diff options
Diffstat (limited to 'libstdc++-v3/src/complex_io.cc')
| -rw-r--r-- | libstdc++-v3/src/complex_io.cc | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libstdc++-v3/src/complex_io.cc b/libstdc++-v3/src/complex_io.cc new file mode 100644 index 00000000000..3733416dc2e --- /dev/null +++ b/libstdc++-v3/src/complex_io.cc @@ -0,0 +1,160 @@ +// The template and inlines for the -*- C++ -*- complex number classes. + +// Copyright (C) 2000 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#include <bits/std_complex.h> +#include <bits/std_istream.h> +#include <bits/std_ostream.h> +#include <bits/std_sstream.h> + + +namespace std +{ + + template<typename _Tp, typename _CharT, class _Traits> + basic_istream <_CharT, _Traits> & + operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x) + { +#if !defined(_GLIBCPP_BUGGY_FLOAT_COMPLEX) && !defined(_GLIBCPP_BUGGY_COMPLEX) + _Tp __re_x, __im_x; + _CharT __ch; + __is >> __ch; + if (__ch == '(') + { + __is >> __re_x >> __ch; + if (__ch == ',') + { + __is >> __im_x >> __ch; + if (__ch == ')') + { + __x = complex<_Tp>(__re_x, __im_x); + return __is; + } + } + else if (__ch == ')') + { + __x = complex<_Tp>(__re_x, _Tp(0)); + return __is; + } + } + else + { + __is.putback(__ch); + __is >> __re_x; + __x = complex<_Tp>(__re_x, _Tp(0)); + return __is; + } + __is.setstate(ios_base::failbit); +#else + __x = complex<_Tp>(_Tp(0), _Tp(0)); +#endif + return __is; + } + + template<typename _Tp, typename _CharT, class _Traits> + basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x) + { + basic_ostringstream<_CharT, _Traits> __s; + __s.flags(__os.flags()); +#ifdef _G_HAVE_LOCALE + __s.imbue(__os.getloc()); +#endif + __s.precision (__os.precision()); + __s << '(' << __x.real() << "," << __x.imag() << ')' << ends; + return __os << __s.str(); + } + + + template + basic_istream< char, char_traits<char> >& + operator>>(basic_istream< char, char_traits<char> >&, + complex<float>&); + + template + basic_ostream< char, char_traits<char> >& + operator<<(basic_ostream< char, char_traits<char> >&, + const complex<float>&); + + template + basic_istream< char, char_traits<char> >& + operator>>(basic_istream< char, char_traits<char> >&, + complex<double>&); + + template + basic_ostream< char, char_traits<char> >& + operator<<(basic_ostream< char, char_traits<char> >&, + const complex<double>&); + + template + basic_istream< char, char_traits<char> >& + operator>>(basic_istream< char, char_traits<char> >&, + complex<long double>&); + + template + basic_ostream< char, char_traits<char> >& + operator<<(basic_ostream< char, char_traits<char> >&, + const complex<long double>&); + + template + basic_istream< wchar_t, char_traits<wchar_t> >& + operator>>(basic_istream< wchar_t, char_traits<wchar_t> >&, + complex<float>&); + + template + basic_ostream< wchar_t, char_traits<wchar_t> >& + operator<<(basic_ostream< wchar_t, char_traits<wchar_t> >&, + const complex<float>&); + + template + basic_istream< wchar_t, char_traits<wchar_t> >& + operator>>(basic_istream< wchar_t, char_traits<wchar_t> >&, + complex<double>&); + + template + basic_ostream< wchar_t, char_traits<wchar_t> >& + operator<<(basic_ostream< wchar_t, char_traits<wchar_t> >&, + const complex<double>&); + + template + basic_istream< wchar_t, char_traits<wchar_t> >& + operator>>(basic_istream< wchar_t, char_traits<wchar_t> >&, + complex<long double>&); + + template + basic_ostream< wchar_t, char_traits<wchar_t> >& + operator<<(basic_ostream< wchar_t, char_traits<wchar_t> >&, + const complex<long double>&); +} + + + + + + + |