1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatMPIBAIJ format in sequential run \n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 6*d71ae5a4SJacob Faibussowitsch { 7c4762a1bSJed Brown Mat A, B; 8c4762a1bSJed Brown PetscInt i, rstart, rend; 9c4762a1bSJed Brown PetscMPIInt rank, size; 10c4762a1bSJed Brown PetscScalar v; 11c4762a1bSJed Brown 12327415f7SBarry Smith PetscFunctionBeginUser; 139566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 149566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 159566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 16c4762a1bSJed Brown 17c4762a1bSJed Brown /* Create a MPIBAIJ matrix */ 189566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 199566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 32, 32)); 209566063dSJacob Faibussowitsch PetscCall(MatSetType(A, MATMPIBAIJ)); 219566063dSJacob Faibussowitsch PetscCall(MatSeqBAIJSetPreallocation(A, 2, 2, NULL)); 229566063dSJacob Faibussowitsch PetscCall(MatMPIBAIJSetPreallocation(A, 2, 2, NULL, 2, NULL)); 23c4762a1bSJed Brown 24c4762a1bSJed Brown v = 1.0; 259566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A, &rstart, &rend)); 2648a46eb9SPierre Jolivet for (i = rstart; i < rend; i++) PetscCall(MatSetValues(A, 1, &i, 1, &i, &v, INSERT_VALUES)); 279566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 289566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 29c4762a1bSJed Brown 30c4762a1bSJed Brown /* Convert A to AIJ format */ 319566063dSJacob Faibussowitsch PetscCall(MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &B)); 32c4762a1bSJed Brown 339566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 349566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 359566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 36b122ec5aSJacob Faibussowitsch return 0; 37c4762a1bSJed Brown } 38c4762a1bSJed Brown 39c4762a1bSJed Brown /*TEST 40c4762a1bSJed Brown 41c4762a1bSJed Brown test: 42c4762a1bSJed Brown output_file: output/ex160.out 43c4762a1bSJed Brown 44c4762a1bSJed Brown TEST*/ 45