1c4762a1bSJed Brown static char help[] = "Test MatNullSpaceTest() with options prefixes.\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscmat.h> 4c4762a1bSJed Brown 5c4762a1bSJed Brown int main(int argc, char **argv) 6c4762a1bSJed Brown { 7c4762a1bSJed Brown Mat mat; 8c4762a1bSJed Brown MatNullSpace nsp; 9c4762a1bSJed Brown PetscBool prefix = PETSC_FALSE, flg; 10c4762a1bSJed Brown PetscInt zero = 0; 11c4762a1bSJed Brown PetscScalar value = 0; 12*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc, &argv, NULL, help)); 13c4762a1bSJed Brown 145f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetBool(NULL, NULL, "-with_prefix",&prefix,NULL)); 155f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateDense(PETSC_COMM_WORLD, 1, 1, 1, 1, NULL, &mat)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetOptionsPrefix(mat, prefix ? "prefix_" : NULL)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(mat)); 185f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(mat, 1, &zero, 1, &zero, &value, INSERT_VALUES)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(mat, MAT_FINAL_ASSEMBLY)); 205f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(mat, MAT_FINAL_ASSEMBLY)); 215f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceCreate(PETSC_COMM_WORLD, PETSC_TRUE, 0, NULL, &nsp)); 225f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceTest(nsp, mat, &flg)); 2328b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Null space test failed!"); 245f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceDestroy(&nsp)); 255f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&mat)); 26*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 27*b122ec5aSJacob Faibussowitsch return 0; 28c4762a1bSJed Brown } 29c4762a1bSJed Brown 30c4762a1bSJed Brown /*TEST 31c4762a1bSJed Brown 32c4762a1bSJed Brown test: 33c4762a1bSJed Brown suffix: no_prefix 34c4762a1bSJed Brown output_file: output/ex227_no_prefix.out 35c4762a1bSJed Brown args: -mat_null_space_test_view -mat_view 36c4762a1bSJed Brown 37c4762a1bSJed Brown test: 38c4762a1bSJed Brown suffix: prefix 39c4762a1bSJed Brown output_file: output/ex227_prefix.out 40c4762a1bSJed Brown args: -prefix_mat_null_space_test_view -with_prefix -prefix_mat_view 41c4762a1bSJed Brown 42c4762a1bSJed Brown TEST*/ 43