diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_dsubl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_dsubl.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_dsubl.c b/sysdeps/ieee754/ldbl-128/s_dsubl.c new file mode 100644 index 0000000000..46d0f95b4c --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/s_dsubl.c @@ -0,0 +1,37 @@ +/* Subtract long double (ldbl-128) values, narrowing the result to double. + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +#define f32xsubf64x __hide_f32xsubf64x +#define f32xsubf128 __hide_f32xsubf128 +#define f64subf64x __hide_f64subf64x +#define f64subf128 __hide_f64subf128 +#include <math.h> +#undef f32xsubf64x +#undef f32xsubf128 +#undef f64subf64x +#undef f64subf128 + +#include <math-narrow.h> + +double +__dsubl (_Float128 x, _Float128 y) +{ + NARROW_SUB_ROUND_TO_ODD (x, y, double, union ieee854_long_double, l, + mantissa3); +} +libm_alias_double_ldouble (sub) |