00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Playa: Programmable Linear Algebra 00005 // Copyright 2012 Sandia Corporation 00006 // 00007 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00008 // the U.S. Government retains certain rights in this software. 00009 // 00010 // Redistribution and use in source and binary forms, with or without 00011 // modification, are permitted provided that the following conditions are 00012 // met: 00013 // 00014 // 1. Redistributions of source code must retain the above copyright 00015 // notice, this list of conditions and the following disclaimer. 00016 // 00017 // 2. Redistributions in binary form must reproduce the above copyright 00018 // notice, this list of conditions and the following disclaimer in the 00019 // documentation and/or other materials provided with the distribution. 00020 // 00021 // 3. Neither the name of the Corporation nor the names of the 00022 // contributors may be used to endorse or promote products derived from 00023 // this software without specific prior written permission. 00024 // 00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY 00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE 00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00036 // 00037 // Questions? Contact Kevin Long (kevin.long@ttu.edu) 00038 // 00039 00040 /* @HEADER@ */ 00041 00042 #ifndef PLAYA_DATACHUNK_HPP 00043 #define PLAYA_DATACHUNK_HPP 00044 00045 #include "PlayaDefs.hpp" 00046 00047 namespace Playa 00048 { 00049 /** 00050 * This class wraps a pointer to a single contiguous chunk of scalar data 00051 * 00052 * @author Kevin Long (kevin.long@ttu.edu) 00053 */ 00054 template <class Scalar> 00055 class ConstDataChunk 00056 { 00057 public: 00058 /** */ 00059 ConstDataChunk(int size, const Scalar* values) 00060 : size_(size), values_(values) {} 00061 00062 /** */ 00063 const Scalar* values() const {return values_;} 00064 00065 /** */ 00066 int size() const {return size_;} 00067 00068 private: 00069 int size_; 00070 const Scalar* values_; 00071 }; 00072 00073 /** 00074 * This class wraps a pointer to a single contiguous chunk of scalar data 00075 * 00076 * @author Kevin Long (kevin.long@ttu.edu) 00077 */ 00078 template <class Scalar> 00079 class NonConstDataChunk 00080 { 00081 public: 00082 /** */ 00083 NonConstDataChunk(int size, Scalar* values) 00084 : size_(size), values_(values) {} 00085 00086 /** */ 00087 const Scalar* values() const {return values_;} 00088 00089 /** */ 00090 Scalar* values() {return values_;} 00091 00092 /** */ 00093 int size() const {return size_;} 00094 private: 00095 int size_; 00096 Scalar* values_; 00097 }; 00098 00099 00100 00101 } 00102 00103 #endif