petsc-3.7.1 2016-05-15
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ISCreateGeneral

Creates a data structure for an index set containing a list of integers.

Synopsis

#include "petscis.h"  
PetscErrorCode  ISCreateGeneral(MPI_Comm comm,PetscInt n,const PetscInt idx[],PetscCopyMode mode,IS *is)
Collective on MPI_Comm Many br

Input Parameters

comm - the MPI communicator Many br
n - the length of the index set Many br
idx - the list of integers Many br
mode - see PetscCopyMode for meaning of this flag. Many br

Output Parameter

is -the new index set Many br

Notes

When the communicator is not MPI_COMM_SELF, the operations on IS are NOT Many brconceptually the same as MPI_Group operations. The IS are then Many brdistributed sets of indices and thus certain operations on them are Many brcollective. Many br

Many br

See Also

ISCreateStride(), ISCreateBlock(), ISAllGather()

Level:beginner
Location:
src/vec/is/is/impls/general/general.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/vec/is/is/examples/tutorials/ex1.c.html
src/vec/is/is/examples/tutorials/ex1f.F.html
src/vec/is/is/examples/tutorials/ex1f90.F.html
src/ksp/ksp/examples/tutorials/ex6.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html