xref: /petsc/src/sys/classes/viewer/tutorials/ex1.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown 
2*c4762a1bSJed Brown static char help[] = "Appends to an ASCII file.\n\n";
3*c4762a1bSJed Brown 
4*c4762a1bSJed Brown /*T
5*c4762a1bSJed Brown    Concepts: viewers^append
6*c4762a1bSJed Brown T*/
7*c4762a1bSJed Brown 
8*c4762a1bSJed Brown #include <petscviewer.h>
9*c4762a1bSJed Brown 
10*c4762a1bSJed Brown int main(int argc,char **args)
11*c4762a1bSJed Brown {
12*c4762a1bSJed Brown   PetscViewer    viewer;
13*c4762a1bSJed Brown   PetscInt       i;
14*c4762a1bSJed Brown   PetscErrorCode ierr;
15*c4762a1bSJed Brown 
16*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
17*c4762a1bSJed Brown   ierr = PetscViewerCreate(PETSC_COMM_WORLD, &viewer);CHKERRQ(ierr);
18*c4762a1bSJed Brown   ierr = PetscViewerSetType(viewer, PETSCVIEWERASCII);CHKERRQ(ierr);
19*c4762a1bSJed Brown   ierr = PetscViewerFileSetMode(viewer, FILE_MODE_APPEND);CHKERRQ(ierr);
20*c4762a1bSJed Brown   ierr = PetscViewerFileSetName(viewer, "test.txt");CHKERRQ(ierr);
21*c4762a1bSJed Brown   for (i = 0; i < 10; ++i) {
22*c4762a1bSJed Brown     ierr = PetscViewerASCIIPrintf(viewer, "test line %d\n", i);CHKERRQ(ierr);
23*c4762a1bSJed Brown   }
24*c4762a1bSJed Brown   ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
25*c4762a1bSJed Brown   ierr = PetscFinalize();
26*c4762a1bSJed Brown   return ierr;
27*c4762a1bSJed Brown }
28*c4762a1bSJed Brown 
29*c4762a1bSJed Brown /*TEST
30*c4762a1bSJed Brown 
31*c4762a1bSJed Brown    test:
32*c4762a1bSJed Brown 
33*c4762a1bSJed Brown TEST*/
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