petsc-3.4.5 2014-06-29
PetscSFBcastBegin
begin pointwise broadcast to be concluded with call to PetscSFBcastEnd()
Synopsis
#include "petscsf.h"
PetscErrorCode PetscSFBcastBegin(PetscSF sf,MPI_Datatype unit,const void *rootdata,void *leafdata)
Collective on PetscSF
Input Arguments
| sf | - star forest on which to communicate
|
| unit | - data type associated with each node
|
| rootdata | - buffer to broadcast
|
Output Arguments
leafdata -buffer to update with values from each leaf's respective root
See Also
PetscSFCreate(), PetscSFSetGraph(), PetscSFView(), PetscSFBcastEnd(), PetscSFReduceBegin()
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
src/ts/examples/tutorials/ex11.c.html