1c4762a1bSJed Brown static char help[] = "Test parallel ruotines for GLVis\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscdmshell.h> 4c4762a1bSJed Brown #include <petsc/private/glvisvecimpl.h> 5c4762a1bSJed Brown 69371c9d4SSatish Balay PetscErrorCode VecView_Shell(Vec v, PetscViewer viewer) { 7c4762a1bSJed Brown PetscViewerFormat format; 8c4762a1bSJed Brown PetscBool isglvis, isascii; 9c4762a1bSJed Brown 10c4762a1bSJed Brown PetscFunctionBegin; 119566063dSJacob Faibussowitsch PetscCall(PetscViewerGetFormat(viewer, &format)); 129566063dSJacob Faibussowitsch PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERGLVIS, &isglvis)); 139566063dSJacob Faibussowitsch PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &isascii)); 14c4762a1bSJed Brown if (isglvis) { 15c4762a1bSJed Brown DM dm; 16c4762a1bSJed Brown 179566063dSJacob Faibussowitsch PetscCall(VecGetDM(v, &dm)); 18c4762a1bSJed Brown /* DMView() cannot be tested, as DMView_Shell defaults to VecView */ 19c4762a1bSJed Brown if (!dm) PetscFunctionReturn(0); 209566063dSJacob Faibussowitsch PetscCall(VecView_GLVis(v, viewer)); 21c4762a1bSJed Brown } else if (isascii) { 22c4762a1bSJed Brown const char *name; 23c4762a1bSJed Brown PetscInt n; 24c4762a1bSJed Brown 259566063dSJacob Faibussowitsch PetscCall(VecGetLocalSize(v, &n)); 269566063dSJacob Faibussowitsch PetscCall(PetscObjectGetName((PetscObject)v, &name)); 27*48a46eb9SPierre Jolivet if (!PetscGlobalRank) PetscCall(PetscViewerASCIIPrintf(viewer, "Hello from rank 0 -> vector name %s, size %" PetscInt_FMT "\n", name, n)); 28c4762a1bSJed Brown } 29c4762a1bSJed Brown PetscFunctionReturn(0); 30c4762a1bSJed Brown } 31c4762a1bSJed Brown 329371c9d4SSatish Balay PetscErrorCode DMSetUpGLVisViewer_Shell(PetscObject odm, PetscViewer viewer) { 33c4762a1bSJed Brown DM dm = (DM)odm; 34c4762a1bSJed Brown Vec V; 35c4762a1bSJed Brown PetscInt dim = 2; 36c4762a1bSJed Brown const char *fec_type = {"testme"}; 37c4762a1bSJed Brown 38c4762a1bSJed Brown PetscFunctionBegin; 399566063dSJacob Faibussowitsch PetscCall(DMCreateGlobalVector(dm, &V)); 409566063dSJacob Faibussowitsch PetscCall(PetscObjectSetName((PetscObject)V, "sample")); 419566063dSJacob Faibussowitsch PetscCall(PetscViewerGLVisSetFields(viewer, 1, &fec_type, &dim, NULL, (PetscObject *)&V, NULL, NULL)); 429566063dSJacob Faibussowitsch PetscCall(VecDestroy(&V)); 43c4762a1bSJed Brown PetscFunctionReturn(0); 44c4762a1bSJed Brown } 45c4762a1bSJed Brown 469371c9d4SSatish Balay int main(int argc, char **argv) { 47c4762a1bSJed Brown DM dm; 48c4762a1bSJed Brown Vec v; 49c4762a1bSJed Brown 50327415f7SBarry Smith PetscFunctionBeginUser; 519566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 529566063dSJacob Faibussowitsch PetscCall(DMShellCreate(PETSC_COMM_WORLD, &dm)); 539566063dSJacob Faibussowitsch PetscCall(PetscObjectComposeFunction((PetscObject)dm, "DMSetUpGLVisViewer_C", DMSetUpGLVisViewer_Shell)); 549566063dSJacob Faibussowitsch PetscCall(VecCreateMPI(PETSC_COMM_WORLD, 1, PETSC_DECIDE, &v)); 559566063dSJacob Faibussowitsch PetscCall(PetscObjectSetName((PetscObject)v, "seed")); 569566063dSJacob Faibussowitsch PetscCall(VecSetOperation(v, VECOP_VIEW, (void (*)(void))VecView_Shell)); 579566063dSJacob Faibussowitsch PetscCall(DMShellSetGlobalVector(dm, v)); 589566063dSJacob Faibussowitsch PetscCall(VecDestroy(&v)); 599566063dSJacob Faibussowitsch PetscCall(DMViewFromOptions(dm, NULL, "-dm_view")); 609566063dSJacob Faibussowitsch PetscCall(DMGetGlobalVector(dm, &v)); 619566063dSJacob Faibussowitsch PetscCall(VecViewFromOptions(v, NULL, "-vec_view")); 629566063dSJacob Faibussowitsch PetscCall(DMRestoreGlobalVector(dm, &v)); 632e956fe4SStefano Zampini PetscCall(PetscObjectComposeFunction((PetscObject)dm, "DMSetUpGLVisViewer_C", NULL)); 649566063dSJacob Faibussowitsch PetscCall(DMDestroy(&dm)); 659566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 66b122ec5aSJacob Faibussowitsch return 0; 67c4762a1bSJed Brown } 68c4762a1bSJed Brown 69c4762a1bSJed Brown /*TEST 70c4762a1bSJed Brown 71c4762a1bSJed Brown test: 72c4762a1bSJed Brown suffix: glvis_par 73c4762a1bSJed Brown nsize: {{1 2}} 74c4762a1bSJed Brown args: -dm_view glvis: -vec_view glvis: 75c4762a1bSJed Brown output_file: output/ex8_glvis.out 76c4762a1bSJed Brown 77c4762a1bSJed Brown TEST*/ 78