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 PetscErrorCode ierr; 10 PetscInt bs = 2,n = 3,ix[3] = {1,7,9},iy[2] = {0,2},mp[2]; 11 IS isx; 12 ISLocalToGlobalMapping ltog; 13 14 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 15 16 ierr = ISCreateBlock(PETSC_COMM_SELF,bs,n,ix,PETSC_COPY_VALUES,&isx);CHKERRQ(ierr); 17 ierr = ISLocalToGlobalMappingCreateIS(isx,<og);CHKERRQ(ierr); 18 19 ierr = PetscIntView(2,iy,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 20 ierr = ISLocalToGlobalMappingApply(ltog,2,iy,mp);CHKERRQ(ierr); 21 ierr = PetscIntView(2,mp,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 22 23 ierr = PetscIntView(2,iy,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 24 ierr = ISLocalToGlobalMappingApplyBlock(ltog,2,iy,mp);CHKERRQ(ierr); 25 ierr = PetscIntView(2,mp,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 26 27 ierr = ISLocalToGlobalMappingDestroy(<og);CHKERRQ(ierr); 28 ierr = ISDestroy(&isx);CHKERRQ(ierr); 29 30 ierr = PetscFinalize(); 31 return ierr; 32 } 33 34 35 36 /*TEST 37 38 test: 39 40 TEST*/ 41