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fei_iostream.hpp
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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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00014 // 1. Redistributions of source code must retain the above copyright
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00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
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00040 // @HEADER
00041 */
00042 
00043 
00044 #ifndef _fei_iostream_hpp_
00045 #define _fei_iostream_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_IOSTREAM
00065 #include <iostream>
00066 #define FEI_OSTREAM std::ostream
00067 #define FEI_ISTREAM std::istream
00068 #define FEI_COUT std::cout
00069 #define FEI_ENDL std::endl
00070 #elif defined(FEI_HAVE_IOSTREAM_H)
00071 #include <iostream.h>
00072 #define FEI_OSTREAM ostream
00073 #define FEI_ISTREAM istream
00074 #define FEI_COUT cout
00075 #define FEI_ENDL endl
00076 #else
00077 #error "must have <iostream> or <iostream.h>"
00078 #endif
00079 //endif for ifdef FEI_HAVE_IOSTREAM
00080 
00081 #ifdef FEI_HAVE_IOMANIP
00082 #include <iomanip>
00083 #elif defined (FEI_HAVE_IOMANIP_H)
00084 #include <iomanip.h>
00085 #endif
00086 
00087 #ifdef FEI_HAVE_STD_IOS_FMTFLAGS
00088 
00089 #define IOS_FMTFLAGS std::ios_base::fmtflags
00090 #define IOS_SCIENTIFIC std::ios_base::scientific
00091 #define IOS_FLOATFIELD std::ios_base::floatfield
00092 #define IOS_FIXED std::ios_base::fixed
00093 #define IOS_APP std::ios_base::app
00094 #define IOS_OUT std::ios_base::out
00095 
00096 #else
00097 
00098 #define IOS_FMTFLAGS long
00099 #define IOS_SCIENTIFIC ios::scientific
00100 #define IOS_FLOATFIELD ios::floatfield
00101 #define IOS_FIXED ios::fixed
00102 #define IOS_APP ios::app
00103 #define IOS_OUT ios::out
00104 
00105 #ifdef FEI_IOS_FMTFLAGS
00106 #undef IOS_FMTFLAGS
00107 #define IOS_FMTFLAGS ios::fmtflags
00108 #endif
00109 
00110 #endif
00111 //endif for ifdef FEI_HAVE_STD_IOS_FMTFLAGS
00112 
00113 #include <fei_console_ostream.hpp>
00114 #endif
00115 //endif for ifndef _fei_iostream_hpp_
00116 
00117 
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