petsc-3.6.2 2015-10-02
   
DMPlexPointGlobalRef
return read/write access to a point in global array 
Synopsis
#include "petscdmplex.h"   
PetscErrorCode DMPlexPointGlobalRef(DM dm,PetscInt point,PetscScalar *array,void *ptr)
Not Collective
Input Arguments
|  | dm | - DM defining topological space | 
|  | point | - topological point | 
|  | array | - array to index into | 
Output Arguments
ptr  -address of reference to point data, type generic so user can place in structure; returns NULL if global point is not owned
Note
A common usage when data sizes are known statically
 struct { PetscScalar foo,bar,baz; } *ptr;
 DMPlexPointGlobalRef(dm,point,array,&ptr);
 ptr->foo = 2; ptr->bar = 3; ptr->baz = 5;
See Also
 DMGetDefaultSection(), PetscSectionGetOffset(), PetscSectionGetDof(), DMPlexGetPointGlobal(), DMPlexPointLocalRef(), DMPlexPointGlobalRead()
Level:intermediate
Location:src/dm/impls/plex/plexpoint.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/ts/examples/tutorials/ex11.c.html