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// The -*- C++ -*- long_double_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 __LDCOMPLEX__
#define __LDCOMPLEX__
#ifdef __GNUG__
#pragma interface "ldcomplex"
#endif
extern "C++" {
class complex<long double>
{
public:
complex (long double r = 0, long double i = 0): re (r), im (i) { }
complex (const complex<float>& r): re (r.real ()), im (r.imag ()) { }
complex (const complex<double>& r): re (r.real ()), im (r.imag ()) { }
complex& operator+= (const complex&);
complex& operator-= (const complex&);
complex& operator*= (const complex&);
complex& operator/= (const complex&);
long double real () const { return re; }
long double imag () const { return im; }
private:
long double re, im;
// These functions are specified as friends for purposes of name injection;
// they do not actually reference private members.
friend long double real (const complex& x) { return x.real (); }
friend long double imag (const complex& x) { return x.imag (); }
friend complex operator + (const complex&, const complex&) __attribute__ ((const));
friend complex operator + (const complex&, long double) __attribute__ ((const));
friend complex operator + (long double, const complex&) __attribute__ ((const));
friend complex operator - (const complex&, const complex&) __attribute__ ((const));
friend complex operator - (const complex&, long double) __attribute__ ((const));
friend complex operator - (long double, const complex&) __attribute__ ((const));
friend complex operator * (const complex&, const complex&) __attribute__ ((const));
friend complex operator * (const complex&, long double) __attribute__ ((const));
friend complex operator * (long double, const complex&) __attribute__ ((const));
friend complex operator / (const complex&, const complex&) __attribute__ ((const));
friend complex operator / (const complex&, long double) __attribute__ ((const));
friend complex operator / (long double, const complex&) __attribute__ ((const));
friend bool operator == (const complex&, const complex&) __attribute__ ((const));
friend bool operator == (const complex&, long double) __attribute__ ((const));
friend bool operator == (long double, const complex&) __attribute__ ((const));
friend bool operator != (const complex&, const complex&) __attribute__ ((const));
friend bool operator != (const complex&, long double) __attribute__ ((const));
friend bool operator != (long double, const complex&) __attribute__ ((const));
friend complex polar (long double, long double) __attribute__ ((const));
friend complex pow (const complex&, const complex&) __attribute__ ((const));
friend complex pow (const complex&, long double) __attribute__ ((const));
friend complex pow (const complex&, int) __attribute__ ((const));
friend complex pow (long double, const complex&) __attribute__ ((const));
friend istream& operator>> (istream&, complex&);
friend ostream& operator<< (ostream&, const complex&);
};
inline complex<float>::complex (const complex<long double>& r)
: re (r.real ()), im (r.imag ())
{ }
inline complex<double>::complex (const complex<long double>& r)
: re (r.real ()), im (r.imag ())
{ }
} // extern "C++"
#endif
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