VecCreateNest#

Creates a new vector containing several nested subvectors, each stored separately

Synopsis#

#include "petscvec.h"   
PetscErrorCode VecCreateNest(MPI_Comm comm, PetscInt nb, IS is[], Vec x[], Vec *Y)

Collective

Input Parameters#

  • comm - Communicator for the new Vec

  • nb - number of nested blocks

  • is - array of nb index sets describing each nested block, or NULL to pack subvectors contiguously

  • x - array of nb sub-vectors

Output Parameter#

  • Y - new vector

See Also#

VECNEST, Vectors and Parallel Data, Vec, VecType, VecCreate(), MatCreateNest(), DMSetVecType(), VECNEST

Level#

advanced

Location#

src/vec/vec/impls/nest/vecnest.c

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Index of all Vec routines
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Index of all manual pages