1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Test memory leak when duplicating a redundant matrix.\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown /* 5c4762a1bSJed Brown Include "petscmat.h" so that we can use matrices. 6c4762a1bSJed Brown automatically includes: 7c4762a1bSJed Brown petscsys.h - base PETSc routines petscvec.h - vectors 8c4762a1bSJed Brown petscmat.h - matrices 9c4762a1bSJed Brown petscis.h - index sets petscviewer.h - viewers 10c4762a1bSJed Brown */ 11c4762a1bSJed Brown #include <petscmat.h> 12c4762a1bSJed Brown 13c4762a1bSJed Brown int main(int argc,char **args) 14c4762a1bSJed Brown { 15c4762a1bSJed Brown Mat A,Ar,C; 16c4762a1bSJed Brown PetscViewer fd; /* viewer */ 17c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 18c4762a1bSJed Brown PetscInt ns=2; 19c4762a1bSJed Brown PetscMPIInt size; 20c4762a1bSJed Brown PetscSubcomm subc; 21c4762a1bSJed Brown PetscBool flg; 22c4762a1bSJed Brown 23*327415f7SBarry Smith PetscFunctionBeginUser; 249566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 25c4762a1bSJed Brown /* 26c4762a1bSJed Brown Determine files from which we read the two linear systems 27c4762a1bSJed Brown (matrix and right-hand-side vector). 28c4762a1bSJed Brown */ 299566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL,NULL,"-f0",file,sizeof(file),&flg)); 3028b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f0 option"); 319566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd)); 329566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 339566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Reading matrix with %d processors\n",size)); 349566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); 359566063dSJacob Faibussowitsch PetscCall(MatLoad(A,fd)); 369566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 37c4762a1bSJed Brown /* 38c4762a1bSJed Brown Determines amount of subcomunicators 39c4762a1bSJed Brown */ 409566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-nsub",&ns,NULL)); 419566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Splitting in %" PetscInt_FMT " subcommunicators\n",ns)); 429566063dSJacob Faibussowitsch PetscCall(PetscSubcommCreate(PetscObjectComm((PetscObject)A),&subc)); 439566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetNumber(subc,ns)); 449566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetType(subc,PETSC_SUBCOMM_CONTIGUOUS)); 459566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetFromOptions(subc)); 469566063dSJacob Faibussowitsch PetscCall(MatCreateRedundantMatrix(A,0,PetscSubcommChild(subc),MAT_INITIAL_MATRIX,&Ar)); 479566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Copying matrix\n")); 489566063dSJacob Faibussowitsch PetscCall(MatDuplicate(Ar,MAT_COPY_VALUES,&C)); 499566063dSJacob Faibussowitsch PetscCall(MatAXPY(Ar,0.1,C,DIFFERENT_NONZERO_PATTERN)); 509566063dSJacob Faibussowitsch PetscCall(PetscSubcommDestroy(&subc)); 51c4762a1bSJed Brown 52c4762a1bSJed Brown /* 53c4762a1bSJed Brown Free memory 54c4762a1bSJed Brown */ 559566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 569566063dSJacob Faibussowitsch PetscCall(MatDestroy(&Ar)); 579566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 589566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 59b122ec5aSJacob Faibussowitsch return 0; 60c4762a1bSJed Brown } 61c4762a1bSJed Brown 62c4762a1bSJed Brown /*TEST 63c4762a1bSJed Brown 64c4762a1bSJed Brown test: 65c4762a1bSJed Brown nsize: 4 6633e6eea4SJose E. Roman requires: !complex double !defined(PETSC_USE_64BIT_INDICES) 67c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 -malloc_dump 68c4762a1bSJed Brown 69c4762a1bSJed Brown TEST*/ 70