00001 // @HEADER 00002 // ************************************************************************ 00003 // 00004 // Phalanx: A Partial Differential Equation Field Evaluation 00005 // Kernel for Flexible Management of Complex Dependency Chains 00006 // Copyright (2008) Sandia Corporation 00007 // 00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00009 // the U.S. Government retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // 00026 // Questions? Contact Roger Pawlowski (rppawlo@sandia.gov), Sandia 00027 // National Laboratories. 00028 // 00029 // ************************************************************************ 00030 // @HEADER 00031 00032 #ifndef PHX_DATA_LAYOUT 00033 #define PHX_DATA_LAYOUT 00034 00035 #include <iostream> 00036 #include <vector> 00037 00038 namespace PHX{ 00039 00040 00054 class DataLayout { 00055 00056 public: 00057 00058 typedef unsigned size_type; 00059 00060 DataLayout() {} 00061 00062 virtual ~DataLayout() {} 00063 00064 virtual size_type rank() const = 0; 00065 00066 virtual void dimensions(std::vector<size_type>& dim) const = 0; 00067 00068 virtual size_type size() const = 0; 00069 00070 virtual bool operator==(const DataLayout& left) const = 0; 00071 00072 virtual bool operator!=(const DataLayout& left) const 00073 { return !(*this == left); } 00074 00076 virtual std::string identifier() const = 0; 00077 00078 virtual void print(std::ostream& os, int indent = 0) const = 0; 00079 00080 }; 00081 00082 std::ostream& operator<<(std::ostream& os, const PHX::DataLayout& t); 00083 00084 } 00085 00086 #endif