xref: /petsc/src/mat/tests/ex119.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown static char help[] = "Tests binary MatView() for MPIDENSE matrices \n\n";
2*c4762a1bSJed Brown 
3*c4762a1bSJed Brown #include <petscmat.h>
4*c4762a1bSJed Brown 
5*c4762a1bSJed Brown 
6*c4762a1bSJed Brown int main(int argc,char **args)
7*c4762a1bSJed Brown {
8*c4762a1bSJed Brown   PetscErrorCode ierr;
9*c4762a1bSJed Brown   Mat            A;
10*c4762a1bSJed Brown   PetscViewer    viewer;
11*c4762a1bSJed Brown   char           inputfile[256],outputfile[256];
12*c4762a1bSJed Brown   PetscBool      flg;
13*c4762a1bSJed Brown 
14*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return(ierr);
15*c4762a1bSJed Brown   ierr = PetscOptionsGetString(NULL,NULL,"-inputfile",inputfile,256,&flg);CHKERRQ(ierr);
16*c4762a1bSJed Brown   ierr = PetscOptionsGetString(NULL,NULL,"-outputfile",outputfile,256,&flg);CHKERRQ(ierr);
17*c4762a1bSJed Brown   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,inputfile,FILE_MODE_READ,&viewer);CHKERRQ(ierr);
18*c4762a1bSJed Brown   ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
19*c4762a1bSJed Brown   ierr = MatSetType(A,MATDENSE);CHKERRQ(ierr);
20*c4762a1bSJed Brown   ierr = MatLoad(A,viewer);CHKERRQ(ierr);
21*c4762a1bSJed Brown   ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
22*c4762a1bSJed Brown   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,outputfile,FILE_MODE_WRITE,&viewer);CHKERRQ(ierr);
23*c4762a1bSJed Brown   ierr = MatView(A,viewer);CHKERRQ(ierr);
24*c4762a1bSJed Brown   ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
25*c4762a1bSJed Brown   ierr = PetscFinalize();
26*c4762a1bSJed Brown   return ierr;
27*c4762a1bSJed Brown }
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