xref: /petsc/src/mat/tests/ex119.c (revision 9566063d113dddea24716c546802770db7481bc0)
1c4762a1bSJed Brown static char help[] = "Tests binary MatView() for MPIDENSE matrices \n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscmat.h>
4c4762a1bSJed Brown 
5c4762a1bSJed Brown int main(int argc,char **args)
6c4762a1bSJed Brown {
7c4762a1bSJed Brown   Mat            A;
8c4762a1bSJed Brown   PetscViewer    viewer;
9c4762a1bSJed Brown   char           inputfile[256],outputfile[256];
10c4762a1bSJed Brown   PetscBool      flg;
11c4762a1bSJed Brown 
12*9566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc,&args,(char*)0,help));
13*9566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetString(NULL,NULL,"-inputfile",inputfile,sizeof(inputfile),&flg));
14*9566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetString(NULL,NULL,"-outputfile",outputfile,sizeof(outputfile),&flg));
15*9566063dSJacob Faibussowitsch   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,inputfile,FILE_MODE_READ,&viewer));
16*9566063dSJacob Faibussowitsch   PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
17*9566063dSJacob Faibussowitsch   PetscCall(MatSetType(A,MATDENSE));
18*9566063dSJacob Faibussowitsch   PetscCall(MatLoad(A,viewer));
19*9566063dSJacob Faibussowitsch   PetscCall(PetscViewerDestroy(&viewer));
20*9566063dSJacob Faibussowitsch   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD,outputfile,FILE_MODE_WRITE,&viewer));
21*9566063dSJacob Faibussowitsch   PetscCall(MatView(A,viewer));
22*9566063dSJacob Faibussowitsch   PetscCall(PetscViewerDestroy(&viewer));
23*9566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
24b122ec5aSJacob Faibussowitsch   return 0;
25c4762a1bSJed Brown }
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