#include "petscvec.h" PetscErrorCode VecStrideSubSetGather(Vec v,PetscInt nidx,const PetscInt idxv[],const PetscInt idxs[],Vec s,InsertMode addv)Collective on Vec
v | - the vector | |
nidx | - the number of indices | |
idxv | - the indices of the components 0 <= idxv[0] ...idxv[nidx-1] < bs(v), they need not be sorted | |
idxs | - the indices of the components 0 <= idxs[0] ...idxs[nidx-1] < bs(s), they need not be sorted, may be null if nidx == bs(s) or is PETSC_DETERMINE | |
addv | - one of ADD_VALUES,INSERT_VALUES,MAX_VALUES |
The parallel layout of the vector and the subvector must be the same;
Not optimized; could be easily
Level:advanced
Location:src/vec/vec/utils/vinv.c
Index of all Vec routines
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