FEI Version of the Day
fei_sstream.hpp
00001 /*
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00004 //             FEI: Finite Element Interface to Linear Solvers
00005 //                  Copyright (2005) Sandia Corporation.
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00011 // modification, are permitted provided that the following conditions are
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00016 //
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00041 */
00042 
00043 
00044 #ifndef _fei_sstream_hpp_
00045 #define _fei_sstream_hpp_
00046 
00047 #include "fei_macros.hpp"
00048 
00049 //
00050 //The stuff in this file somewhat protects us from the fact that some
00051 //platforms may not put stream-related stuff in the std namespace,
00052 //even though most do.
00053 //These days (2007) perhaps all platforms do put everything in std and
00054 //perhaps no platforms still have iostream.h without having <iostream>, etc.
00055 //But historically we've had to account for these possibilities and I see
00056 //little to be gained from removing this flexibility at this point.
00057 //
00058 //The basic mechanism here is to use macros that are defined differently
00059 //for certain situations. An alternative approach would be to import
00060 //symbols into our namespace, but we choose not to do that since it is
00061 //a well-known sin to perform namespace pollution from within a header.
00062 //
00063 
00064 #ifdef FEI_HAVE_SSTREAM
00065 #include <sstream>
00066 #define FEI_ISTRINGSTREAM std::istringstream
00067 #define FEI_OSTRINGSTREAM std::ostringstream
00068 #elif defined(FEI_HAVE_SSTREAM_H)
00069 #include <sstream.h>
00070 #define FEI_ISTRINGSTREAM istringstream
00071 #define FEI_OSTRINGSTREAM ostringstream
00072 #else
00073 #error "must have <sstream> or <sstream.h>"
00074 #endif
00075 
00076 
00077 #endif
00078 
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