1c4762a1bSJed Brown static char help[] = "Test MatMatMatMult\n\ 2c4762a1bSJed Brown Reads PETSc matrix A B and C, then comput D=A*B*C \n\ 3c4762a1bSJed Brown Input parameters include\n\ 4c4762a1bSJed Brown -fA <input_file> -fB <input_file> -fC <input_file> \n\n"; 5c4762a1bSJed Brown 6c4762a1bSJed Brown #include <petscmat.h> 7c4762a1bSJed Brown 8d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 9d71ae5a4SJacob Faibussowitsch { 10c4762a1bSJed Brown Mat A, B, C, D, BC, ABC; 11c4762a1bSJed Brown PetscViewer fd; 12c4762a1bSJed Brown char file[3][PETSC_MAX_PATH_LEN]; 13c4762a1bSJed Brown PetscBool flg; 14c4762a1bSJed Brown 15327415f7SBarry Smith PetscFunctionBeginUser; 16c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help)); 17c4762a1bSJed Brown /* read matrices A, B and C */ 189566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-fA", file[0], sizeof(file[0]), &flg)); 1928b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_SELF, PETSC_ERR_USER, "Must indicate binary file with the -fA options"); 20c4762a1bSJed Brown 219566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-fB", file[1], sizeof(file[1]), &flg)); 2228b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_SELF, PETSC_ERR_USER, "Must indicate binary file with the -fB options"); 23c4762a1bSJed Brown 249566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-fC", file[2], sizeof(file[2]), &flg)); 2528b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_SELF, PETSC_ERR_USER, "Must indicate binary file with the -fC options"); 26c4762a1bSJed Brown 27c4762a1bSJed Brown /* Load matrices */ 289566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file[0], FILE_MODE_READ, &fd)); 299566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 309566063dSJacob Faibussowitsch PetscCall(MatLoad(A, fd)); 319566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 32c4762a1bSJed Brown 339566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file[1], FILE_MODE_READ, &fd)); 349566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &B)); 359566063dSJacob Faibussowitsch PetscCall(MatLoad(B, fd)); 369566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 37c4762a1bSJed Brown 389566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file[2], FILE_MODE_READ, &fd)); 399566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &C)); 409566063dSJacob Faibussowitsch PetscCall(MatLoad(C, fd)); 419566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 42c4762a1bSJed Brown 43c4762a1bSJed Brown /* Test MatMatMult() */ 44fb842aefSJose E. Roman PetscCall(MatMatMult(B, C, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &BC)); 45fb842aefSJose E. Roman PetscCall(MatMatMult(A, BC, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &ABC)); 46c4762a1bSJed Brown 47fb842aefSJose E. Roman PetscCall(MatMatMatMult(A, B, C, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &D)); 48fb842aefSJose E. Roman PetscCall(MatMatMatMult(A, B, C, MAT_REUSE_MATRIX, PETSC_DETERMINE, &D)); 499566063dSJacob Faibussowitsch /* PetscCall(MatView(D,PETSC_VIEWER_STDOUT_WORLD)); */ 50c4762a1bSJed Brown 519566063dSJacob Faibussowitsch PetscCall(MatEqual(ABC, D, &flg)); 5228b400f6SJacob Faibussowitsch PetscCheck(flg, PetscObjectComm((PetscObject)A), PETSC_ERR_ARG_INCOMP, "ABC != D"); 53c4762a1bSJed Brown 549566063dSJacob Faibussowitsch PetscCall(MatDestroy(&ABC)); 559566063dSJacob Faibussowitsch PetscCall(MatDestroy(&BC)); 569566063dSJacob Faibussowitsch PetscCall(MatDestroy(&D)); 579566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 589566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 599566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 609566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 61b122ec5aSJacob Faibussowitsch return 0; 62c4762a1bSJed Brown } 63c4762a1bSJed Brown 64c4762a1bSJed Brown /*TEST 65c4762a1bSJed Brown 66c4762a1bSJed Brown test: 67dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 68c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 69*3886731fSPierre Jolivet output_file: output/empty.out 70c4762a1bSJed Brown 71c4762a1bSJed Brown test: 72c4762a1bSJed Brown suffix: 2 73c4762a1bSJed Brown nsize: 3 74dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 75c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 76*3886731fSPierre Jolivet output_file: output/empty.out 77c4762a1bSJed Brown 78c4762a1bSJed Brown TEST*/ 79