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; 125f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerGetFormat(viewer,&format)); 135f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis)); 145f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); 15c4762a1bSJed Brown if (isglvis) { 16c4762a1bSJed Brown DM dm; 17c4762a1bSJed Brown 185f80ce2aSJacob Faibussowitsch CHKERRQ(VecGetDM(v,&dm)); 19c4762a1bSJed Brown /* DMView() cannot be tested, as DMView_Shell defaults to VecView */ 20c4762a1bSJed Brown if (!dm) PetscFunctionReturn(0); 215f80ce2aSJacob Faibussowitsch CHKERRQ(VecView_GLVis(v,viewer)); 22c4762a1bSJed Brown } else if (isascii) { 23c4762a1bSJed Brown const char* name; 24c4762a1bSJed Brown PetscInt n; 25c4762a1bSJed Brown 265f80ce2aSJacob Faibussowitsch CHKERRQ(VecGetLocalSize(v,&n)); 275f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectGetName((PetscObject)v,&name)); 28c4762a1bSJed Brown if (!PetscGlobalRank) { 295f80ce2aSJacob Faibussowitsch CHKERRQ(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; 435f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateGlobalVector(dm,&V)); 445f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectSetName((PetscObject)V,"sample")); 455f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerGLVisSetFields(viewer,1,&fec_type,&dim,NULL,(PetscObject*)&V,NULL,NULL)); 465f80ce2aSJacob Faibussowitsch CHKERRQ(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*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&argv,NULL,help)); 565f80ce2aSJacob Faibussowitsch CHKERRQ(DMShellCreate(PETSC_COMM_WORLD,&dm)); 575f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectComposeFunction((PetscObject)dm,"DMSetUpGLVisViewer_C",DMSetUpGLVisViewer_Shell)); 585f80ce2aSJacob Faibussowitsch CHKERRQ(VecCreateMPI(PETSC_COMM_WORLD,1,PETSC_DECIDE,&v)); 595f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectSetName((PetscObject)v,"seed")); 605f80ce2aSJacob Faibussowitsch CHKERRQ(VecSetOperation(v,VECOP_VIEW,(void (*)(void))VecView_Shell)); 615f80ce2aSJacob Faibussowitsch CHKERRQ(DMShellSetGlobalVector(dm,v)); 625f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&v)); 635f80ce2aSJacob Faibussowitsch CHKERRQ(DMViewFromOptions(dm,NULL,"-dm_view")); 645f80ce2aSJacob Faibussowitsch CHKERRQ(DMGetGlobalVector(dm,&v)); 655f80ce2aSJacob Faibussowitsch CHKERRQ(VecViewFromOptions(v,NULL,"-vec_view")); 665f80ce2aSJacob Faibussowitsch CHKERRQ(DMRestoreGlobalVector(dm,&v)); 675f80ce2aSJacob Faibussowitsch CHKERRQ(DMDestroy(&dm)); 68*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 69*b122ec5aSJacob 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