DenseLinAlgPack_InFormatDef.hpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// This library is free software; you can redistribute it and/or modify
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// Template definition file.

#ifndef LINALGPACK_IN_FORMAT_DEF_H
#define LINALGPACK_IN_FORMAT_DEF_H

#include <istream>

#include "DenseLinAlgPack_InFormatDecl.hpp"

namespace DenseLinAlgPack {

template<class T>
std::istream& operator>>(std::istream& is, const LinAlgPackIO::bound_format<T>& bf) {
  using LinAlgPackIO::ios_format_memento;

  ios_format_memento old_format = ios_format_memento::save_format(is);

  try {
    bf.f().set_format(is);
    input( is, &const_cast< LinAlgPackIO::bound_format<T>&>(bf).obj()
         , bf.f().extra_flags().flags() );
  }
  catch(...) {
    old_format.set_format(is);
    throw;
  }

  old_format.set_format(is);
  return is;
}

} // end namespace DenseLinAlgPack

#endif // LINALGPACK_IN_FORMAT_DEF_H