Chombo + EB: RegionGather.H Source File

00001 #ifdef CH_LANG_CC
00002 /*
00003 *      _______              __
00004 *     / ___/ /  ___  __ _  / /  ___
00005 *    / /__/ _ \/ _ \/  V \/ _ \/ _ \
00006 *    \___/_//_/\___/_/_/_/_.__/\___/
00007 *    Please refer to Copyright.txt, in Chombo's root directory.
00008 */
00009 #endif
00010 
00011 
00012 // RegionGather
00013 // bvs, 05/26/06
00014 
00015 #ifndef _REGIONGATHER_H_
00016 #define _REGIONGATHER_H_
00017 
00018 #include "IntVect.H"
00019 #include "REAL.H"
00020 #include "LayoutData.H"
00021 #include "DisjointBoxLayout.H"
00022 #include "ProblemDomain.H"
00023 #include <list>
00024 #include "SPMD.H"
00025 #include "CH_Timer.H"
00026 #include "NamespaceHeader.H"
00027 
00028 
00030 template <class T>
00031 class GatherObject
00032 {
00033 public:
00034   IntVect m_offset;
00035   T       m_value;
00036 };
00037 
00038 
00040 
00052 class RegionGather
00053 {
00054 public:
00055   RegionGather();
00056 
00057   void define(const ProblemDomain& a_domain,
00058               const DisjointBoxLayout& a_layout,
00059               int radius);
00060 
00061   void dump() const;
00062 
00063   class Message
00064   {
00065   public:
00066     IntVect distance;
00067     int src, dest;
00068     DataIndex srcIndex;
00069     DataIndex destIndex;
00070     int procID;
00071     bool operator < (const RegionGather::Message& rhs) const;
00072   };
00073 
00074 
00075   LayoutData<Vector<RegionGather::Message> >  m_messages;
00076   LayoutData<Vector<RegionGather::Message> >  m_local;
00077 
00078 
00079 };
00080 
00082 
00089 template <class T>
00090 void regionGather(const LayoutData<T>& a_local,
00091                   const RegionGather& a_copier,
00092                   LayoutData<Vector<GatherObject<T> > >& a_gatherObjects);
00093 
00094 
00095 #include "RegionGatherI.H"
00096 
00097 #include "NamespaceFooter.H"
00098 #endif