1 static char help[] = "Test MatrixMarket outputting.\n\n"; 2 3 /* 4 Include "petscmat.h" so that we can use matrices. 5 automatically includes: 6 petscsys.h - base PETSc routines petscvec.h - vectors 7 petscmat.h - matrices 8 petscis.h - index sets petscviewer.h - viewers 9 */ 10 11 #include <petscmat.h> 12 13 int main(int argc,char **args) 14 { 15 Mat A; 16 PetscViewer fd; /* viewer */ 17 char file[PETSC_MAX_PATH_LEN]; /* input file name */ 18 PetscErrorCode ierr; 19 PetscBool flg; 20 21 ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 22 CHKERRQ(PetscOptionsGetString(NULL,NULL,"-f0",file,sizeof(file),&flg)); 23 PetscCheckFalse(!flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f0 option"); 24 CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd)); 25 CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A)); 26 CHKERRQ(MatLoad(A,fd)); 27 CHKERRQ(PetscViewerDestroy(&fd)); 28 29 CHKERRQ(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD,PETSC_VIEWER_ASCII_MATRIXMARKET)); 30 CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 31 CHKERRQ(PetscViewerPopFormat(PETSC_VIEWER_STDOUT_WORLD)); 32 CHKERRQ(MatDestroy(&A)); 33 ierr = PetscFinalize(); 34 return ierr; 35 } 36 37 /*TEST 38 39 test: 40 args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 41 requires: !complex double !defined(PETSC_USE_64BIT_INDICES) 42 43 TEST*/ 44