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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libquadmath/] [math/] [cprojq.c] - Rev 780
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/* 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; }
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