1 /* Total order operation on absolute values. dbl-64 version.
2 Copyright (C) 2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <math_private.h>
24 totalordermag (double x
, double y
)
28 EXTRACT_WORDS (hx
, lx
, x
);
29 EXTRACT_WORDS (hy
, ly
, y
);
32 #ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN
33 /* For the preferred quiet NaN convention, this operation is a
34 comparison of the representations of the absolute values of the
35 arguments. If both arguments are NaNs, invert the
36 quiet/signaling bit so comparing that way works. */
37 if ((hx
> 0x7ff00000 || (hx
== 0x7ff00000 && lx
!= 0))
38 && (hy
> 0x7ff00000 || (hy
== 0x7ff00000 && ly
!= 0)))
44 return hx
< hy
|| (hx
== hy
&& lx
<= ly
);
47 weak_alias (totalordermag
, totalordermagl
)