diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_dfmal.c | 34 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_ffmal.c | 32 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_fma.c | 6 |
3 files changed, 72 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) diff --git a/sysdeps/ieee754/ldbl-96/s_ffmal.c b/sysdeps/ieee754/ldbl-96/s_ffmal.c new file mode 100644 index 0000000000..71f96b880b --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_ffmal.c @@ -0,0 +1,32 @@ +/* Fused multiply-add of long double (ldbl-96) value, narrowing the result + to float. + 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 f32fmaf64x __hide_f32fmaf64x +#include <math.h> +#undef f32fmaf64x + +#include <math-narrow.h> + +float +__ffmal (long double x, long double y, long double z) +{ + NARROW_FMA_ROUND_TO_ODD (x, y, z, float, union ieee854_long_double, l, + mantissa1, false); +} +libm_alias_float_ldouble (fma) diff --git a/sysdeps/ieee754/ldbl-96/s_fma.c b/sysdeps/ieee754/ldbl-96/s_fma.c index 417c27e534..025c60651e 100644 --- a/sysdeps/ieee754/ldbl-96/s_fma.c +++ b/sysdeps/ieee754/ldbl-96/s_fma.c @@ -18,11 +18,16 @@ #define NO_MATH_REDIRECT #include <float.h> +#define dfmal __hide_dfmal +#define f32xfmaf64 __hide_f32xfmaf64 #include <math.h> +#undef dfmal +#undef f32xfmaf64 #include <fenv.h> #include <ieee754.h> #include <math-barriers.h> #include <libm-alias-double.h> +#include <math-narrow-alias.h> /* This implementation uses rounding to odd to avoid problems with double rounding. See a paper by Boldo and Melquiond: @@ -97,4 +102,5 @@ __fma (double x, double y, double z) } #ifndef __fma libm_alias_double (__fma, fma) +libm_alias_double_narrow (__fma, fma) #endif |