1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests mirror boundary conditions in 1-d.\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscdm.h> 5c4762a1bSJed Brown #include <petscdmda.h> 6c4762a1bSJed Brown 7c4762a1bSJed Brown int main(int argc,char **argv) 8c4762a1bSJed Brown { 9c4762a1bSJed Brown PetscInt M = 6,stencil_width = 1, dof = 1,m,xstart,i,j; 10c4762a1bSJed Brown DM da; 11c4762a1bSJed Brown Vec global,local; 12c4762a1bSJed Brown PetscScalar **vglobal; 13c4762a1bSJed Brown PetscViewer sviewer; 14c4762a1bSJed Brown 15*327415f7SBarry Smith PetscFunctionBeginUser; 169566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 179566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,0,"-stencil_width",&stencil_width,0)); 189566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,0,"-dof",&dof,0)); 19c4762a1bSJed Brown 209566063dSJacob Faibussowitsch PetscCall(DMDACreate1d(PETSC_COMM_WORLD,DM_BOUNDARY_MIRROR,M,dof,stencil_width,NULL,&da)); 219566063dSJacob Faibussowitsch PetscCall(DMSetFromOptions(da)); 229566063dSJacob Faibussowitsch PetscCall(DMSetUp(da)); 239566063dSJacob Faibussowitsch PetscCall(DMDAGetCorners(da,&xstart,0,0,&m,0,0)); 24c4762a1bSJed Brown 259566063dSJacob Faibussowitsch PetscCall(DMCreateGlobalVector(da,&global)); 269566063dSJacob Faibussowitsch PetscCall(DMDAVecGetArrayDOF(da,global,&vglobal)); 27c4762a1bSJed Brown for (i=xstart; i<xstart+m; i++) { 28c4762a1bSJed Brown for (j=0; j<dof; j++) { 29c4762a1bSJed Brown vglobal[i][j] = 100*(i+1) + j; 30c4762a1bSJed Brown } 31c4762a1bSJed Brown } 329566063dSJacob Faibussowitsch PetscCall(DMDAVecRestoreArrayDOF(da,global,&vglobal)); 33c4762a1bSJed Brown 349566063dSJacob Faibussowitsch PetscCall(DMCreateLocalVector(da,&local)); 359566063dSJacob Faibussowitsch PetscCall(DMGlobalToLocalBegin(da,global,INSERT_VALUES,local)); 369566063dSJacob Faibussowitsch PetscCall(DMGlobalToLocalEnd(da,global,INSERT_VALUES,local)); 37c4762a1bSJed Brown 389566063dSJacob Faibussowitsch PetscCall(PetscViewerGetSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&sviewer)); 399566063dSJacob Faibussowitsch PetscCall(VecView(local,sviewer)); 409566063dSJacob Faibussowitsch PetscCall(PetscViewerRestoreSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&sviewer)); 419566063dSJacob Faibussowitsch PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD)); 429566063dSJacob Faibussowitsch PetscCall(VecView(global,PETSC_VIEWER_STDOUT_WORLD)); 43c4762a1bSJed Brown 449566063dSJacob Faibussowitsch PetscCall(DMDestroy(&da)); 459566063dSJacob Faibussowitsch PetscCall(VecDestroy(&local)); 469566063dSJacob Faibussowitsch PetscCall(VecDestroy(&global)); 47c4762a1bSJed Brown 489566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 49b122ec5aSJacob Faibussowitsch return 0; 50c4762a1bSJed Brown } 51c4762a1bSJed Brown 52c4762a1bSJed Brown /*TEST 53c4762a1bSJed Brown 54c4762a1bSJed Brown test: 55c4762a1bSJed Brown 56c4762a1bSJed Brown test: 57c4762a1bSJed Brown suffix: 2 58c4762a1bSJed Brown nsize: 2 59c4762a1bSJed Brown filter: grep -v "Vec Object" 60c4762a1bSJed Brown 61c4762a1bSJed Brown TEST*/ 62