1c4762a1bSJed Brown static char help[] = "Test memory leak when duplicating a redundant matrix.\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown /* 4c4762a1bSJed Brown Include "petscmat.h" so that we can use matrices. 5c4762a1bSJed Brown automatically includes: 6c4762a1bSJed Brown petscsys.h - base PETSc routines petscvec.h - vectors 7c4762a1bSJed Brown petscmat.h - matrices 8c4762a1bSJed Brown petscis.h - index sets petscviewer.h - viewers 9c4762a1bSJed Brown */ 10c4762a1bSJed Brown #include <petscmat.h> 11c4762a1bSJed Brown 12d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 13d71ae5a4SJacob Faibussowitsch { 14c4762a1bSJed Brown Mat A, Ar, C; 15c4762a1bSJed Brown PetscViewer fd; /* viewer */ 16c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 17c4762a1bSJed Brown PetscInt ns = 2; 18c4762a1bSJed Brown PetscMPIInt size; 19c4762a1bSJed Brown PetscSubcomm subc; 20c4762a1bSJed Brown PetscBool flg; 21c4762a1bSJed Brown 22327415f7SBarry Smith PetscFunctionBeginUser; 23*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help)); 24c4762a1bSJed Brown /* 25c4762a1bSJed Brown Determine files from which we read the two linear systems 26c4762a1bSJed Brown (matrix and right-hand-side vector). 27c4762a1bSJed Brown */ 289566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-f0", file, sizeof(file), &flg)); 2928b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must indicate binary file with the -f0 option"); 309566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd)); 319566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 329566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Reading matrix with %d processors\n", size)); 339566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 349566063dSJacob Faibussowitsch PetscCall(MatLoad(A, fd)); 359566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 36c4762a1bSJed Brown /* 37c4762a1bSJed Brown Determines amount of subcomunicators 38c4762a1bSJed Brown */ 399566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-nsub", &ns, NULL)); 409566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Splitting in %" PetscInt_FMT " subcommunicators\n", ns)); 419566063dSJacob Faibussowitsch PetscCall(PetscSubcommCreate(PetscObjectComm((PetscObject)A), &subc)); 429566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetNumber(subc, ns)); 439566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetType(subc, PETSC_SUBCOMM_CONTIGUOUS)); 449566063dSJacob Faibussowitsch PetscCall(PetscSubcommSetFromOptions(subc)); 459566063dSJacob Faibussowitsch PetscCall(MatCreateRedundantMatrix(A, 0, PetscSubcommChild(subc), MAT_INITIAL_MATRIX, &Ar)); 469566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Copying matrix\n")); 479566063dSJacob Faibussowitsch PetscCall(MatDuplicate(Ar, MAT_COPY_VALUES, &C)); 489566063dSJacob Faibussowitsch PetscCall(MatAXPY(Ar, 0.1, C, DIFFERENT_NONZERO_PATTERN)); 499566063dSJacob Faibussowitsch PetscCall(PetscSubcommDestroy(&subc)); 50c4762a1bSJed Brown 51c4762a1bSJed Brown /* 52c4762a1bSJed Brown Free memory 53c4762a1bSJed Brown */ 549566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 559566063dSJacob Faibussowitsch PetscCall(MatDestroy(&Ar)); 569566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 579566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 58b122ec5aSJacob Faibussowitsch return 0; 59c4762a1bSJed Brown } 60c4762a1bSJed Brown 61c4762a1bSJed Brown /*TEST 62c4762a1bSJed Brown 63c4762a1bSJed Brown test: 64c4762a1bSJed Brown nsize: 4 6533e6eea4SJose E. Roman requires: !complex double !defined(PETSC_USE_64BIT_INDICES) 66c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 -malloc_dump 67c4762a1bSJed Brown 68c4762a1bSJed Brown TEST*/ 69