xref: /petsc/src/mat/tests/ex119.c (revision 589a23caa660d2a5f330cc8d1ed213e9cfaf51a7)
1c4762a1bSJed Brown static char help[] = "Tests binary MatView() for MPIDENSE matrices \n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscmat.h>
4c4762a1bSJed Brown 
5c4762a1bSJed Brown 
6c4762a1bSJed Brown int main(int argc,char **args)
7c4762a1bSJed Brown {
8c4762a1bSJed Brown   PetscErrorCode ierr;
9c4762a1bSJed Brown   Mat            A;
10c4762a1bSJed Brown   PetscViewer    viewer;
11c4762a1bSJed Brown   char           inputfile[256],outputfile[256];
12c4762a1bSJed Brown   PetscBool      flg;
13c4762a1bSJed Brown 
14c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return(ierr);
15*589a23caSBarry Smith   ierr = PetscOptionsGetString(NULL,NULL,"-inputfile",inputfile,sizeof(inputfile),&flg);CHKERRQ(ierr);
16*589a23caSBarry Smith   ierr = PetscOptionsGetString(NULL,NULL,"-outputfile",outputfile,sizeof(outputfile),&flg);CHKERRQ(ierr);
17c4762a1bSJed Brown   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,inputfile,FILE_MODE_READ,&viewer);CHKERRQ(ierr);
18c4762a1bSJed Brown   ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
19c4762a1bSJed Brown   ierr = MatSetType(A,MATDENSE);CHKERRQ(ierr);
20c4762a1bSJed Brown   ierr = MatLoad(A,viewer);CHKERRQ(ierr);
21c4762a1bSJed Brown   ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
22c4762a1bSJed Brown   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,outputfile,FILE_MODE_WRITE,&viewer);CHKERRQ(ierr);
23c4762a1bSJed Brown   ierr = MatView(A,viewer);CHKERRQ(ierr);
24c4762a1bSJed Brown   ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
25c4762a1bSJed Brown   ierr = PetscFinalize();
26c4762a1bSJed Brown   return ierr;
27c4762a1bSJed Brown }
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