petsc-3.8.4 2018-03-24

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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 Arguments

	sf	- star forest
	unit	- data type
	leafdata	- leaf data to gather to roots

Output Argument

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

See Also

PetscSFComputeDegreeEnd(), PetscSFScatterEnd()

Level:intermediate
Location:src/vec/is/sf/interface/sf.c
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages

Examples

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