1*404b540aSrobert /* Return nonzero value if number is negative. */
2*404b540aSrobert
3*404b540aSrobert /* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
4*404b540aSrobert
5*404b540aSrobert This file is part of the GNU ISO C++ Library. This library is free
6*404b540aSrobert software; you can redistribute it and/or modify it under the
7*404b540aSrobert terms of the GNU General Public License as published by the
8*404b540aSrobert Free Software Foundation; either version 2, or (at your option)
9*404b540aSrobert any later version.
10*404b540aSrobert
11*404b540aSrobert This library is distributed in the hope that it will be useful,
12*404b540aSrobert but WITHOUT ANY WARRANTY; without even the implied warranty of
13*404b540aSrobert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14*404b540aSrobert GNU General Public License for more details.
15*404b540aSrobert
16*404b540aSrobert You should have received a copy of the GNU General Public License along
17*404b540aSrobert with this library; see the file COPYING. If not, write to the Free
18*404b540aSrobert Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19*404b540aSrobert USA.
20*404b540aSrobert
21*404b540aSrobert As a special exception, you may use this file as part of a free software
22*404b540aSrobert library without restriction. Specifically, if other files instantiate
23*404b540aSrobert templates or use macros or inline functions from this file, or you compile
24*404b540aSrobert this file and link it with other files to produce an executable, this
25*404b540aSrobert file does not by itself cause the resulting executable to be covered by
26*404b540aSrobert the GNU General Public License. This exception does not however
27*404b540aSrobert invalidate any other reasons why the executable file might be covered by
28*404b540aSrobert the GNU General Public License. */
29*404b540aSrobert
30*404b540aSrobert
31*404b540aSrobert #include <math.h>
32*404b540aSrobert #include "mathconf.h"
33*404b540aSrobert
34*404b540aSrobert int
__signbitf(float x)35*404b540aSrobert __signbitf (float x)
36*404b540aSrobert {
37*404b540aSrobert Int32_t hx;
38*404b540aSrobert
39*404b540aSrobert GET_FLOAT_WORD (hx, x);
40*404b540aSrobert return hx & 0x80000000;
41*404b540aSrobert }
42