1 2 static char help[]= "Tests ISLocalToGlobalMappingCreateIS() for bs > 1.\n\n"; 3 4 #include <petscis.h> 5 #include <petscviewer.h> 6 7 int main(int argc,char **argv) 8 { 9 PetscInt bs = 2,n = 3,ix[3] = {1,7,9},iy[2] = {0,2},mp[2]; 10 IS isx; 11 ISLocalToGlobalMapping ltog; 12 13 PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 14 15 PetscCall(ISCreateBlock(PETSC_COMM_SELF,bs,n,ix,PETSC_COPY_VALUES,&isx)); 16 PetscCall(ISLocalToGlobalMappingCreateIS(isx,<og)); 17 18 PetscCall(PetscIntView(2,iy,PETSC_VIEWER_STDOUT_WORLD)); 19 PetscCall(ISLocalToGlobalMappingApply(ltog,2,iy,mp)); 20 PetscCall(PetscIntView(2,mp,PETSC_VIEWER_STDOUT_WORLD)); 21 22 PetscCall(PetscIntView(2,iy,PETSC_VIEWER_STDOUT_WORLD)); 23 PetscCall(ISLocalToGlobalMappingApplyBlock(ltog,2,iy,mp)); 24 PetscCall(PetscIntView(2,mp,PETSC_VIEWER_STDOUT_WORLD)); 25 26 PetscCall(ISLocalToGlobalMappingDestroy(<og)); 27 PetscCall(ISDestroy(&isx)); 28 29 PetscCall(PetscFinalize()); 30 return 0; 31 } 32 33 /*TEST 34 35 test: 36 37 TEST*/ 38