xref: /petsc/src/mat/tests/ex119.c (revision 732aec7a18f2199fb53bb9a2f3aef439a834ce31)
1c4762a1bSJed Brown static char help[] = "Tests binary MatView() for MPIDENSE matrices \n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscmat.h>
4c4762a1bSJed Brown 
main(int argc,char ** args)5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args)
6d71ae5a4SJacob Faibussowitsch {
7c4762a1bSJed Brown   Mat         A;
8c4762a1bSJed Brown   PetscViewer viewer;
9c4762a1bSJed Brown   char        inputfile[256], outputfile[256];
10c4762a1bSJed Brown   PetscBool   flg;
11c4762a1bSJed Brown 
12327415f7SBarry Smith   PetscFunctionBeginUser;
13*c8025a54SPierre Jolivet   PetscCall(PetscInitialize(&argc, &args, NULL, help));
149566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetString(NULL, NULL, "-inputfile", inputfile, sizeof(inputfile), &flg));
159566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetString(NULL, NULL, "-outputfile", outputfile, sizeof(outputfile), &flg));
169566063dSJacob Faibussowitsch   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, inputfile, FILE_MODE_READ, &viewer));
179566063dSJacob Faibussowitsch   PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
189566063dSJacob Faibussowitsch   PetscCall(MatSetType(A, MATDENSE));
199566063dSJacob Faibussowitsch   PetscCall(MatLoad(A, viewer));
209566063dSJacob Faibussowitsch   PetscCall(PetscViewerDestroy(&viewer));
219566063dSJacob Faibussowitsch   PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, outputfile, FILE_MODE_WRITE, &viewer));
229566063dSJacob Faibussowitsch   PetscCall(MatView(A, viewer));
239566063dSJacob Faibussowitsch   PetscCall(PetscViewerDestroy(&viewer));
249566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
25b122ec5aSJacob Faibussowitsch   return 0;
26c4762a1bSJed Brown }
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