Subversion Repositories openrisc

/* Compute projection of complex __float128 value to Riemann sphere.

   Copyright (C) 1997, 1999, 2010 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#include "quadmath-imp.h"

__complex128

cprojq (__complex128 x)

{

  if (isnanq (__real__ x) && isnanq (__imag__ x))

    return x;

  else if (!finiteq (__real__ x) || !finiteq (__imag__ x))

    {

      __complex128 res;

      __real__ res = __builtin_inf ();

      __imag__ res = copysignq (0.0, __imag__ x);

      return res;

    }

  return x;

}