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 8c4762a1bSJed Brown int main(int argc,char **args) 9c4762a1bSJed Brown { 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 15*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 16c4762a1bSJed Brown /* read matrices A, B and C */ 17*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL,NULL,"-fA",file[0],sizeof(file[0]),&flg)); 1828b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fA options"); 19c4762a1bSJed Brown 20*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL,NULL,"-fB",file[1],sizeof(file[1]),&flg)); 2128b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fB options"); 22c4762a1bSJed Brown 23*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL,NULL,"-fC",file[2],sizeof(file[2]),&flg)); 2428b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fC options"); 25c4762a1bSJed Brown 26c4762a1bSJed Brown /* Load matrices */ 27*9566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[0],FILE_MODE_READ,&fd)); 28*9566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); 29*9566063dSJacob Faibussowitsch PetscCall(MatLoad(A,fd)); 30*9566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 31c4762a1bSJed Brown 32*9566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[1],FILE_MODE_READ,&fd)); 33*9566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&B)); 34*9566063dSJacob Faibussowitsch PetscCall(MatLoad(B,fd)); 35*9566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 36c4762a1bSJed Brown 37*9566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[2],FILE_MODE_READ,&fd)); 38*9566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&C)); 39*9566063dSJacob Faibussowitsch PetscCall(MatLoad(C,fd)); 40*9566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&fd)); 41c4762a1bSJed Brown 42c4762a1bSJed Brown /* Test MatMatMult() */ 43*9566063dSJacob Faibussowitsch PetscCall(MatMatMult(B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&BC)); 44*9566063dSJacob Faibussowitsch PetscCall(MatMatMult(A,BC,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&ABC)); 45c4762a1bSJed Brown 46*9566063dSJacob Faibussowitsch PetscCall(MatMatMatMult(A,B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&D)); 47*9566063dSJacob Faibussowitsch PetscCall(MatMatMatMult(A,B,C,MAT_REUSE_MATRIX,PETSC_DEFAULT,&D)); 48*9566063dSJacob Faibussowitsch /* PetscCall(MatView(D,PETSC_VIEWER_STDOUT_WORLD)); */ 49c4762a1bSJed Brown 50*9566063dSJacob Faibussowitsch PetscCall(MatEqual(ABC,D,&flg)); 5128b400f6SJacob Faibussowitsch PetscCheck(flg,PetscObjectComm((PetscObject)A),PETSC_ERR_ARG_INCOMP,"ABC != D"); 52c4762a1bSJed Brown 53*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&ABC)); 54*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&BC)); 55*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&D)); 56*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 57*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 58*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 59*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 60b122ec5aSJacob Faibussowitsch return 0; 61c4762a1bSJed Brown } 62c4762a1bSJed Brown 63c4762a1bSJed Brown /*TEST 64c4762a1bSJed Brown 65c4762a1bSJed Brown test: 66dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 67c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 68c4762a1bSJed Brown output_file: output/ex198.out 69c4762a1bSJed Brown 70c4762a1bSJed Brown test: 71c4762a1bSJed Brown suffix: 2 72c4762a1bSJed Brown nsize: 3 73dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES) 74c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 75c4762a1bSJed Brown output_file: output/ex198.out 76c4762a1bSJed Brown 77c4762a1bSJed Brown TEST*/ 78