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 PetscErrorCode ierr; 15c4762a1bSJed Brown 16c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 17c4762a1bSJed Brown /* read matrices A, B and C */ 18589a23caSBarry Smith ierr = PetscOptionsGetString(NULL,NULL,"-fA",file[0],sizeof(file[0]),&flg);CHKERRQ(ierr); 19c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fA options"); 20c4762a1bSJed Brown 21589a23caSBarry Smith ierr = PetscOptionsGetString(NULL,NULL,"-fB",file[1],sizeof(file[1]),&flg);CHKERRQ(ierr); 22c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fB options"); 23c4762a1bSJed Brown 24589a23caSBarry Smith ierr = PetscOptionsGetString(NULL,NULL,"-fC",file[2],sizeof(file[2]),&flg);CHKERRQ(ierr); 25c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fC options"); 26c4762a1bSJed Brown 27c4762a1bSJed Brown /* Load matrices */ 28c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[0],FILE_MODE_READ,&fd);CHKERRQ(ierr); 29c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 30c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 31c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 32c4762a1bSJed Brown 33c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[1],FILE_MODE_READ,&fd);CHKERRQ(ierr); 34c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&B);CHKERRQ(ierr); 35c4762a1bSJed Brown ierr = MatLoad(B,fd);CHKERRQ(ierr); 36c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 37c4762a1bSJed Brown 38c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[2],FILE_MODE_READ,&fd);CHKERRQ(ierr); 39c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr); 40c4762a1bSJed Brown ierr = MatLoad(C,fd);CHKERRQ(ierr); 41c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 42c4762a1bSJed Brown 43c4762a1bSJed Brown /* Test MatMatMult() */ 44c4762a1bSJed Brown ierr = MatMatMult(B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&BC);CHKERRQ(ierr); 45c4762a1bSJed Brown ierr = MatMatMult(A,BC,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&ABC);CHKERRQ(ierr); 46c4762a1bSJed Brown 47c4762a1bSJed Brown ierr = MatMatMatMult(A,B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&D);CHKERRQ(ierr); 48c4762a1bSJed Brown ierr = MatMatMatMult(A,B,C,MAT_REUSE_MATRIX,PETSC_DEFAULT,&D);CHKERRQ(ierr); 49c4762a1bSJed Brown /* ierr = MatView(D,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); */ 50c4762a1bSJed Brown 51c4762a1bSJed Brown ierr = MatEqual(ABC,D,&flg);CHKERRQ(ierr); 52c4762a1bSJed Brown if (!flg) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_ARG_INCOMP,"ABC != D"); 53c4762a1bSJed Brown 54c4762a1bSJed Brown ierr = MatDestroy(&ABC);CHKERRQ(ierr); 55c4762a1bSJed Brown ierr = MatDestroy(&BC);CHKERRQ(ierr); 56c4762a1bSJed Brown ierr = MatDestroy(&D);CHKERRQ(ierr); 57c4762a1bSJed Brown ierr = MatDestroy(&C);CHKERRQ(ierr); 58c4762a1bSJed Brown ierr = MatDestroy(&B);CHKERRQ(ierr); 59c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 60c4762a1bSJed Brown ierr = PetscFinalize(); 61c4762a1bSJed Brown return ierr; 62c4762a1bSJed Brown } 63c4762a1bSJed Brown 64c4762a1bSJed Brown /*TEST 65c4762a1bSJed Brown 66c4762a1bSJed Brown test: 67*dfd57a17SPierre 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 69c4762a1bSJed Brown output_file: output/ex198.out 70c4762a1bSJed Brown 71c4762a1bSJed Brown test: 72c4762a1bSJed Brown suffix: 2 73c4762a1bSJed Brown nsize: 3 74*dfd57a17SPierre 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 76c4762a1bSJed Brown output_file: output/ex198.out 77c4762a1bSJed Brown 78c4762a1bSJed Brown TEST*/ 79