1c4762a1bSJed Brown static char help[] = "Test MatMatMult() and MatTransposeMatMult() for MPIAIJ and MPIDENSE matrices. \n\ 2ad16ce7aSStefano Zampini Sequential part of mpidense matrix allows changes made by MatDenseSetLDA(). \n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petsc.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown int main(int argc, char ** argv) 7c4762a1bSJed Brown { 8ad16ce7aSStefano Zampini Mat A, B, C, C1; 9c4762a1bSJed Brown PetscMPIInt size; 10c4762a1bSJed Brown PetscInt i,ia[2] = { 0, 2 }, ja[2] = { 0, 1 }, lda = 4; 11c4762a1bSJed Brown PetscScalar a[2] = { 1.0, 1.0 }, *data; 12c4762a1bSJed Brown PetscBool flg; 13c4762a1bSJed Brown 14*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc, &argv, (char*)0,help)); 155f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 162c71b3e2SJacob Faibussowitsch PetscCheckFalse(size != 2,PETSC_COMM_WORLD,PETSC_ERR_SUP,"Must use 2 processors"); 17c4762a1bSJed Brown 185f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD, &A)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetType(A, MATMPIAIJ)); 205f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(A, 1, 1, 2, 2)); 215f80ce2aSJacob Faibussowitsch CHKERRQ(MatMPIAIJSetPreallocationCSR(A, ia, ja, a)); 22c4762a1bSJed Brown 235f80ce2aSJacob Faibussowitsch CHKERRQ(PetscCalloc1(4 * lda,&data)); 24c4762a1bSJed Brown for (i = 0; i < 4; ++i) data[lda * i] = i * 1.0; 25c4762a1bSJed Brown 265f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateDense(PETSC_COMM_WORLD, 1, PETSC_DECIDE, 2, 4, data, &B)); 275f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetOptionsPrefix(B,"b_")); 285f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetFromOptions(B)); 295f80ce2aSJacob Faibussowitsch CHKERRQ(MatDenseSetLDA(B, lda)); 30c4762a1bSJed Brown 31c4762a1bSJed Brown /* Test MatMatMult() */ 325f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMult(A, B, MAT_INITIAL_MATRIX, PETSC_DEFAULT, &C)); 335f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMult(A, B, MAT_REUSE_MATRIX, PETSC_DEFAULT, &C)); 34c4762a1bSJed Brown 355f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMultEqual(A,B,C,10,&flg)); 3628b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_ARG_NOTSAMETYPE,"Error in MatMatMult() for C"); 37c4762a1bSJed Brown 38c4762a1bSJed Brown /* Test user-provided mpidense matrix product */ 395f80ce2aSJacob Faibussowitsch CHKERRQ(MatDuplicate(C,MAT_COPY_VALUES,&C1)); 405f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMult(A, B, MAT_REUSE_MATRIX, PETSC_DEFAULT, &C1)); 415f80ce2aSJacob Faibussowitsch CHKERRQ(MatMatMultEqual(A,B,C1,10,&flg)); 4228b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_ARG_NOTSAMETYPE,"Error in MatMatMult() for C1"); 43c4762a1bSJed Brown 445f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C1)); 455f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C)); 46c4762a1bSJed Brown 47c4762a1bSJed Brown /* Test MatTransposeMatMult() */ 485f80ce2aSJacob Faibussowitsch CHKERRQ(MatTransposeMatMult(A, B, MAT_INITIAL_MATRIX, PETSC_DEFAULT, &C)); 495f80ce2aSJacob Faibussowitsch CHKERRQ(MatTransposeMatMult(A, B, MAT_REUSE_MATRIX, PETSC_DEFAULT, &C)); 50c4762a1bSJed Brown 515f80ce2aSJacob Faibussowitsch CHKERRQ(MatTransposeMatMultEqual(A,B,C,10,&flg)); 5228b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_SELF,PETSC_ERR_ARG_NOTSAMETYPE,"Error in MatTransposeMatMult()"); 535f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C)); 54c4762a1bSJed Brown 555f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&B)); 565f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 575f80ce2aSJacob Faibussowitsch CHKERRQ(PetscFree(data)); 58c4762a1bSJed Brown 59*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 60*b122ec5aSJacob Faibussowitsch return 0; 61c4762a1bSJed Brown } 62c4762a1bSJed Brown 63c4762a1bSJed Brown /*TEST 64c4762a1bSJed Brown 65c4762a1bSJed Brown test: 66c4762a1bSJed Brown suffix: 1 67c4762a1bSJed Brown nsize: 2 68c4762a1bSJed Brown output_file: output/ex34.out 69a5225ed3SStefano Zampini 70a5225ed3SStefano Zampini test: 71a5225ed3SStefano Zampini suffix: 1_cuda 72a5225ed3SStefano Zampini requires: cuda 73a5225ed3SStefano Zampini nsize: 2 74a5225ed3SStefano Zampini args: -b_mat_type mpidensecuda 75a5225ed3SStefano Zampini output_file: output/ex34.out 76c4762a1bSJed Brown TEST*/ 77