1 static char help[] = "Tests MatConvert from AIJ to MATIS with a block size greater than 1.\n"; 2 3 #include <petscmat.h> 4 int main(int argc,char **args) 5 { 6 Mat A,B; 7 char file[PETSC_MAX_PATH_LEN]; 8 PetscViewer fd; 9 PetscBool flg,equal; 10 11 PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 12 13 /* Load an AIJ matrix */ 14 PetscCall(PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg)); 15 PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option"); 16 PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd)); 17 PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); 18 PetscCall(MatSetFromOptions(A)); 19 PetscCall(MatLoad(A,fd)); 20 21 /* Convert it to MATIS */ 22 PetscCall(MatConvert(A,MATIS,MAT_INITIAL_MATRIX,&B)); 23 24 /* Check they are equal */ 25 PetscCall(MatEqual(A,B,&equal)); 26 PetscCheck(equal,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"A and B are not equal"); 27 28 PetscCall(MatDestroy(&A)); 29 PetscCall(MatDestroy(&B)); 30 PetscCall(PetscViewerDestroy(&fd)); 31 PetscCall(PetscFinalize()); 32 } 33 34 /*TEST 35 test: 36 requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 37 args: -mat_type aij -matload_block_size {{1 2}} -f ${DATAFILESPATH}/matrices/smallbs2 38 output_file: output/empty.out 39 40 TEST*/ 41 42