Features

Fixed NaN output into vtk files.

Added support for SuperLU (serial) solver.

CMakeLists.txt

@@ -34,6 +34,7 @@ option(USE_SOLVER_METIS "Use METIS for matrix reordering" OFF)
 option(USE_SOLVER_MONDRIAAN "Use Mondriaan for matrix reordering" OFF)
 option(USE_SOLVER_PETSC "Use PETSc solvers" OFF)
 option(USE_SOLVER_TRILINOS "Use Trilinos solvers" OFF)
+option(USE_SOLVER_SUPERLU "Use SuperLU solver" OFF)
 #option(USE_AUTODIFF_OPENCL "Use OpenCL for automatic differentiation (under work)" OFF)
 #option(USE_AUTODIFF_ASMJIT "Use AsmJit for automatic differentiation" OFF)
 #option(USE_AUTODIFF_EXPRESSION_TEMPLATES "Use c++ expression templates for automatic differentiation" OFF)
@@ -183,6 +184,22 @@ if(USE_SOLVER_TRILINOS)
 endif()
 
 
+if(USE_SOLVER_SUPERLU)
+	find_package(SUPERLU)
+	if(NOT SUPERLU_FOUND)
+		set(USE_SOLVER_SUPERLU OFF)
+		MESSAGE("SUPERLU NOT FOUND")
+	else()
+		MESSAGE("\nFound SuperLU!  Here are the details: ")
+		MESSAGE("INCLUDES:  ${SUPERLU_INCLUDES}")
+		MESSAGE("LIBRARIES: ${SUPERLU_LIBRARIES}")
+
+		include_directories(${SUPERLU_INCLUDES})
+		set(USE_SOLVER_SUPERLU ON)
+		
+	endif()
+endif()
+
 if(USE_AUTODIFF_OPENCL)
 	find_package(OpenCL)
 	if(OPENCL_FOUND)

Examples/ADFVDiscr/CMakeLists.txt

@@ -30,6 +30,10 @@ if(USE_SOLVER)
     message("linking ADFVDiscr with Mondriaan")
     target_link_libraries(ADFVDiscr ${MONDRIAAN_LIBRARIES})
   endif()
+  if(USE_SOLVER_SUPERLU)
+    message("linking ADFVDiscr with SuperLU")
+    target_link_libraries(ADFVDiscr ${SUPERLU_LIBRARIES})
+  endif()
 endif()
 
 

Examples/ADMFD/CMakeLists.txt

@@ -29,6 +29,10 @@ if(USE_SOLVER)
     message("linking ADMFD with Mondriaan")
     target_link_libraries(ADMFD ${MONDRIAAN_LIBRARIES})
   endif()
+  if(USE_SOLVER_SUPERLU)
+    message("linking ADMFD with SuperLU")
+    target_link_libraries(ADMFD ${SUPERLU_LIBRARIES})
+  endif()
 endif()
 
 

Examples/ADMFD/main.cpp

@@ -449,8 +449,8 @@ int main(int argc,char ** argv)
                     //Change matrix by nonlinear correction for DMP
                     ++total;
                     
-                    if( !isDMP )
-                    //if( false )
+                    //if( !isDMP )
+                    if( false )
                     {
                         const real var = 0;//0.25;
                         vMatrix vnKGRAD = nKGRAD;
@@ -557,11 +557,12 @@ int main(int argc,char ** argv)
                 if( R.Norm() < 1.0e-4 ) break;
                 
                 Solver S(Solver::INNER_MPTILUC);
-                S.SetMatrix(R.GetJacobian());
-                S.SetParameterReal("relative_tolerance", 1.0e-14);
+				//Solver S(Solver::SUPERLU);
+				S.SetParameterReal("relative_tolerance", 1.0e-14);
                 S.SetParameterReal("absolute_tolerance", 1.0e-12);
                 S.SetParameterReal("drop_tolerance", 1.0e-2);
                 S.SetParameterReal("reuse_tolerance", 1.0e-4);
+                S.SetMatrix(R.GetJacobian());
                 //std::fill(Update.Begin(),Update.End(),0.0);
                 if( S.Solve(R.GetResidual(),Update) )
                 {

Examples/DrawMatrix/CMakeLists.txt

@@ -16,29 +16,7 @@ if(OPENGL_FOUND)
         set_target_properties(DrawMatrix PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}")
       endif() 
     endif(USE_MPI)
-    if(USE_SOLVER)
-      if(USE_SOLVER_ANI3D)
-        message("linking DrawMatrix with ANI3d")
-        target_link_libraries(DrawMatrix ani3d)
-      endif()
-      if(USE_SOLVER_PETSC)
-        message("linking DrawMatrix with PETSc")
-        add_definitions(${PETSC_DEFINITIONS})
-        target_link_libraries(DrawMatrix ${PETSC_LIBRARIES})
-      endif()
-      if(USE_SOLVER_TRILINOS)
-        message("linking DrawMatrix with Trilinos")
-        target_link_libraries(DrawMatrix ${Trilinos_LIBRARIES} ${Trilinos_TPL_LIBRARIES})
-      endif()
-      if(USE_SOLVER_METIS)
-        message("linking DrawMatrix with Metis")
-        target_link_libraries(DrawMatrix ${METIS_LIBRARIES})
-      endif()
-      if(USE_SOLVER_MONDRIAAN)
-        message("linking DrawMatrix with Mondriaan")
-        target_link_libraries(DrawMatrix ${MONDRIAAN_LIBRARIES})
-      endif()
-    endif()
+    
 
 
     install(TARGETS DrawMatrix EXPORT inmost-targets RUNTIME DESTINATION bin)

Examples/FVDiscr/CMakeLists.txt

@@ -29,6 +29,10 @@ if(USE_SOLVER)
     message("linking FVDiscr with Mondriaan")
     target_link_libraries(FVDiscr ${MONDRIAAN_LIBRARIES})
   endif()
+  if(USE_SOLVER_SUPERLU)
+    message("linking FVDiscr with SuperLU")
+    target_link_libraries(FVDiscr ${SUPERLU_LIBRARIES})
+  endif()
 endif()
 
 

Examples/MatSolve/CMakeLists.txt

@@ -37,6 +37,10 @@ if(USE_SOLVER)
     message("linking MatSolve with Mondriaan")
     target_link_libraries(MatSolve ${MONDRIAAN_LIBRARIES})
   endif()
+  if(USE_SOLVER_SUPERLU)
+    message("linking MatSolve with SuperLU")
+    target_link_libraries(MatSolve ${SUPERLU_LIBRARIES})
+  endif()
 endif()
 
 

Examples/Solver/CMakeLists.txt

@@ -29,6 +29,10 @@ if(USE_SOLVER)
     message("linking Solver with Mondriaan")
     target_link_libraries(Solver ${MONDRIAAN_LIBRARIES})
   endif()
+  if(USE_SOLVER_SUPERLU)
+    message("linking Solver with SuperLU")
+    target_link_libraries(Solver ${SUPERLU_LIBRARIES})
+  endif()
 endif(USE_SOLVER)
 
 if(USE_PARTITIONER)

Source/Headers/inmost_options_cmake.h

@@ -20,6 +20,7 @@
 #cmakedefine USE_SOLVER_PETSC
 #cmakedefine USE_SOLVER_TRILINOS
 #cmakedefine USE_SOLVER_ANI
+#cmakedefine USE_SOLVER_SUPERLU
 
 #cmakedefine USE_NONLINEAR
 #cmakedefine USE_NONLINEAR_TRILINOS

Source/Headers/inmost_solver.h

@@ -54,7 +54,8 @@ namespace INMOST
 			PETSc,          ///< external Solver PETSc, @see http://www.mcs.anl.gov/petsc/
 			ANI,            ///< external Solver from ANI3D based on ILU2 (sequential Fortran version), @see http://ani3d.sourceforge.net/
 			FCBIILU2,       ///< external FCBIILU2 Solver (BIILU2 parallel F2C version).
-			K3BIILU2        ///< inner    K3BIILU2 Solver (BIILU2 parallel version).
+			K3BIILU2,       ///< inner    K3BIILU2 Solver (BIILU2 parallel version).
+			SUPERLU         ///< external Solver SuperLU @see https://github.com/starseeker/SuperLU
 		};
 
     static std::string TypeName(Type t);

Source/IO/mesh_vtk_file.cpp

@@ -273,7 +273,11 @@ safe_output:
 								case DATA_REAL:
 								{
 									Storage::real_array arr = it->RealArray(tags[i]);
-									for(unsigned int m = 0; m < comps; m++) fprintf(f,"%14e ",arr[m]);
+									for(unsigned int m = 0; m < comps; m++) 
+									{
+										double val = static_cast<double>(arr[m]);
+										fprintf(f,"%14e ",val != val ? -0.9999E30 : val);
+									}
 									fprintf(f,"\n");
 								}
 								break;
@@ -288,7 +292,11 @@ safe_output:
                 case DATA_VARIABLE:
 								{
 									Storage::var_array arr = it->VariableArray(tags[i]);
-                  for(unsigned int m = 0; m < comps; m++) fprintf(f,"%14e ",arr[m].GetValue());
+									for(unsigned int m = 0; m < comps; m++) 
+									{
+										double val = static_cast<double>(arr[m].GetValue());
+										fprintf(f,"%14e ",val != val ? -0.9999E30 : val);
+									}
 									fprintf(f,"\n");
 								}
                 break;
@@ -346,7 +354,11 @@ safe_output:
 								case DATA_REAL:
 								{
 									Storage::real_array arr = it->RealArray(tags[i]);
-									for(unsigned int m = 0; m < comps; m++) fprintf(f,"%14e ",arr[m]);
+									for(unsigned int m = 0; m < comps; m++) 
+									{
+										double val = static_cast<double>(arr[m]);
+										fprintf(f,"%14e ",(val != val ? -0.9999E30 : val));
+									}
 									fprintf(f,"\n");
 								}
 								break;
@@ -361,7 +373,11 @@ safe_output:
                 case DATA_VARIABLE:
 								{
 									Storage::var_array arr = it->VariableArray(tags[i]);
-                  for(unsigned int m = 0; m < comps; m++) fprintf(f,"%14e ",arr[m].GetValue());
+									for(unsigned int m = 0; m < comps; m++) 
+									{
+										double val = static_cast<double>(arr[m].GetValue());
+										fprintf(f,"%14e ",(val != val ? -0.9999E30 : val));
+									}
 									fprintf(f,"\n");
 								}
 								break;

Source/Solver/CMakeLists.txt

@@ -5,12 +5,14 @@ set(SOURCE
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_ani.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_ddpqiluc2.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_petsc.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/solver_superlu.cpp
 )
 
 set(HEADER
     ${HEADER}
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_prototypes.hpp
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_petsc.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/solver_superlu.h
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_ilu2.hpp
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_ddpqiluc2.hpp
     ${CMAKE_CURRENT_SOURCE_DIR}/solver_bcgsl.hpp

Source/Solver/solver.cpp

@@ -2,6 +2,7 @@
 #include "inmost_solver.h"
 #if defined(USE_SOLVER)
 #include "solver_petsc.h"
+#include "solver_superlu.h"
 #include "solver_ani.h"
 #include "solver_ilu2.hpp"
 #include "solver_ddpqiluc2.hpp"
@@ -43,11 +44,10 @@
 #include "Teuchos_TestForException.hpp"
 #include "Teuchos_XMLParameterListHelpers.hpp"
 #endif
-
 //#define USE_OMP
 
-//#define KSOLVER BCGSL_solver
-#define KSOLVER BCGS_solver
+#define KSOLVER BCGSL_solver
+//#define KSOLVER BCGS_solver
 //#define ACCELERATED_CONDEST
 //#define PRINT_CONDEST
 
@@ -61,6 +61,7 @@ namespace INMOST
 	static std::string ani_database_file = "";
 	static std::string fcbiilu2_database_file = "";
 	static std::string k3biilu2_database_file = "";
+	static std::string superlu_database_file = "";
 
 
 
@@ -86,6 +87,7 @@ namespace INMOST
     case ANI: return "ANI";
     case FCBIILU2: return "FCBIILU2";
     case K3BIILU2: return "K3BIILU2";
+	case SUPERLU: return "SUPERLU";
     }
     return "Unknown";
   }
@@ -852,53 +854,58 @@ namespace INMOST
 		(void)argv;
 		if( database != NULL )
 		{
-      FILE * f = fopen(database,"r");
-      if( f )
-      {
-			  //std::fstream file(database,std::ios::in);
-			  char str[4096];
-			  //while( !file.eof() && file.getline(str,4096) )
-        while( !feof(f) && fgets(str,4096,f) )
-			  {
-				  int k = 0, l;
-				  for(k = 0; k < (int)strlen(str); ++k)
-				  {
-					  if( str[k] == ':' ) break;
-				  }
-				  if( k == strlen(str) ) continue; //invalid line
-				  for(l = 0; l < k; ++l) str[l] = tolower(str[l]);
-				  l = (int)strlen(str)-1; // Right-trim string
-				  while(l > 0 && isspace(str[l]) ) --l;
-				  str[l+1] = 0;
-				  l = k+1;
-				  while(l < (int)strlen(str) && isspace(str[l]) ) ++l;
-				  if( l == strlen(str) ) continue; //skip empty entry
-				  if( !strncmp(str,"petsc",k) )
-					  petsc_database_file = std::string(str+l);
-				  else if( !strncmp(str,"trilinos_ifpack",k) )
-					  trilinos_ifpack_database_file = std::string(str+l);
-				  else if( !strncmp(str,"trilinos_aztec",k) )
-					  trilinos_aztec_database_file = std::string(str+l);
-				  else if( !strncmp(str,"trilinos_ml",k) )
-					  trilinos_ml_database_file = std::string(str+l);
-				  else if( !strncmp(str,"trilinos_belos",k) )
-					  trilinos_belos_database_file = std::string(str+l);
-				  else if( !strncmp(str,"ani",k) )
-					  ani_database_file = std::string(str+l);
-				  else if( !strncmp(str,"fcbiilu2",k) )
-				 	  fcbiilu2_database_file = std::string(str+l);
-				  else if( !strncmp(str,"k3biilu2",k) )
-					  k3biilu2_database_file = std::string(str+l);
-			  }
-			  //file.close();
-        fclose(f);
-      }
+			FILE * f = fopen(database,"r");
+			if( f )
+			{
+				//std::fstream file(database,std::ios::in);
+				char str[4096];
+				//while( !file.eof() && file.getline(str,4096) )
+				while( !feof(f) && fgets(str,4096,f) )
+				{
+					int k = 0, l;
+					for(k = 0; k < (int)strlen(str); ++k)
+					{
+						if( str[k] == ':' ) break;
+					}
+					if( k == strlen(str) ) continue; //invalid line
+					for(l = 0; l < k; ++l) str[l] = tolower(str[l]);
+					l = (int)strlen(str)-1; // Right-trim string
+					while(l > 0 && isspace(str[l]) ) --l;
+					str[l+1] = 0;
+					l = k+1;
+					while(l < (int)strlen(str) && isspace(str[l]) ) ++l;
+					if( l == strlen(str) ) continue; //skip empty entry
+					if( !strncmp(str,"petsc",k) )
+						petsc_database_file = std::string(str+l);
+					else if( !strncmp(str,"trilinos_ifpack",k) )
+						trilinos_ifpack_database_file = std::string(str+l);
+					else if( !strncmp(str,"trilinos_aztec",k) )
+						trilinos_aztec_database_file = std::string(str+l);
+					else if( !strncmp(str,"trilinos_ml",k) )
+						trilinos_ml_database_file = std::string(str+l);
+					else if( !strncmp(str,"trilinos_belos",k) )
+						trilinos_belos_database_file = std::string(str+l);
+					else if( !strncmp(str,"ani",k) )
+						ani_database_file = std::string(str+l);
+					else if( !strncmp(str,"fcbiilu2",k) )
+						fcbiilu2_database_file = std::string(str+l);
+					else if( !strncmp(str,"k3biilu2",k) )
+						k3biilu2_database_file = std::string(str+l);
+					else if( !strncmp(str,"superlu",k) )
+						superlu_database_file = std::string(str+l);
+				}
+				//file.close();
+				fclose(f);
+			}
 		}
 		//std::cout << "PETSc \"" << petsc_database_file << "\"" << std::endl;
 		//std::cout << "Trilinos_Ifpack \"" << trilinos_ifpack_database_file << "\"" << std::endl;
 #if defined(USE_SOLVER_PETSC)
 		SolverInitializePetsc(argc,argv,petsc_database_file.c_str());
 #endif
+#if defined(USE_SOLVER_SUPERLU)
+		SolverInitializeSuperLU(argc,argv,superlu_database_file.c_str());
+#endif
 #if defined(USE_SOLVER_ANI)
 		SolverInitializeAni(argc,argv,ani_database_file.c_str());
 #endif
@@ -922,9 +929,12 @@ namespace INMOST
 				}
 			}
 		}
+#endif
+#if defined(USE_SOLVER_SUPERLU)
+		
 #endif
 		Sparse::CreateRowEntryType();
-    is_initialized = true;
+		is_initialized = true;
 	}
 	
 	void Solver::Finalize()
@@ -1070,6 +1080,12 @@ namespace INMOST
 			SolverInitDataK3biilu2(&solver_data,_comm,name.c_str());
 		}
 #endif
+#if defined(USE_SOLVER_SUPERLU)
+		if( _pack == SUPERLU )
+		{
+			SolverInitDataSuperLU(&solver_data);
+		}
+#endif
 #if defined(USE_SOLVER_TRILINOS)
 		if( _pack == Trilinos_Aztec || 
 			_pack == Trilinos_Belos ||
@@ -1271,6 +1287,13 @@ namespace INMOST
 				solver_data = NULL;
 			}
 		}
+#endif
+#if defined(USE_SOLVER_SUPERLU)
+		if(_pack == SUPERLU )
+		{
+			SolverDestroyDataSuperLU(&solver_data);
+			matrix_data = NULL;
+		}
 #endif
 		if (_pack == INNER_ILU2 || _pack == INNER_DDPQILUC || _pack == INNER_MPTILUC || _pack == INNER_MPTILU2)
 		{
@@ -1721,6 +1744,40 @@ namespace INMOST
 			ok = true;
 		}
 #endif
+#if defined(USE_SOLVER_SUPERLU)
+		if( _pack == SUPERLU ) //just serial SuperLU
+		{
+			//check that the run is serial!
+			int * ia, * ja, nnz = 0;
+			double * a;
+			int mbeg = A.GetFirstIndex();
+			int mend = A.GetLastIndex();
+			for(int k = 0; k < mend-mbeg; ++k) nnz += A[k].Size();
+			ia = (int *)malloc(sizeof(int)*(A.Size()+1));
+			ja = (int *)malloc(sizeof(int)*nnz);
+			a = (double *)malloc(sizeof(double)*nnz);
+			int q = 0;
+			ia[0] = 0;
+			for(int k = 0; k < mend-mbeg; ++k)
+			{
+				Sparse::Row & r = A[k+mbeg];
+				for(int l = 0; l < r.Size(); ++l)
+				{
+					ja[q] = r.GetIndex(l)-mbeg;
+					a[q] = r.GetValue(l);
+					++q;
+				}
+				ia[k+1] = q;
+			}
+			MatrixFillSuperLU(solver_data,mend-mbeg,nnz,ia,ja,a);
+			//arrays are freed inside SuperLU
+			//delete [] ia;
+			//delete [] ja;
+			//delete [] a;
+			matrix_data = solver_data; //to avoid exception in Solve()
+			ok = true;
+		}
+#endif
 #if defined(USE_SOLVER_TRILINOS)
 		if( _pack == Trilinos_Aztec || 
 			_pack == Trilinos_Belos ||
@@ -2493,6 +2550,16 @@ namespace INMOST
 			}
 			
 		}
+#endif
+#if defined(USE_SOLVER_SUPERLU)
+		if(_pack == SUPERLU )
+		{
+			bool ret = SolverSolveSuperLU(solver_data,&*RHS.Begin(),&*SOL.Begin());
+			last_it = 1;
+			last_resid = 0;
+			return_reason = SolverConvergedReasonSuperLU(solver_data);
+			return ret;
+		}
 #endif
 		if(_pack == INNER_ILU2 || _pack == INNER_DDPQILUC || _pack == INNER_MPTILUC || _pack == INNER_MPTILU2)
 		{

Source/Solver/solver_ani.h

@@ -2,8 +2,6 @@
 #define SOLVER_ANI_H_INCLUDED
 #include "inmost_solver.h"
 
-
-#if defined(USE_SOLVER_ANI)
 void MatrixCopyDataAni(void ** ppA, void * pB);
 void MatrixAssignDataAni(void * pA, void * pB);
 void MatrixInitDataAni(void ** ppA, INMOST_MPI_Comm comm, const char * name);
@@ -32,7 +30,6 @@ void SolverSetMatrixAni(void * data, void * matrix_data, bool same_pattern, bool
 bool SolverSolveAni(void * data, void * rhs_data, void * sol_data);
 int SolverIterationNumberAni(void * data);
 double SolverResidualNormAni(void * data);
-#endif //USE_SOLVER_ANI
 
 
 #endif //SOLVER_ANI_H_INCLUDED

Source/Solver/solver_superlu.cpp

+#define _CRT_SECURE_NO_WARNINGS
+#include "inmost_solver.h"
+#if defined(USE_SOLVER)
+#if defined(USE_SOLVER_SUPERLU)
+#include "superlu/slu_ddefs.h"
+#include "solver_superlu.h"
+
+struct SuperLU_data
+{
+	SuperMatrix A, L, U;
+	int * perm_r;
+	int * perm_c;
+	int size, info;
+	superlu_options_t options;
+	SuperLUStat_t stat;
+};
+
+void SolverInitializeSuperLU(int * argc,char *** argv, const char * file_options)
+{
+	//read options from file and arguments
+}
+
+
+void MatrixFillSuperLU(void * data, int size, int nnz, int * col_ranges, int * col_positions, double * col_values)
+{
+	SuperLU_data * m = static_cast<SuperLU_data *>(data);
+	dCreate_CompCol_Matrix(&m->A,size,size,nnz,col_values,col_positions,col_ranges,SLU_NR,SLU_D,SLU_GE);
+	m->size = size;
+	m->perm_c = new int [size];
+	m->perm_r = new int [size];
+}
+
+
+void SolverDestroyDataSuperLU(void ** data)
+{
+	SuperLU_data * m = static_cast<SuperLU_data *>(*data);
+	Destroy_CompCol_Matrix(&m->A);
+	Destroy_SuperNode_Matrix(&m->L);
+	Destroy_CompCol_Matrix(&m->U);
+	StatFree(&m->stat);
+	if( m->perm_c != NULL ) delete [] m->perm_c;
+	if( m->perm_r != NULL ) delete [] m->perm_r;
+	delete m;
+	*data = NULL;
+}
+
+void SolverInitDataSuperLU(void ** data)
+{
+	if( data == NULL ) throw INMOST::DataCorruptedInSolver;
+	if( *data != NULL ) 
+		SolverDestroyDataSuperLU(data);
+	*data = static_cast<void *>(new SuperLU_data);
+	SuperLU_data * m = static_cast<SuperLU_data *>(*data);
+	set_default_options(&(m->options));
+	StatInit(&(m->stat));
+	m->perm_c = NULL;
+	m->perm_r = NULL;
+	m->size = 0;
+}
+
+
+bool SolverSolveSuperLU(void * data, void * rhs_data, void * sol_data)
+{
+	SuperLU_data * m = static_cast<SuperLU_data *>(data);
+	assert(m->size != 0);
+	SuperMatrix B;
+	memcpy(sol_data,rhs_data,sizeof(double)*m->size);
+	dCreate_Dense_Matrix(&B,m->size,1,(double *)sol_data,m->size,SLU_DN,SLU_D,SLU_GE);
+	dgssv(&m->options,&m->A,m->perm_c,m->perm_r,&m->L,&m->U,&B,&m->stat,&m->info);
+	Destroy_SuperMatrix_Store(&B);
+	return m->info == 0;
+}
+
+const char * SolverConvergedReasonSuperLU(void * data)
+{
+	SuperLU_data * m = static_cast<SuperLU_data *>(data);
+	static char reason_str[4096];
+	if( m->info <= m->size )
+		sprintf(reason_str,"diagonal entry of U-factor is exactly singular at %d/%d",m->info,m->size);
+	else if( m->info > m->size )
+		sprintf(reason_str,"memory allocation failed after %d bytes were allocated",m->info-m->size);
+	else if( m->info == 0 )
+		strcpy(reason_str,"factorization was successfull");
+	else
+		sprintf(reason_str,"unknown exit code %d",m->info);
+	return reason_str;
+}
+
+#endif
+#endif

Source/Solver/solver_superlu.h

+#ifndef _SOLVER_SUPERLU
+#define _SOLVER_SUPERLU
+
+//IF CERTAIN FUNCTIONALITY IS NOT AVAILABLE, PLEASE THROW INMOST::NotImplemented EXCEPTION
+
+void SolverInitializeSuperLU(int * argc,char *** argv, const char * file_options);
+void MatrixFillSuperLU(void * data, int size, int nnz, int * col_ranges, int * col_positions, double * col_values);
+void SolverDestroyDataSuperLU(void ** data);
+void SolverInitDataSuperLU(void ** data);
+bool SolverSolveSuperLU(void * data, void * rhs_data, void * sol_data);
+const char * SolverConvergedReasonSuperLU(void * data);
+
+#endif

Tests/solver_test000/CMakeLists.txt

@@ -36,6 +36,10 @@ if(USE_SOLVER_MONDRIAAN)
   message("linking solver_test000 with Mondriaan")
   target_link_libraries(solver_test000 ${MONDRIAAN_LIBRARIES})
 endif()
+if(USE_SOLVER_SUPERLU)
+  message("linking solver_test000 with SuperLU")
+  target_link_libraries(solver_test000 ${SUPERLU_LIBRARIES})
+endif()
 
 
 add_test(NAME solver_test000_serial_inner_ilu2                 COMMAND $<TARGET_FILE:solver_test000> 0 0)

Tests/solver_test001/CMakeLists.txt

@@ -34,7 +34,10 @@ if(USE_SOLVER_MONDRIAAN)
   message("linking solver_test001 with Mondriaan")