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| author | Wilco Dijkstra <Wilco.Dijkstra@arm.com> | 2021-12-01 11:08:14 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-12-13 10:08:46 -0300 |
| commit | 2f44eef584a4c9650ce772258dedde902c00dae2 (patch) | |
| tree | 807a3d4b53911625b224344a6ab032a6e684047e /sysdeps/ieee754 | |
| parent | ecb94e958707d907327f164b95ae92320e0aab48 (diff) | |
| download | glibc-2f44eef584a4c9650ce772258dedde902c00dae2.tar.gz glibc-2f44eef584a4c9650ce772258dedde902c00dae2.tar.xz glibc-2f44eef584a4c9650ce772258dedde902c00dae2.zip | |
math: Use fmin/fmax on hypot
It optimizes for architectures that provides fast builtins. Checked on aarch64-linux-gnu.
Diffstat (limited to 'sysdeps/ieee754')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_hypot.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_hypot.c b/sysdeps/ieee754/dbl-64/e_hypot.c index 6fedf0d61f..0bdab989e4 100644 --- a/sysdeps/ieee754/dbl-64/e_hypot.c +++ b/sysdeps/ieee754/dbl-64/e_hypot.c @@ -38,6 +38,7 @@ #include <math_private.h> #include <math-underflow.h> #include <math-narrow-eval.h> +#include <math-use-builtins.h> #include <libm-alias-finite.h> #include "math_config.h" @@ -95,8 +96,8 @@ __ieee754_hypot (double x, double y) x = fabs (x); y = fabs (y); - double ax = x < y ? y : x; - double ay = x < y ? x : y; + double ax = USE_FMAX_BUILTIN ? fmax (x, y) : (x < y ? y : x); + double ay = USE_FMIN_BUILTIN ? fmin (x, y) : (x < y ? x : y); /* If ax is huge, scale both inputs down. */ if (__glibc_unlikely (ax > LARGE_VAL)) |