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00001 /*
00002  * Copyright (c) 1999
00003  * Silicon Graphics Computer Systems, Inc.
00004  *
00005  * Copyright (c) 1999
00006  * Boris Fomitchev
00007  *
00008  * This material is provided "as is", with absolutely no warranty expressed
00009  * or implied. Any use is at your own risk.
00010  *
00011  * Permission to use or copy this software for any purpose is hereby granted
00012  * without fee, provided the above notices are retained on all copies.
00013  * Permission to modify the code and to distribute modified code is granted,
00014  * provided the above notices are retained, and a notice that the code was
00015  * modified is included with the above copyright notice.
00016  *
00017  */
00018 
00019 #include "stlport_prefix.h"
00020 
00021 #include <complex>
00022 #include <istream>
00023 
00024 _STLP_BEGIN_NAMESPACE
00025 
00026 // Specializations for narrow characters; lets us avoid the nuisance of
00027 // widening.
00028 _STLP_OPERATOR_SPEC
00029 basic_ostream<char, char_traits<char> >& _STLP_CALL
00030 operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<float>& __z)
00031 { return __os << '(' << (double)__z.real() << ',' << (double)__z.imag() << ')'; }
00032 
00033 _STLP_OPERATOR_SPEC
00034 basic_ostream<char, char_traits<char> >& _STLP_CALL
00035 operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<double>& __z)
00036 { return __os << '(' << __z.real() << ',' << __z.imag() << ')'; }
00037 
00038 #ifndef _STLP_NO_LONG_DOUBLE
00039 _STLP_OPERATOR_SPEC
00040 basic_ostream<char, char_traits<char> >& _STLP_CALL
00041 operator<< (basic_ostream<char, char_traits<char> >& __os, const complex<long double>& __z)
00042 { return __os << '(' << __z.real() << ',' << __z.imag() << ')'; }
00043 #endif
00044 
00045 // Specialization for narrow characters; lets us avoid widen.
00046 _STLP_OPERATOR_SPEC
00047 basic_istream<char, char_traits<char> >& _STLP_CALL
00048 operator>>(basic_istream<char, char_traits<char> >& __is, complex<float>& __z) {
00049   float  __re = 0;
00050   float  __im = 0;
00051 
00052   char __c;
00053 
00054   __is >> __c;
00055   if (__c == '(') {
00056     __is >> __re >> __c;
00057     if (__c == ',')
00058       __is >> __im >> __c;
00059     if (__c != ')')
00060       __is.setstate(ios_base::failbit);
00061   }
00062   else {
00063     __is.putback(__c);
00064     __is >> __re;
00065   }
00066 
00067   if (__is)
00068     __z = complex<float>(__re, __im);
00069   return __is;
00070 }
00071 
00072 _STLP_OPERATOR_SPEC
00073 basic_istream<char, char_traits<char> >& _STLP_CALL
00074 operator>>(basic_istream<char, char_traits<char> >& __is, complex<double>& __z) {
00075   double  __re = 0;
00076   double  __im = 0;
00077 
00078   char __c;
00079 
00080   __is >> __c;
00081   if (__c == '(') {
00082     __is >> __re >> __c;
00083     if (__c == ',')
00084       __is >> __im >> __c;
00085     if (__c != ')')
00086       __is.setstate(ios_base::failbit);
00087   }
00088   else {
00089     __is.putback(__c);
00090     __is >> __re;
00091   }
00092 
00093   if (__is)
00094     __z = complex<double>(__re, __im);
00095   return __is;
00096 }
00097 
00098 #ifndef _STLP_NO_LONG_DOUBLE
00099 _STLP_OPERATOR_SPEC
00100 basic_istream<char, char_traits<char> >& _STLP_CALL
00101 operator>>(basic_istream<char, char_traits<char> >& __is, complex<long double>& __z) {
00102   long double  __re = 0;
00103   long double  __im = 0;
00104 
00105   char __c;
00106 
00107   __is >> __c;
00108   if (__c == '(') {
00109     __is >> __re >> __c;
00110     if (__c == ',')
00111       __is >> __im >> __c;
00112     if (__c != ')')
00113       __is.setstate(ios_base::failbit);
00114   }
00115   else {
00116     __is.putback(__c);
00117     __is >> __re;
00118   }
00119 
00120   if (__is)
00121     __z = complex<long double>(__re, __im);
00122   return __is;
00123 }
00124 #endif
00125 
00126 // Force instantiation of complex I/O functions
00127 #if !(defined (_STLP_NO_FORCE_INSTANTIATE) || defined (_STLP_NO_WCHAR_T))
00128 
00129 _STLP_OPERATOR_SPEC basic_istream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00130 operator>>(basic_istream<wchar_t, char_traits<wchar_t> >&, complex<float>&);
00131 
00132 _STLP_OPERATOR_SPEC basic_istream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00133 operator>>(basic_istream<wchar_t, char_traits<wchar_t> >&, complex<double>&);
00134 
00135 #ifndef _STLP_NO_LONG_DOUBLE
00136 _STLP_OPERATOR_SPEC basic_istream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00137 operator>>(basic_istream<wchar_t, char_traits<wchar_t> >&, complex<long double>&);
00138 
00139 _STLP_OPERATOR_SPEC basic_ostream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00140 operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&, const complex<long double>&);
00141 #endif
00142 
00143 _STLP_OPERATOR_SPEC basic_ostream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00144 operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&, const complex<float>&);
00145 
00146 _STLP_OPERATOR_SPEC basic_ostream<wchar_t, char_traits<wchar_t> >&  _STLP_CALL
00147 operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&, const complex<double>&);
00148 
00149 #endif /* _STLP_NO_WCHAR_T */
00150 
00151 _STLP_END_NAMESPACE
00152 
00153 
00154 // Local Variables:
00155 // mode:C++
00156 // End:
00157
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