diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_dfmal.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-96/s_dfmal.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_dfmal.c b/sysdeps/ieee754/ldbl-96/s_dfmal.c new file mode 100644 index 0000000000..5a1ecf7e79 --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_dfmal.c @@ -0,0 +1,34 @@ +/* Fused multiply-add of long double (ldbl-96) value, narrowing the result + to double. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define f32xfmaf64x __hide_f32xfmaf64x +#define f64fmaf64x __hide_f64fmaf64x +#include <math.h> +#undef f32xfmaf64x +#undef f64fmaf64x + +#include <math-narrow.h> + +double +__dfmal (long double x, long double y, long double z) +{ + NARROW_FMA_ROUND_TO_ODD (x, y, z, double, union ieee854_long_double, l, + mantissa1, false); +} +libm_alias_double_ldouble (fma) |