1*c4762a1bSJed Brown static char help[] = "Test MatMatMatMult\n\ 2*c4762a1bSJed Brown Reads PETSc matrix A B and C, then comput D=A*B*C \n\ 3*c4762a1bSJed Brown Input parameters include\n\ 4*c4762a1bSJed Brown -fA <input_file> -fB <input_file> -fC <input_file> \n\n"; 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown #include <petscmat.h> 7*c4762a1bSJed Brown 8*c4762a1bSJed Brown int main(int argc,char **args) 9*c4762a1bSJed Brown { 10*c4762a1bSJed Brown Mat A,B,C,D,BC,ABC; 11*c4762a1bSJed Brown PetscViewer fd; 12*c4762a1bSJed Brown char file[3][PETSC_MAX_PATH_LEN]; 13*c4762a1bSJed Brown PetscBool flg; 14*c4762a1bSJed Brown PetscErrorCode ierr; 15*c4762a1bSJed Brown 16*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 17*c4762a1bSJed Brown /* read matrices A, B and C */ 18*c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-fA",file[0],PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 19*c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fA options"); 20*c4762a1bSJed Brown 21*c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-fB",file[1],PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 22*c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fB options"); 23*c4762a1bSJed Brown 24*c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-fC",file[2],PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 25*c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fC options"); 26*c4762a1bSJed Brown 27*c4762a1bSJed Brown /* Load matrices */ 28*c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[0],FILE_MODE_READ,&fd);CHKERRQ(ierr); 29*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 30*c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 31*c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 32*c4762a1bSJed Brown 33*c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[1],FILE_MODE_READ,&fd);CHKERRQ(ierr); 34*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&B);CHKERRQ(ierr); 35*c4762a1bSJed Brown ierr = MatLoad(B,fd);CHKERRQ(ierr); 36*c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 37*c4762a1bSJed Brown 38*c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[2],FILE_MODE_READ,&fd);CHKERRQ(ierr); 39*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr); 40*c4762a1bSJed Brown ierr = MatLoad(C,fd);CHKERRQ(ierr); 41*c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 42*c4762a1bSJed Brown 43*c4762a1bSJed Brown /* Test MatMatMult() */ 44*c4762a1bSJed Brown ierr = MatMatMult(B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&BC);CHKERRQ(ierr); 45*c4762a1bSJed Brown ierr = MatMatMult(A,BC,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&ABC);CHKERRQ(ierr); 46*c4762a1bSJed Brown 47*c4762a1bSJed Brown ierr = MatMatMatMult(A,B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&D);CHKERRQ(ierr); 48*c4762a1bSJed Brown ierr = MatMatMatMult(A,B,C,MAT_REUSE_MATRIX,PETSC_DEFAULT,&D);CHKERRQ(ierr); 49*c4762a1bSJed Brown /* ierr = MatView(D,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); */ 50*c4762a1bSJed Brown 51*c4762a1bSJed Brown ierr = MatEqual(ABC,D,&flg);CHKERRQ(ierr); 52*c4762a1bSJed Brown if (!flg) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_ARG_INCOMP,"ABC != D"); 53*c4762a1bSJed Brown 54*c4762a1bSJed Brown ierr = MatDestroy(&ABC);CHKERRQ(ierr); 55*c4762a1bSJed Brown ierr = MatDestroy(&BC);CHKERRQ(ierr); 56*c4762a1bSJed Brown ierr = MatDestroy(&D);CHKERRQ(ierr); 57*c4762a1bSJed Brown ierr = MatDestroy(&C);CHKERRQ(ierr); 58*c4762a1bSJed Brown ierr = MatDestroy(&B);CHKERRQ(ierr); 59*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 60*c4762a1bSJed Brown ierr = PetscFinalize(); 61*c4762a1bSJed Brown return ierr; 62*c4762a1bSJed Brown } 63*c4762a1bSJed Brown 64*c4762a1bSJed Brown /*TEST 65*c4762a1bSJed Brown 66*c4762a1bSJed Brown test: 67*c4762a1bSJed Brown requires: datafilespath !complex double !define(PETSC_USE_64BIT_INDICES) 68*c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 69*c4762a1bSJed Brown output_file: output/ex198.out 70*c4762a1bSJed Brown 71*c4762a1bSJed Brown test: 72*c4762a1bSJed Brown suffix: 2 73*c4762a1bSJed Brown nsize: 3 74*c4762a1bSJed Brown requires: datafilespath !complex double !define(PETSC_USE_64BIT_INDICES) 75*c4762a1bSJed Brown args: -fA ${DATAFILESPATH}/matrices/matmatmatmult/A.bin -fB ${DATAFILESPATH}/matrices/matmatmatmult/B.bin -fC ${DATAFILESPATH}/matrices/matmatmatmult/C.bin 76*c4762a1bSJed Brown output_file: output/ex198.out 77*c4762a1bSJed Brown 78*c4762a1bSJed Brown TEST*/ 79