xref: /petsc/src/mat/tests/ex100.c (revision dfd57a172ac9fa6c7b5fe6de6ab5df85cefc2996)
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;
17ffc4695bSBarry Smith   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr);
18ffc4695bSBarry Smith   ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRMPI(ierr);
19c4762a1bSJed Brown 
20c4762a1bSJed Brown   /* Load aij matrix A */
21589a23caSBarry Smith   ierr = PetscOptionsGetString(NULL,NULL,"-f",file,sizeof(file),&flg);CHKERRQ(ierr);
22c4762a1bSJed Brown   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f option");
23c4762a1bSJed Brown   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr);
24c4762a1bSJed Brown   ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
25c4762a1bSJed Brown   ierr = MatLoad(A,fd);CHKERRQ(ierr);
26c4762a1bSJed Brown   ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr);
27c4762a1bSJed Brown 
28c4762a1bSJed Brown   /* Get dof, then create maij matrix MA */
29c4762a1bSJed Brown   ierr = PetscOptionsGetInt(NULL,NULL,"-dof",&dof,NULL);CHKERRQ(ierr);
30c4762a1bSJed Brown   ierr = MatCreateMAIJ(A,dof,&MA);CHKERRQ(ierr);
31c4762a1bSJed Brown   ierr = MatGetLocalSize(MA,&m,&n);CHKERRQ(ierr);
32c4762a1bSJed Brown   ierr = MatGetSize(MA,&M,&N);CHKERRQ(ierr);
33c4762a1bSJed Brown 
34c4762a1bSJed Brown   if (size == 1) {
35c4762a1bSJed Brown     ierr = MatConvert(MA,MATSEQAIJ,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
36c4762a1bSJed Brown   } else {
37c4762a1bSJed Brown     ierr = MatConvert(MA,MATMPIAIJ,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
38c4762a1bSJed Brown   }
39c4762a1bSJed Brown 
40c4762a1bSJed Brown   /* Test MatMult() */
41c4762a1bSJed Brown   ierr = MatMultEqual(MA,B,10,&flg);CHKERRQ(ierr);
42c4762a1bSJed Brown   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMul() for MAIJ matrix");
43c4762a1bSJed Brown   /* Test MatMultAdd() */
44c4762a1bSJed Brown   ierr = MatMultAddEqual(MA,B,10,&flg);CHKERRQ(ierr);
45c4762a1bSJed Brown   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
46c4762a1bSJed Brown 
47c4762a1bSJed Brown   /* Test MatMultTranspose() */
48c4762a1bSJed Brown   ierr = MatMultTransposeEqual(MA,B,10,&flg);CHKERRQ(ierr);
49c4762a1bSJed Brown   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulAdd() for MAIJ matrix");
50c4762a1bSJed Brown 
51c4762a1bSJed Brown   /* Test MatMultTransposeAdd() */
52c4762a1bSJed Brown   ierr = MatMultTransposeAddEqual(MA,B,10,&flg);CHKERRQ(ierr);
53c4762a1bSJed Brown   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_CONV_FAILED,"Error: MatMulTransposeAdd() for MAIJ matrix");
54c4762a1bSJed Brown 
55c4762a1bSJed Brown   ierr = MatDestroy(&MA);CHKERRQ(ierr);
56c4762a1bSJed Brown   ierr = MatDestroy(&A);CHKERRQ(ierr);
57c4762a1bSJed Brown   ierr = MatDestroy(&B);CHKERRQ(ierr);
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}}
69*dfd57a17SPierre 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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