1a5b23f4aSJose E. Roman static char help[] = "Test MatrixMarket outputting.\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 11c4762a1bSJed Brown #include <petscmat.h> 12c4762a1bSJed Brown 13d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 14d71ae5a4SJacob Faibussowitsch { 15c4762a1bSJed Brown Mat A; 16c4762a1bSJed Brown PetscViewer fd; /* viewer */ 17c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 18c4762a1bSJed Brown PetscBool flg; 19c4762a1bSJed Brown 20327415f7SBarry Smith PetscFunctionBeginUser; 21*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help)); 229566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-f0", file, sizeof(file), &flg)); 2328b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must indicate binary file with the -f0 option"); 249566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd)); 259566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 269566063dSJacob Faibussowitsch PetscCall(MatLoad(A, fd)); 279566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 28c4762a1bSJed Brown 299566063dSJacob Faibussowitsch PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_ASCII_MATRIXMARKET)); 309566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 319566063dSJacob Faibussowitsch PetscCall(PetscViewerPopFormat(PETSC_VIEWER_STDOUT_WORLD)); 329566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 339566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 34b122ec5aSJacob Faibussowitsch return 0; 35c4762a1bSJed Brown } 36c4762a1bSJed Brown 37c4762a1bSJed Brown /*TEST 38c4762a1bSJed Brown 39c4762a1bSJed Brown test: 40c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 41dfd57a17SPierre Jolivet requires: !complex double !defined(PETSC_USE_64BIT_INDICES) 42c4762a1bSJed Brown 43c4762a1bSJed Brown TEST*/ 44