xref: /petsc/src/mat/tests/ex100.c (revision 28b400f66ebc7ae0049166a2294dfcd3df27e64b)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests various routines in MatMAIJ format.\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscmat.h>
5c4762a1bSJed Brown #define IMAX 15
6c4762a1bSJed Brown int main(int argc,char **args)
7c4762a1bSJed Brown {
8c4762a1bSJed Brown   Mat            A,B,MA;
9c4762a1bSJed Brown   PetscViewer    fd;
10c4762a1bSJed Brown   char           file[PETSC_MAX_PATH_LEN];
11c4762a1bSJed Brown   PetscInt       m,n,M,N,dof=1;
12c4762a1bSJed Brown   PetscMPIInt    rank,size;
13c4762a1bSJed Brown   PetscErrorCode ierr;
14c4762a1bSJed Brown   PetscBool      flg;
15c4762a1bSJed Brown 
16c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
175f80ce2aSJacob Faibussowitsch   CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank));
185f80ce2aSJacob Faibussowitsch   CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size));
19c4762a1bSJed Brown 
20c4762a1bSJed Brown   /* Load aij matrix A */
215f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg));
22*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option");
235f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd));
245f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A));
255f80ce2aSJacob Faibussowitsch   CHKERRQ(MatLoad(A,fd));
265f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerDestroy(&fd));
27c4762a1bSJed Brown 
28c4762a1bSJed Brown   /* Get dof, then create maij matrix MA */
295f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-dof",&dof,NULL));
305f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreateMAIJ(A,dof,&MA));
315f80ce2aSJacob Faibussowitsch   CHKERRQ(MatGetLocalSize(MA,&m,&n));
325f80ce2aSJacob Faibussowitsch   CHKERRQ(MatGetSize(MA,&M,&N));
33c4762a1bSJed Brown 
34c4762a1bSJed Brown   if (size == 1) {
355f80ce2aSJacob Faibussowitsch     CHKERRQ(MatConvert(MA,MATSEQAIJ,MAT_INITIAL_MATRIX,&B));
36c4762a1bSJed Brown   } else {
375f80ce2aSJacob Faibussowitsch     CHKERRQ(MatConvert(MA,MATMPIAIJ,MAT_INITIAL_MATRIX,&B));
38c4762a1bSJed Brown   }
39c4762a1bSJed Brown 
40c4762a1bSJed Brown   /* Test MatMult() */
415f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultEqual(MA,B,10,&flg));
42*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMul() for MAIJ matrix");
43c4762a1bSJed Brown   /* Test MatMultAdd() */
445f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultAddEqual(MA,B,10,&flg));
45*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
46c4762a1bSJed Brown 
47c4762a1bSJed Brown   /* Test MatMultTranspose() */
485f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultTransposeEqual(MA,B,10,&flg));
49*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
50c4762a1bSJed Brown 
51c4762a1bSJed Brown   /* Test MatMultTransposeAdd() */
525f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultTransposeAddEqual(MA,B,10,&flg));
53*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulTransposeAdd() for MAIJ matrix");
54c4762a1bSJed Brown 
555f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&MA));
565f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&A));
575f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&B));
58c4762a1bSJed Brown   ierr = PetscFinalize();
59c4762a1bSJed Brown   return ierr;
60c4762a1bSJed Brown }
61c4762a1bSJed Brown 
62c4762a1bSJed Brown /*TEST
63c4762a1bSJed Brown 
64c4762a1bSJed Brown    build:
65c4762a1bSJed Brown       requires: !complex
66c4762a1bSJed Brown 
67c4762a1bSJed Brown    test:
68c4762a1bSJed Brown       nsize: {{1 3}}
69dfd57a17SPierre Jolivet       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
70c4762a1bSJed Brown       args: -f ${DATAFILESPATH}/matrices/arco1 -dof {{1 2 3 4 5 6 8 9 16}} -viewer_binary_skip_info
71c4762a1bSJed Brown 
72c4762a1bSJed Brown TEST*/
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