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8d3f9e85 | 1 | /* Subtract long double (ldbl-96) values, narrowing the result to double. |
04277e02 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
8d3f9e85 JM |
3 | This file is part of the GNU C Library. |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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/>. */ | |
18 | ||
19 | #define f32xsubf64x __hide_f32xsubf64x | |
20 | #define f64subf64x __hide_f64subf64x | |
21 | #include <math.h> | |
22 | #undef f32xsubf64x | |
23 | #undef f64subf64x | |
24 | ||
25 | #include <math-narrow.h> | |
26 | ||
27 | double | |
28 | __dsubl (long double x, long double y) | |
29 | { | |
30 | NARROW_SUB_ROUND_TO_ODD (x, y, double, union ieee854_long_double, l, | |
31 | mantissa1); | |
32 | } | |
33 | libm_alias_double_ldouble (sub) |