text: // 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
  