PETSc version 3.15.5
PetscSFScatterBegin
begin pointwise scatter operation from multi-roots to leaves, to be completed with PetscSFScatterEnd() 
Synopsis
#include "petscsf.h" 
PetscErrorCode PetscSFScatterBegin(PetscSF sf,MPI_Datatype unit,const void *multirootdata,void *leafdata)
Collective
Input Arguments
|  | sf | - star forest | 
|  | unit | - data type | 
|  | multirootdata | - root buffer to send to each leaf, one unit of data per leaf | 
Output Argument
|  | leafdata | - leaf data to be update with personal data from each respective root | 
See Also
 PetscSFComputeDegreeBegin(), PetscSFScatterBegin()
Level
intermediate
Location
src/vec/is/sf/interface/sf.c
Examples
src/vec/is/sf/tutorials/ex1.c.html
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages