1c4762a1bSJed Brown 2857cbf51SRichard Tran Mills static char help[] = "Tests MatGetColumnNorms()/Sums()/Means() for matrix read from file."; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown int main(int argc,char **args) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown Mat A; 9c4762a1bSJed Brown PetscErrorCode ierr; 10857cbf51SRichard Tran Mills PetscReal *reductions_real; 11857cbf51SRichard Tran Mills PetscScalar *reductions_scalar; 12c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; 13c4762a1bSJed Brown PetscBool flg; 14c4762a1bSJed Brown PetscViewer fd; 15c4762a1bSJed Brown PetscInt n; 16c4762a1bSJed Brown PetscMPIInt rank; 17c4762a1bSJed Brown 18c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 19*5f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 20*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg)); 212c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option"); 22*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd)); 23*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A)); 24*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetFromOptions(A)); 25*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatLoad(A,fd)); 26*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerDestroy(&fd)); 27c4762a1bSJed Brown 28*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetSize(A,NULL,&n)); 29*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscMalloc1(n,&reductions_real)); 30*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscMalloc1(n,&reductions_scalar)); 31c4762a1bSJed Brown 32*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetColumnNorms(A,NORM_2,reductions_real)); 33dd400576SPatrick Sanan if (rank == 0) { 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_2:\n")); 35*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 36c4762a1bSJed Brown } 37c4762a1bSJed Brown 38*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetColumnNorms(A,NORM_1,reductions_real)); 39dd400576SPatrick Sanan if (rank == 0) { 40*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_1:\n")); 41*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 42c4762a1bSJed Brown } 43c4762a1bSJed Brown 44*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetColumnNorms(A,NORM_INFINITY,reductions_real)); 45dd400576SPatrick Sanan if (rank == 0) { 46*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"NORM_INFINITY:\n")); 47*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscRealView(n,reductions_real,PETSC_VIEWER_STDOUT_SELF)); 48c4762a1bSJed Brown } 49c4762a1bSJed Brown 50*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetColumnSums(A,reductions_scalar)); 51a873a8cdSSam Reynolds if (!rank) { 52*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"REDUCTION_SUM:\n")); 53*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscScalarView(n,reductions_scalar,PETSC_VIEWER_STDOUT_SELF)); 54a873a8cdSSam Reynolds } 55a873a8cdSSam Reynolds 56*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatGetColumnMeans(A,reductions_scalar)); 57a873a8cdSSam Reynolds if (!rank) { 58*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"REDUCTION_MEAN:\n")); 59*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscScalarView(n,reductions_scalar,PETSC_VIEWER_STDOUT_SELF)); 60a873a8cdSSam Reynolds } 61a873a8cdSSam Reynolds 62*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscFree(reductions_real)); 63*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscFree(reductions_scalar)); 64*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 65c4762a1bSJed Brown ierr = PetscFinalize(); 66c4762a1bSJed Brown return ierr; 67c4762a1bSJed Brown } 68c4762a1bSJed Brown 69c4762a1bSJed Brown /*TEST 70c4762a1bSJed Brown 71c4762a1bSJed Brown test: 72c4762a1bSJed Brown suffix: 1 73c4762a1bSJed Brown nsize: 2 74dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 75c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/small -mat_type aij 76c4762a1bSJed Brown output_file: output/ex138.out 77c4762a1bSJed Brown 78c4762a1bSJed Brown test: 79c4762a1bSJed Brown suffix: 2 809463ebdaSPierre Jolivet nsize: {{1 2}} 81dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 82c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/small -mat_type baij -matload_block_size {{2 3}} 83c4762a1bSJed Brown output_file: output/ex138.out 84c4762a1bSJed Brown 85857cbf51SRichard Tran Mills test: 86857cbf51SRichard Tran Mills suffix: complex 87857cbf51SRichard Tran Mills nsize: 2 88857cbf51SRichard Tran Mills requires: datafilespath complex double !defined(PETSC_USE_64BIT_INDICES) 89857cbf51SRichard Tran Mills args: -f ${DATAFILESPATH}/matrices/nimrod/small_112905 -mat_type aij 90857cbf51SRichard Tran Mills output_file: output/ex138_complex.out 91857cbf51SRichard Tran Mills filter: grep -E "\ 0:|1340:|1344:" 92857cbf51SRichard Tran Mills 93c4762a1bSJed Brown TEST*/ 94