DenseLinAlgPack_InFormatDef.hpp

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00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) Sandia Corporation
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00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
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00028 //
00029 // Template definition file.
00030 
00031 #ifndef LINALGPACK_IN_FORMAT_DEF_H
00032 #define LINALGPACK_IN_FORMAT_DEF_H
00033 
00034 #include <istream>
00035 
00036 #include "DenseLinAlgPack_InFormatDecl.hpp"
00037 
00038 namespace DenseLinAlgPack {
00039 
00040 template<class T>
00041 std::istream& operator>>(std::istream& is, const LinAlgPackIO::bound_format<T>& bf) {
00042   using LinAlgPackIO::ios_format_memento;
00043 
00044   ios_format_memento old_format = ios_format_memento::save_format(is);
00045 
00046   try {
00047     bf.f().set_format(is);
00048     input( is, &const_cast< LinAlgPackIO::bound_format<T>&>(bf).obj()
00049          , bf.f().extra_flags().flags() );
00050   }
00051   catch(...) {
00052     old_format.set_format(is);
00053     throw;
00054   }
00055 
00056   old_format.set_format(is);
00057   return is;
00058 }
00059 
00060 } // end namespace DenseLinAlgPack
00061 
00062 #endif // LINALGPACK_IN_FORMAT_DEF_H

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