xref: /petsc/src/ts/tutorials/ex28.c (revision b122ec5aa1bd4469eb4e0673542fb7de3f411254)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] ="Loads a previously saved TS.";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown /*
5c4762a1bSJed Brown    It loads a TS saved with TSView()
6c4762a1bSJed Brown 
7c4762a1bSJed Brown */
8c4762a1bSJed Brown /*
9c4762a1bSJed Brown     Include "petscts.h" to use the PETSc timestepping routines. Note that
10c4762a1bSJed Brown     this file automatically includes "petscsys.h" and other lower-level
11c4762a1bSJed Brown     PETSc include files.
12c4762a1bSJed Brown */
13c4762a1bSJed Brown #include <petscts.h>
14c4762a1bSJed Brown 
15c4762a1bSJed Brown int main(int argc,char **argv)
16c4762a1bSJed Brown {
17c4762a1bSJed Brown   TS             ts;                 /* timestepping context */
18c4762a1bSJed Brown   PetscViewer    viewer;
19c4762a1bSJed Brown 
20*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscInitialize(&argc,&argv,NULL,help));
215f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscDLLibraryAppend(PETSC_COMM_WORLD,&PetscDLLibrariesLoaded,"advection-diffusion-reaction/ex1"));
225f80ce2aSJacob Faibussowitsch   CHKERRQ(TSCreate(PETSC_COMM_WORLD,&ts));
235f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD,"advection-diffusion-reaction/binaryoutput",FILE_MODE_READ,&viewer));
245f80ce2aSJacob Faibussowitsch   CHKERRQ(TSLoad(ts,viewer));
255f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscViewerDestroy(&viewer));
265f80ce2aSJacob Faibussowitsch   /* CHKERRQ(PetscFPTView(0)); */
275f80ce2aSJacob Faibussowitsch   CHKERRQ(TSSetFromOptions(ts));
285f80ce2aSJacob Faibussowitsch   CHKERRQ(TSSetUp(ts));
295f80ce2aSJacob Faibussowitsch   CHKERRQ(TSView(ts,PETSC_VIEWER_STDOUT_WORLD));
305f80ce2aSJacob Faibussowitsch   CHKERRQ(TSSolve(ts,NULL));
315f80ce2aSJacob Faibussowitsch   CHKERRQ(TSDestroy(&ts));
32*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscFinalize());
33*b122ec5aSJacob Faibussowitsch   return 0;
34c4762a1bSJed Brown }
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