Sacado_mpl_integral_c.hpp

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00001 // $Id$ 
00002 // $Source$ 
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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
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00019 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00020 // Lesser General Public License for more details.
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00027 // (etphipp@sandia.gov).
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00031 
00032 #ifndef SACADO_MPL_INTEGRAL_C_HPP
00033 #define SACADO_MPL_INTEGRAL_C_HPP
00034 
00035 namespace Sacado {
00036 
00037   namespace mpl {
00038 
00039     // Type wrapper for storing an integral value
00040     template <class T, T N>
00041     struct integral_c {
00042       static const T value = N;
00043       typedef integral_c<T,N> type;
00044       typedef T value_type;
00045       typedef integral_c<T,N+1> next;
00046       typedef integral_c<T,N-1> prior;
00047       operator T() const { return N; }
00048     };
00049 
00050   }
00051 
00052 }
00053 
00054 #endif
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