1 /* Subtract double values, narrowing the result to float.
2 Copyright (C) 2018-2022 Free Software Foundation, Inc.
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 <https://www.gnu.org/licenses/>. */
18
19 #define f32subf64 __hide_f32subf64
20 #define f32subf32x __hide_f32subf32x
21 #define fsubl __hide_fsubl
22 #include <math.h>
23 #undef f32subf64
24 #undef f32subf32x
25 #undef fsubl
26
27 #include <math-narrow.h>
28
29 float
__fsub(double x,double y)30 __fsub (double x, double y)
31 {
32 NARROW_SUB_ROUND_TO_ODD (x, y, float, union ieee754_double, , mantissa1);
33 }
34 libm_alias_float_double (sub)
35