petsc-3.14.6 2021-03-30
ISContiguousLocal
Locates an index set with contiguous range within a global range, if possible
Synopsis
#include "petscis.h"
PetscErrorCode ISContiguousLocal(IS is,PetscInt gstart,PetscInt gend,PetscInt *start,PetscBool *contig)
Not Collective
Input Parmeters
| is | - the index set
|
| gstart | - global start
|
| gend | - global end
|
Output Parameters
| start | - start of contiguous block, as an offset from gstart
|
| contig | - PETSC_TRUE if the index set refers to contiguous entries on this process, else PETSC_FALSE
|
See Also
ISGetLocalSize(), VecGetOwnershipRange()
Level
developer
Location
src/vec/is/is/interface/index.c
Implementations
ISContiguousLocal_General in src/vec/is/is/impls/general/general.c
ISContiguousLocal_Stride in src/vec/is/is/impls/stride/stride.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages