1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests mirror boundary conditions in 2-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 = 8, N = 8,stencil_width = 1, dof = 1,m,n,xstart,ystart,i,j,c; 10c4762a1bSJed Brown DM da; 11c4762a1bSJed Brown Vec global,local; 12c4762a1bSJed Brown PetscScalar ***vglobal; 13c4762a1bSJed Brown PetscViewer sview; 14c4762a1bSJed Brown 15*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&argv,(char*)0,help)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,0,"-stencil_width",&stencil_width,0)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,0,"-dof",&dof,0)); 18c4762a1bSJed Brown 195f80ce2aSJacob Faibussowitsch CHKERRQ(DMDACreate2d(PETSC_COMM_WORLD,DM_BOUNDARY_MIRROR,DM_BOUNDARY_MIRROR,DMDA_STENCIL_STAR,M,N,PETSC_DECIDE,PETSC_DECIDE,dof,stencil_width,NULL,NULL,&da)); 205f80ce2aSJacob Faibussowitsch CHKERRQ(DMSetFromOptions(da)); 215f80ce2aSJacob Faibussowitsch CHKERRQ(DMSetUp(da)); 225f80ce2aSJacob Faibussowitsch CHKERRQ(DMDAGetCorners(da,&xstart,&ystart,0,&m,&n,0)); 23c4762a1bSJed Brown 245f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateGlobalVector(da,&global)); 255f80ce2aSJacob Faibussowitsch CHKERRQ(DMDAVecGetArrayDOF(da,global,&vglobal)); 26c4762a1bSJed Brown for (j=ystart; j<ystart+n; j++) { 27c4762a1bSJed Brown for (i=xstart; i<xstart+m; i++) { 28c4762a1bSJed Brown for (c=0; c<dof; c++) { 29c4762a1bSJed Brown vglobal[j][i][c] = 100*j + 10*(i+1) + c; 30c4762a1bSJed Brown } 31c4762a1bSJed Brown } 32c4762a1bSJed Brown } 335f80ce2aSJacob Faibussowitsch CHKERRQ(DMDAVecRestoreArrayDOF(da,global,&vglobal)); 34c4762a1bSJed Brown 355f80ce2aSJacob Faibussowitsch CHKERRQ(DMCreateLocalVector(da,&local)); 365f80ce2aSJacob Faibussowitsch CHKERRQ(DMGlobalToLocalBegin(da,global,INSERT_VALUES,local)); 375f80ce2aSJacob Faibussowitsch CHKERRQ(DMGlobalToLocalEnd(da,global,INSERT_VALUES,local)); 38c4762a1bSJed Brown 395f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerGetSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&sview)); 405f80ce2aSJacob Faibussowitsch CHKERRQ(VecView(local,sview)); 415f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerRestoreSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&sview)); 425f80ce2aSJacob Faibussowitsch CHKERRQ(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD)); 435f80ce2aSJacob Faibussowitsch CHKERRQ(VecView(global,PETSC_VIEWER_STDOUT_WORLD)); 44c4762a1bSJed Brown 455f80ce2aSJacob Faibussowitsch CHKERRQ(DMDestroy(&da)); 465f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&local)); 475f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&global)); 48c4762a1bSJed Brown 49*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 50*b122ec5aSJacob Faibussowitsch return 0; 51c4762a1bSJed Brown } 52c4762a1bSJed Brown 53c4762a1bSJed Brown /*TEST 54c4762a1bSJed Brown 55c4762a1bSJed Brown test: 56c4762a1bSJed Brown 57c4762a1bSJed Brown test: 58c4762a1bSJed Brown suffix: 2 59c4762a1bSJed Brown nsize: 4 60c4762a1bSJed Brown filter: grep -v "Vec Object" 61c4762a1bSJed Brown 62c4762a1bSJed Brown TEST*/ 63