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 CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help)); 18 CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 19 CHKERRQ(PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg)); 20 PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option"); 21 CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd)); 22 CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A)); 23 CHKERRQ(MatSetFromOptions(A)); 24 CHKERRQ(MatLoad(A,fd)); 25 CHKERRQ(PetscViewerDestroy(&fd)); 26 27 CHKERRQ(MatGetSize(A,NULL,&n)); 28 CHKERRQ(PetscMalloc1(n,&reductions_real)); 29 CHKERRQ(PetscMalloc1(n,&reductions_scalar)); 30 31 CHKERRQ(MatGetColumnNorms(A,NORM_2,reductions_real)); 32 if (rank == 0) { 33 CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_2:\n")); 34 CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 35 } 36 37 CHKERRQ(MatGetColumnNorms(A,NORM_1,reductions_real)); 38 if (rank == 0) { 39 CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_1:\n")); 40 CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 41 } 42 43 CHKERRQ(MatGetColumnNorms(A,NORM_INFINITY,reductions_real)); 44 if (rank == 0) { 45 CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_INFINITY:\n")); 46 CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 47 } 48 49 CHKERRQ(MatGetColumnSums(A,reductions_scalar)); 50 if (!rank) { 51 CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"REDUCTION_SUM:\n")); 52 CHKERRQ(PetscScalarView(n,reductions_scalar,PETSC_VIEWER_STDOUT_SELF)); 53 } 54 55 CHKERRQ(MatGetColumnMeans(A,reductions_scalar)); 56 if (!rank) { 57 CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"REDUCTION_MEAN:\n")); 58 CHKERRQ(PetscScalarView(n,reductions_scalar,PETSC_VIEWER_STDOUT_SELF)); 59 } 60 61 CHKERRQ(PetscFree(reductions_real)); 62 CHKERRQ(PetscFree(reductions_scalar)); 63 CHKERRQ(MatDestroy(&A)); 64 CHKERRQ(PetscFinalize()); 65 return 0; 66 } 67 68 /*TEST 69 70 test: 71 suffix: 1 72 nsize: 2 73 requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 74 args: -f ${DATAFILESPATH}/matrices/small -mat_type aij 75 output_file: output/ex138.out 76 77 test: 78 suffix: 2 79 nsize: {{1 2}} 80 requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 81 args: -f ${DATAFILESPATH}/matrices/small -mat_type baij -matload_block_size {{2 3}} 82 output_file: output/ex138.out 83 84 test: 85 suffix: complex 86 nsize: 2 87 requires: datafilespath complex double !defined(PETSC_USE_64BIT_INDICES) 88 args: -f ${DATAFILESPATH}/matrices/nimrod/small_112905 -mat_type aij 89 output_file: output/ex138_complex.out 90 filter: grep -E "\ 0:|1340:|1344:" 91 92 TEST*/ 93