1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatGetColumnNorms() 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; 10c4762a1bSJed Brown PetscReal *norms; 11c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; 12c4762a1bSJed Brown PetscBool flg; 13c4762a1bSJed Brown PetscViewer fd; 14c4762a1bSJed Brown PetscInt n; 15c4762a1bSJed Brown PetscMPIInt rank; 16c4762a1bSJed Brown 17c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 18ffc4695bSBarry Smith ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr); 19589a23caSBarry Smith ierr = PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg);CHKERRQ(ierr); 20c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option"); 21c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr); 22c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 23c4762a1bSJed Brown ierr = MatSetFromOptions(A);CHKERRQ(ierr); 24c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 25c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 26c4762a1bSJed Brown 27c4762a1bSJed Brown ierr = MatGetSize(A,NULL,&n);CHKERRQ(ierr); 28c4762a1bSJed Brown ierr = PetscMalloc1(n,&norms);CHKERRQ(ierr); 29c4762a1bSJed Brown 30c4762a1bSJed Brown ierr = MatGetColumnNorms(A,NORM_2,norms);CHKERRQ(ierr); 31c4762a1bSJed Brown if (!rank) { 32c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_SELF,"NORM_2:\n");CHKERRQ(ierr); 33c4762a1bSJed Brown ierr = PetscRealView(n,norms,PETSC_VIEWER_STDOUT_SELF);CHKERRQ(ierr); 34c4762a1bSJed Brown } 35c4762a1bSJed Brown 36c4762a1bSJed Brown ierr = MatGetColumnNorms(A,NORM_1,norms);CHKERRQ(ierr); 37c4762a1bSJed Brown if (!rank) { 38c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_SELF,"NORM_1:\n");CHKERRQ(ierr); 39c4762a1bSJed Brown ierr = PetscRealView(n,norms,PETSC_VIEWER_STDOUT_SELF);CHKERRQ(ierr); 40c4762a1bSJed Brown } 41c4762a1bSJed Brown 42c4762a1bSJed Brown ierr = MatGetColumnNorms(A,NORM_INFINITY,norms);CHKERRQ(ierr); 43c4762a1bSJed Brown if (!rank) { 44c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_SELF,"NORM_INFINITY:\n");CHKERRQ(ierr); 45c4762a1bSJed Brown ierr = PetscRealView(n,norms,PETSC_VIEWER_STDOUT_SELF);CHKERRQ(ierr); 46c4762a1bSJed Brown } 47c4762a1bSJed Brown 48c4762a1bSJed Brown ierr = PetscFree(norms);CHKERRQ(ierr); 49c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 50c4762a1bSJed Brown ierr = PetscFinalize(); 51c4762a1bSJed Brown return ierr; 52c4762a1bSJed Brown } 53c4762a1bSJed Brown 54c4762a1bSJed Brown /*TEST 55c4762a1bSJed Brown 56c4762a1bSJed Brown test: 57c4762a1bSJed Brown suffix: 1 58c4762a1bSJed Brown nsize: 2 59*dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 60c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/small -mat_type aij 61c4762a1bSJed Brown output_file: output/ex138.out 62c4762a1bSJed Brown 63c4762a1bSJed Brown test: 64c4762a1bSJed Brown suffix: 2 65c4762a1bSJed Brown nsize: 2 66*dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 67c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/small -mat_type baij -matload_block_size {{2 3}} 68c4762a1bSJed Brown output_file: output/ex138.out 69c4762a1bSJed Brown 70c4762a1bSJed Brown TEST*/ 71