xref: /petsc/src/mat/tests/ex100.c (revision b122ec5aa1bd4469eb4e0673542fb7de3f411254)
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   PetscBool      flg;
14c4762a1bSJed Brown 
15*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help));
165f80ce2aSJacob Faibussowitsch   CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank));
175f80ce2aSJacob Faibussowitsch   CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size));
18c4762a1bSJed Brown 
19c4762a1bSJed Brown   /* Load aij matrix A */
205f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg));
2128b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option");
225f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd));
235f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A));
245f80ce2aSJacob Faibussowitsch   CHKERRQ(MatLoad(A,fd));
255f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerDestroy(&fd));
26c4762a1bSJed Brown 
27c4762a1bSJed Brown   /* Get dof, then create maij matrix MA */
285f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-dof",&dof,NULL));
295f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreateMAIJ(A,dof,&MA));
305f80ce2aSJacob Faibussowitsch   CHKERRQ(MatGetLocalSize(MA,&m,&n));
315f80ce2aSJacob Faibussowitsch   CHKERRQ(MatGetSize(MA,&M,&N));
32c4762a1bSJed Brown 
33c4762a1bSJed Brown   if (size == 1) {
345f80ce2aSJacob Faibussowitsch     CHKERRQ(MatConvert(MA,MATSEQAIJ,MAT_INITIAL_MATRIX,&B));
35c4762a1bSJed Brown   } else {
365f80ce2aSJacob Faibussowitsch     CHKERRQ(MatConvert(MA,MATMPIAIJ,MAT_INITIAL_MATRIX,&B));
37c4762a1bSJed Brown   }
38c4762a1bSJed Brown 
39c4762a1bSJed Brown   /* Test MatMult() */
405f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultEqual(MA,B,10,&flg));
4128b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMul() for MAIJ matrix");
42c4762a1bSJed Brown   /* Test MatMultAdd() */
435f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultAddEqual(MA,B,10,&flg));
4428b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
45c4762a1bSJed Brown 
46c4762a1bSJed Brown   /* Test MatMultTranspose() */
475f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultTransposeEqual(MA,B,10,&flg));
4828b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
49c4762a1bSJed Brown 
50c4762a1bSJed Brown   /* Test MatMultTransposeAdd() */
515f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultTransposeAddEqual(MA,B,10,&flg));
5228b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulTransposeAdd() for MAIJ matrix");
53c4762a1bSJed Brown 
545f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&MA));
555f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&A));
565f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&B));
57*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscFinalize());
58*b122ec5aSJacob Faibussowitsch   return 0;
59c4762a1bSJed Brown }
60c4762a1bSJed Brown 
61c4762a1bSJed Brown /*TEST
62c4762a1bSJed Brown 
63c4762a1bSJed Brown    build:
64c4762a1bSJed Brown       requires: !complex
65c4762a1bSJed Brown 
66c4762a1bSJed Brown    test:
67c4762a1bSJed Brown       nsize: {{1 3}}
68dfd57a17SPierre Jolivet       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
69c4762a1bSJed Brown       args: -f ${DATAFILESPATH}/matrices/arco1 -dof {{1 2 3 4 5 6 8 9 16}} -viewer_binary_skip_info
70c4762a1bSJed Brown 
71c4762a1bSJed Brown TEST*/
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