]>
Commit | Line | Data |
---|---|---|
69a01461 | 1 | /* Multiply _Float128 values, converting the result to _Float64x. |
04277e02 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
69a01461 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
69a01461 JM |
18 | |
19 | #include <math.h> | |
20 | #include <math-narrow.h> | |
21 | ||
22 | /* math_ldbl.h defines _Float128 to long double for this directory, | |
23 | but when they are different, this function must be defined with | |
24 | _Float128 arguments to avoid defining an alias with an incompatible | |
25 | type. */ | |
26 | #undef _Float128 | |
27 | ||
28 | _Float64x | |
29 | __f64xmulf128 (_Float128 x, _Float128 y) | |
30 | { | |
31 | #if __HAVE_FLOAT64X_LONG_DOUBLE && __HAVE_DISTINCT_FLOAT128 | |
32 | NARROW_MUL_ROUND_TO_ODD (x, y, _Float64x, union ieee854_long_double, l, | |
33 | mantissa3); | |
34 | #else | |
35 | NARROW_MUL_TRIVIAL (x, y, _Float64x); | |
36 | #endif | |
37 | } | |
38 | libm_alias_float64x_float128 (mul) |