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 13*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 14*d71ae5a4SJacob Faibussowitsch { 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 23327415f7SBarry 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