Sacado Package Browser (Single Doxygen Collection) Version of the Day
Sacado_StaticArrayTraits.hpp
Go to the documentation of this file.
00001 // $Id$ 
00002 // $Source$ 
00003 // @HEADER
00004 // ***********************************************************************
00005 // 
00006 //                           Sacado Package
00007 //                 Copyright (2006) Sandia Corporation
00008 // 
00009 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00010 // the U.S. Government retains certain rights in this software.
00011 // 
00012 // This library is free software; you can redistribute it and/or modify
00013 // it under the terms of the GNU Lesser General Public License as
00014 // published by the Free Software Foundation; either version 2.1 of the
00015 // License, or (at your option) any later version.
00016 //  
00017 // This library is distributed in the hope that it will be useful, but
00018 // WITHOUT ANY WARRANTY; without even the implied warranty of
00019 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00020 // Lesser General Public License for more details.
00021 //  
00022 // You should have received a copy of the GNU Lesser General Public
00023 // License along with this library; if not, write to the Free Software
00024 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00025 // USA
00026 // Questions? Contact David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
00027 // (etphipp@sandia.gov).
00028 // 
00029 // ***********************************************************************
00030 // @HEADER
00031 
00032 #ifndef SACADO_STATICARRAYTRAITS_HPP
00033 #define SACADO_STATICARRAYTRAITS_HPP
00034 
00035 #include <cstring>
00036 
00037 #include "Sacado_Traits.hpp"
00038 
00039 namespace Sacado {
00040 
00044   template <typename T, bool isScalar = IsScalarType<T>::value>
00045   struct ss_array {
00046     
00048     static inline void copy(const T* src, T*  dest, int sz) {
00049       for (int i=0; i<sz; ++i)
00050   *(dest++) = *(src++);
00051     }
00052 
00054     static inline void zero(T* dest, int sz) {
00055       for (int i=0; i<sz; ++i)
00056   *(dest++) = T(0.);
00057     }
00058   };
00059 
00064   template <typename T>
00065   struct ss_array<T,true> {
00066     
00068     static inline void copy(const T* src, T* dest, int sz) {
00069       std::memcpy(dest,src,sz*sizeof(T));
00070     }
00071     
00073     static inline void zero(T* dest, int sz) {
00074       if (sz > 0)
00075   std::memset(dest,0,sz*sizeof(T));
00076     }
00077 
00078   };
00079 
00080 } // namespace Sacado
00081 
00082 #endif // SACAD0_STATICARRAYTRAITS_HPP
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines