1 2 static char help[] = "Tests MatGetColumnNorms()/Sums()/Means() for matrix read from file."; 3 4 #include <petscmat.h> 5 6 int main(int argc, char **args) 7 { 8 Mat A; 9 PetscReal *reductions_real; 10 PetscScalar *reductions_scalar; 11 char file[PETSC_MAX_PATH_LEN]; 12 PetscBool flg; 13 PetscViewer fd; 14 PetscInt n; 15 PetscMPIInt rank; 16 17 PetscFunctionBeginUser; 18 PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 19 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 20 PetscCall(PetscOptionsGetString(NULL, NULL, "-f", file, sizeof(file), &flg)); 21 PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must indicate binary file with the -f option"); 22 PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd)); 23 PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 24 PetscCall(MatSetFromOptions(A)); 25 PetscCall(MatLoad(A, fd)); 26 PetscCall(PetscViewerDestroy(&fd)); 27 28 PetscCall(MatGetSize(A, NULL, &n)); 29 PetscCall(PetscMalloc1(n, &reductions_real)); 30 PetscCall(PetscMalloc1(n, &reductions_scalar)); 31 32 PetscCall(MatGetColumnNorms(A, NORM_2, reductions_real)); 33 if (rank == 0) { 34 PetscCall(PetscPrintf(PETSC_COMM_SELF, "NORM_2:\n")); 35 PetscCall(PetscRealView(n, reductions_real, PETSC_VIEWER_STDOUT_SELF)); 36 } 37 38 PetscCall(MatGetColumnNorms(A, NORM_1, reductions_real)); 39 if (rank == 0) { 40 PetscCall(PetscPrintf(PETSC_COMM_SELF, "NORM_1:\n")); 41 PetscCall(PetscRealView(n, reductions_real, PETSC_VIEWER_STDOUT_SELF)); 42 } 43 44 PetscCall(MatGetColumnNorms(A, NORM_INFINITY, reductions_real)); 45 if (rank == 0) { 46 PetscCall(PetscPrintf(PETSC_COMM_SELF, "NORM_INFINITY:\n")); 47 PetscCall(PetscRealView(n, reductions_real, PETSC_VIEWER_STDOUT_SELF)); 48 } 49 50 PetscCall(MatGetColumnSums(A, reductions_scalar)); 51 if (rank == 0) { 52 PetscCall(PetscPrintf(PETSC_COMM_SELF, "REDUCTION_SUM:\n")); 53 PetscCall(PetscScalarView(n, reductions_scalar, PETSC_VIEWER_STDOUT_SELF)); 54 } 55 56 PetscCall(MatGetColumnMeans(A, reductions_scalar)); 57 if (rank == 0) { 58 PetscCall(PetscPrintf(PETSC_COMM_SELF, "REDUCTION_MEAN:\n")); 59 PetscCall(PetscScalarView(n, reductions_scalar, PETSC_VIEWER_STDOUT_SELF)); 60 } 61 62 PetscCall(PetscFree(reductions_real)); 63 PetscCall(PetscFree(reductions_scalar)); 64 PetscCall(MatDestroy(&A)); 65 PetscCall(PetscFinalize()); 66 return 0; 67 } 68 69 /*TEST 70 71 test: 72 suffix: 1 73 nsize: 2 74 requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 75 args: -f ${DATAFILESPATH}/matrices/small -mat_type aij 76 output_file: output/ex138.out 77 78 test: 79 suffix: 2 80 nsize: {{1 2}} 81 requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 82 args: -f ${DATAFILESPATH}/matrices/small -mat_type baij -matload_block_size {{2 3}} 83 output_file: output/ex138.out 84 85 test: 86 suffix: complex 87 nsize: 2 88 requires: datafilespath complex double !defined(PETSC_USE_64BIT_INDICES) 89 args: -f ${DATAFILESPATH}/matrices/nimrod/small_112905 -mat_type aij 90 output_file: output/ex138_complex.out 91 filter: grep -E "\ 0:|1340:|1344:" 92 93 TEST*/ 94