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*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerGetFormat(viewer,&format)); 13*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis)); 14*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); 15c4762a1bSJed Brown if (isglvis) { 16c4762a1bSJed Brown DM dm; 17c4762a1bSJed Brown 18*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecGetDM(v,&dm)); 19c4762a1bSJed Brown /* DMView() cannot be tested, as DMView_Shell defaults to VecView */ 20c4762a1bSJed Brown if (!dm) PetscFunctionReturn(0); 21*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecView_GLVis(v,viewer)); 22c4762a1bSJed Brown } else if (isascii) { 23c4762a1bSJed Brown const char* name; 24c4762a1bSJed Brown PetscInt n; 25c4762a1bSJed Brown 26*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecGetLocalSize(v,&n)); 27*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectGetName((PetscObject)v,&name)); 28c4762a1bSJed Brown if (!PetscGlobalRank) { 29*5f80ce2aSJacob 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; 43*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateGlobalVector(dm,&V)); 44*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectSetName((PetscObject)V,"sample")); 45*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerGLVisSetFields(viewer,1,&fec_type,&dim,NULL,(PetscObject*)&V,NULL,NULL)); 46*5f80ce2aSJacob 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 PetscErrorCode ierr; 55c4762a1bSJed Brown 56c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr; 57*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMShellCreate(PETSC_COMM_WORLD,&dm)); 58*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectComposeFunction((PetscObject)dm,"DMSetUpGLVisViewer_C",DMSetUpGLVisViewer_Shell)); 59*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecCreateMPI(PETSC_COMM_WORLD,1,PETSC_DECIDE,&v)); 60*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscObjectSetName((PetscObject)v,"seed")); 61*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecSetOperation(v,VECOP_VIEW,(void (*)(void))VecView_Shell)); 62*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMShellSetGlobalVector(dm,v)); 63*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&v)); 64*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMViewFromOptions(dm,NULL,"-dm_view")); 65*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMGetGlobalVector(dm,&v)); 66*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecViewFromOptions(v,NULL,"-vec_view")); 67*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMRestoreGlobalVector(dm,&v)); 68*5f80ce2aSJacob Faibussowitsch CHKERRQ(DMDestroy(&dm)); 69c4762a1bSJed Brown ierr = PetscFinalize(); 70c4762a1bSJed Brown return ierr; 71c4762a1bSJed Brown } 72c4762a1bSJed Brown 73c4762a1bSJed Brown /*TEST 74c4762a1bSJed Brown 75c4762a1bSJed Brown test: 76c4762a1bSJed Brown suffix: glvis_par 77c4762a1bSJed Brown nsize: {{1 2}} 78c4762a1bSJed Brown args: -dm_view glvis: -vec_view glvis: 79c4762a1bSJed Brown output_file: output/ex8_glvis.out 80c4762a1bSJed Brown 81c4762a1bSJed Brown TEST*/ 82