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Diffstat (limited to 'contrib/libstdc++/std/fcomplex.h')
-rw-r--r-- | contrib/libstdc++/std/fcomplex.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/contrib/libstdc++/std/fcomplex.h b/contrib/libstdc++/std/fcomplex.h new file mode 100644 index 0000000..cd9af1a --- /dev/null +++ b/contrib/libstdc++/std/fcomplex.h @@ -0,0 +1,87 @@ +// The -*- C++ -*- float_complex class. +// Copyright (C) 1994 Free Software Foundation + +// This file is part of the GNU ANSI 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, if you link this library with files +// compiled with a GNU compiler to produce an executable, this does not 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. + +// Written by Jason Merrill based upon the specification in the 27 May 1994 +// C++ working paper, ANSI document X3J16/94-0098. + +#ifndef __FCOMPLEX__ +#define __FCOMPLEX__ + +#ifdef __GNUG__ +#pragma interface "fcomplex" +#endif + +extern "C++" { +class complex<float> +{ +public: + complex (float r = 0, float i = 0): re (r), im (i) { } + explicit complex (const complex<double>& r); + explicit complex (const complex<long double>& r); + + complex& operator+= (const complex& r) { return __doapl (this, r); } + complex& operator-= (const complex& r) { return __doami (this, r); } + complex& operator*= (const complex& r) { return __doaml (this, r); } + complex& operator/= (const complex& r) { return __doadv (this, r); } + + float real () const { return re; } + float imag () const { return im; } +private: + float re, im; + + friend complex& __doapl<> (complex *, const complex&); + friend complex& __doami<> (complex *, const complex&); + friend complex& __doaml<> (complex *, const complex&); + friend complex& __doadv<> (complex *, const complex&); + +#ifndef __STRICT_ANSI__ + friend inline complex operator + (const complex& x, float y) + { return operator+<> (x, y); } + friend inline complex operator + (float x, const complex& y) + { return operator+<> (x, y); } + friend inline complex operator - (const complex& x, float y) + { return operator-<> (x, y); } + friend inline complex operator - (float x, const complex& y) + { return operator-<> (x, y); } + friend inline complex operator * (const complex& x, float y) + { return operator*<> (x, y); } + friend inline complex operator * (float x, const complex& y) + { return operator*<> (x, y); } + friend inline complex operator / (const complex& x, float y) + { return operator/<> (x, y); } + friend inline complex operator / (float x, const complex& y) + { return operator/<> (x, y); } + friend inline bool operator == (const complex& x, float y) + { return operator==<> (x, y); } + friend inline bool operator == (float x, const complex& y) + { return operator==<> (x, y); } + friend inline bool operator != (const complex& x, float y) + { return operator!=<> (x, y); } + friend inline bool operator != (float x, const complex& y) + { return operator!=<> (x, y); } +#endif /* __STRICT_ANSI__ */ +}; +} // extern "C++" + +#endif |