/* Lightweight function to test for ieee unordered comparison Copyright (C) 2002 Free Software Foundation, Inc. Contributed by Ian Dall <ian@beware.dropbear.id.au> This file is part of GNU CC. GNU CC 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. GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ # define ISNAN(x) ( \ { \ union u { float f; unsigned int i; } *t = (union u *)&(x); \ ((t->i & 0x7f800000) == 0x7f800000) && \ ((t->i & 0x7fffff) != 0); \ }) int __unordsf2 ( float, float); int __unordsf2 ( float a, float b) { return ISNAN(a) || ISNAN(b); }