PetscSFGatherEnd#

ends pointwise gather operation that was started with PetscSFGatherBegin()

Synopsis#

#include "petscsf.h" 
PetscErrorCode PetscSFGatherEnd(PetscSF sf, MPI_Datatype unit, const void *leafdata, void *multirootdata)

Collective

Input Parameters#

  • sf - star forest

  • unit - data type

  • leafdata - leaf data to gather to roots

Output Parameter#

  • multirootdata - root buffer to gather into, amount of space per root is equal to its degree

See Also#

PetscSF, PetscSFComputeDegreeEnd(), PetscSFScatterEnd()

Level#

intermediate

Location#

src/vec/is/sf/interface/sf.c

Examples#

src/vec/is/sf/tutorials/ex1.c

Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages