
	/* -------------------------------------------------------------------------- */


	/*
	* For intel compiler annoying remark
	*/
	#if defined(__INTEL_COMPILER)
	/// remark #981: operands are evaluated in unspecified order
	#pragma warning ( disable : 981 )

	/// remark #383: value copied to temporary, reference to temporary used
	#pragma warning ( disable : 383 )

	#endif //defined(__INTEL_COMPILER)

	/* -------------------------------------------------------------------------- */
	/* string manipulation */
	/* -------------------------------------------------------------------------- */
	inline std::string to_lower(const std::string & str);
	/* -------------------------------------------------------------------------- */
	inline std::string trim(const std::string & to_trim);
	/* -------------------------------------------------------------------------- */

	/* -------------------------------------------------------------------------- */
	/// give a string representation of the a human readable size in bit
	template<typename T>
	std::string printMemorySize(UInt size);
	/* -------------------------------------------------------------------------- */


	__END_AKANTU__

	#include "aka_fwd.hh"

	__BEGIN_AKANTU__

	/// get access to the internal argument parser
	cppargparse::ArgumentParser & getStaticArgumentParser();

	/// get access to the internal input file parser
	Parser & getStaticParser();

	/// get access to the user part of the internal input file parser
	const ParserSection & getUserParser();

	__END_AKANTU__

	#include "aka_common_inline_impl.cc"

	/* -------------------------------------------------------------------------- */

	#if defined(AKANTU_UNORDERED_MAP_IS_CXX11)

	__BEGIN_AKANTU_UNORDERED_MAP__

	#if AKANTU_INTEGER_SIZE == 4
	#define AKANTU_HASH_COMBINE_MAGIC_NUMBER 0x9e3779b9
	#elif AKANTU_INTEGER_SIZE == 8
	#define AKANTU_HASH_COMBINE_MAGIC_NUMBER 0x9e3779b97f4a7c13LL
	#endif

	/**
	* Hashing function for pairs based on hash_combine from boost The magic number
	* is coming from the golden number @f[\phi = \frac{1 + \sqrt5}{2}@f]
	* @f[\frac{2^32}{\phi} = 0x9e3779b9@f]
	* http://stackoverflow.com/questions/4948780/magic-number-in-boosthash-combine
	* http://burtleburtle.net/bob/hash/doobs.html
	*/
	template <typename a, typename b> struct hash< std::pair<a, b> > {
	public:
	hash() : ah(), bh() {}
	size_t operator()(const std::pair<a, b> & p) const {
	size_t seed = ah(p.first);
	return bh(p.second) + AKANTU_HASH_COMBINE_MAGIC_NUMBER + (seed << 6) +
	(seed >> 2);
	}

	private:
	const hash<a> ah;
	const hash<b> bh;
	};

	__END_AKANTU_UNORDERED_MAP__

	#endif


	#endif /* __AKANTU_COMMON_HH__ */

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