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 */ 18*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetString(NULL,NULL,"-fA",file[0],sizeof(file[0]),&flg)); 192c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fA options"); 20c4762a1bSJed Brown 21*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetString(NULL,NULL,"-fB",file[1],sizeof(file[1]),&flg)); 222c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fB options"); 23c4762a1bSJed Brown 24*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetString(NULL,NULL,"-fC",file[2],sizeof(file[2]),&flg)); 252c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PETSC_COMM_SELF,PETSC_ERR_USER,"Must indicate binary file with the -fC options"); 26c4762a1bSJed Brown 27c4762a1bSJed Brown /* Load matrices */ 28*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[0],FILE_MODE_READ,&fd)); 29*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A)); 30*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatLoad(A,fd)); 31*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerDestroy(&fd)); 32c4762a1bSJed Brown 33*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[1],FILE_MODE_READ,&fd)); 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&B)); 35*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatLoad(B,fd)); 36*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerDestroy(&fd)); 37c4762a1bSJed Brown 38*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[2],FILE_MODE_READ,&fd)); 39*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&C)); 40*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatLoad(C,fd)); 41*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerDestroy(&fd)); 42c4762a1bSJed Brown 43c4762a1bSJed Brown /* Test MatMatMult() */ 44*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMult(B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&BC)); 45*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMult(A,BC,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&ABC)); 46c4762a1bSJed Brown 47*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMatMult(A,B,C,MAT_INITIAL_MATRIX,PETSC_DEFAULT,&D)); 48*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMatMult(A,B,C,MAT_REUSE_MATRIX,PETSC_DEFAULT,&D)); 49*5f80ce2aSJacob Faibussowitsch /* CHKERRQ(MatView(D,PETSC_VIEWER_STDOUT_WORLD)); */ 50c4762a1bSJed Brown 51*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatEqual(ABC,D,&flg)); 522c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PetscObjectComm((PetscObject)A),PETSC_ERR_ARG_INCOMP,"ABC != D"); 53c4762a1bSJed Brown 54*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&ABC)); 55*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&BC)); 56*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&D)); 57*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C)); 58*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&B)); 59*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 60c4762a1bSJed Brown ierr = PetscFinalize(); 61c4762a1bSJed Brown return ierr; 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 69c4762a1bSJed Brown output_file: output/ex198.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 76c4762a1bSJed Brown output_file: output/ex198.out 77c4762a1bSJed Brown 78c4762a1bSJed Brown TEST*/ 79