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 6c4762a1bSJed Brown PetscErrorCode VecView_Shell(Vec v, PetscViewer viewer) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown PetscViewerFormat format; 9c4762a1bSJed Brown PetscBool isglvis,isascii; 10c4762a1bSJed Brown 11c4762a1bSJed Brown PetscFunctionBegin; 12*9566063dSJacob Faibussowitsch PetscCall(PetscViewerGetFormat(viewer,&format)); 13*9566063dSJacob Faibussowitsch PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis)); 14*9566063dSJacob Faibussowitsch PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); 15c4762a1bSJed Brown if (isglvis) { 16c4762a1bSJed Brown DM dm; 17c4762a1bSJed Brown 18*9566063dSJacob Faibussowitsch PetscCall(VecGetDM(v,&dm)); 19c4762a1bSJed Brown /* DMView() cannot be tested, as DMView_Shell defaults to VecView */ 20c4762a1bSJed Brown if (!dm) PetscFunctionReturn(0); 21*9566063dSJacob Faibussowitsch PetscCall(VecView_GLVis(v,viewer)); 22c4762a1bSJed Brown } else if (isascii) { 23c4762a1bSJed Brown const char* name; 24c4762a1bSJed Brown PetscInt n; 25c4762a1bSJed Brown 26*9566063dSJacob Faibussowitsch PetscCall(VecGetLocalSize(v,&n)); 27*9566063dSJacob Faibussowitsch PetscCall(PetscObjectGetName((PetscObject)v,&name)); 28c4762a1bSJed Brown if (!PetscGlobalRank) { 29*9566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer,"Hello from rank 0 -> vector name %s, size %D\n",name,n)); 30c4762a1bSJed Brown } 31c4762a1bSJed Brown } 32c4762a1bSJed Brown PetscFunctionReturn(0); 33c4762a1bSJed Brown } 34c4762a1bSJed Brown 35c4762a1bSJed Brown PetscErrorCode DMSetUpGLVisViewer_Shell(PetscObject odm, PetscViewer viewer) 36c4762a1bSJed Brown { 37c4762a1bSJed Brown DM dm = (DM)odm; 38c4762a1bSJed Brown Vec V; 39c4762a1bSJed Brown PetscInt dim = 2; 40c4762a1bSJed Brown const char *fec_type = { "testme" }; 41c4762a1bSJed Brown 42c4762a1bSJed Brown PetscFunctionBegin; 43*9566063dSJacob Faibussowitsch PetscCall(DMCreateGlobalVector(dm,&V)); 44*9566063dSJacob Faibussowitsch PetscCall(PetscObjectSetName((PetscObject)V,"sample")); 45*9566063dSJacob Faibussowitsch PetscCall(PetscViewerGLVisSetFields(viewer,1,&fec_type,&dim,NULL,(PetscObject*)&V,NULL,NULL)); 46*9566063dSJacob Faibussowitsch PetscCall(VecDestroy(&V)); 47c4762a1bSJed Brown PetscFunctionReturn(0); 48c4762a1bSJed Brown } 49c4762a1bSJed Brown 50c4762a1bSJed Brown int main(int argc, char **argv) 51c4762a1bSJed Brown { 52c4762a1bSJed Brown DM dm; 53c4762a1bSJed Brown Vec v; 54c4762a1bSJed Brown 55*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,NULL,help)); 56*9566063dSJacob Faibussowitsch PetscCall(DMShellCreate(PETSC_COMM_WORLD,&dm)); 57*9566063dSJacob Faibussowitsch PetscCall(PetscObjectComposeFunction((PetscObject)dm,"DMSetUpGLVisViewer_C",DMSetUpGLVisViewer_Shell)); 58*9566063dSJacob Faibussowitsch PetscCall(VecCreateMPI(PETSC_COMM_WORLD,1,PETSC_DECIDE,&v)); 59*9566063dSJacob Faibussowitsch PetscCall(PetscObjectSetName((PetscObject)v,"seed")); 60*9566063dSJacob Faibussowitsch PetscCall(VecSetOperation(v,VECOP_VIEW,(void (*)(void))VecView_Shell)); 61*9566063dSJacob Faibussowitsch PetscCall(DMShellSetGlobalVector(dm,v)); 62*9566063dSJacob Faibussowitsch PetscCall(VecDestroy(&v)); 63*9566063dSJacob Faibussowitsch PetscCall(DMViewFromOptions(dm,NULL,"-dm_view")); 64*9566063dSJacob Faibussowitsch PetscCall(DMGetGlobalVector(dm,&v)); 65*9566063dSJacob Faibussowitsch PetscCall(VecViewFromOptions(v,NULL,"-vec_view")); 66*9566063dSJacob Faibussowitsch PetscCall(DMRestoreGlobalVector(dm,&v)); 67*9566063dSJacob Faibussowitsch PetscCall(DMDestroy(&dm)); 68*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 69b122ec5aSJacob Faibussowitsch return 0; 70c4762a1bSJed Brown } 71c4762a1bSJed Brown 72c4762a1bSJed Brown /*TEST 73c4762a1bSJed Brown 74c4762a1bSJed Brown test: 75c4762a1bSJed Brown suffix: glvis_par 76c4762a1bSJed Brown nsize: {{1 2}} 77c4762a1bSJed Brown args: -dm_view glvis: -vec_view glvis: 78c4762a1bSJed Brown output_file: output/ex8_glvis.out 79c4762a1bSJed Brown 80c4762a1bSJed Brown TEST*/ 81