]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/ieee754/soft-fp/s_dmull.c
437c55bd80c7edfa75e3c640dc6122eb7e3a2a98
1 /* Multiply long double (ldbl-128) values, narrowing the result to
3 Copyright (C) 2018-2019 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #define f32xmulf64x __hide_f32xmulf64x
21 #define f32xmulf128 __hide_f32xmulf128
22 #define f64mulf64x __hide_f64mulf64x
23 #define f64mulf128 __hide_f64mulf128
30 #include <math-narrow.h>
36 __dmull (_Float128 x
, _Float128 y
)
49 #if _FP_W_TYPE_SIZE < 64
50 FP_TRUNC_COOKED (D
, Q
, 2, 4, RN
, R
);
52 FP_TRUNC_COOKED (D
, Q
, 1, 2, RN
, R
);
56 CHECK_NARROW_MUL (ret
, x
, y
);
59 libm_alias_double_ldouble (mul
)