PetscLayoutFindOwnerIndex#

Find the owning MPI process and the local index on that process for a global index

Synopsis#

#include "petscis.h" 
static inline PetscErrorCode PetscLayoutFindOwnerIndex(PetscLayout map, PetscInt idx, PetscMPIInt *owner, PetscInt *lidx)

Not Collective; No Fortran Support

Input Parameters#

  • map - the layout

  • idx - global index to find the owner of

Output Parameters#

  • owner - the owning rank

  • lidx - local index used by the owner for idx

See Also#

PetscLayout, PetscLayoutFindOwner()

Level#

developer

Location#

include/petscis.h

Index of all IS routines
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Index of all manual pages