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DenseLinAlgPack_InFormatDef.hpp
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42 // Template definition file.
43 
44 #ifndef LINALGPACK_IN_FORMAT_DEF_H
45 #define LINALGPACK_IN_FORMAT_DEF_H
46 
47 #include <istream>
48 
49 #include "DenseLinAlgPack_InFormatDecl.hpp"
50 
51 namespace DenseLinAlgPack {
52 
53 template<class T>
54 std::istream& operator>>(std::istream& is, const LinAlgPackIO::bound_format<T>& bf) {
55  using LinAlgPackIO::ios_format_memento;
56 
57  ios_format_memento old_format = ios_format_memento::save_format(is);
58 
59  try {
60  bf.f().set_format(is);
61  input( is, &const_cast< LinAlgPackIO::bound_format<T>&>(bf).obj()
62  , bf.f().extra_flags().flags() );
63  }
64  catch(...) {
65  old_format.set_format(is);
66  throw;
67  }
68 
69  old_format.set_format(is);
70  return is;
71 }
72 
73 } // end namespace DenseLinAlgPack
74 
75 #endif // LINALGPACK_IN_FORMAT_DEF_H