public inbox for glibc-cvs@sourceware.org
help / color / mirror / Atom feed
* [glibc] math: Use fmin/fmax on hypot
@ 2021-12-13 13:55 Adhemerval Zanella
0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2021-12-13 13:55 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f44eef584a4c9650ce772258dedde902c00dae2
commit 2f44eef584a4c9650ce772258dedde902c00dae2
Author: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Date: Wed Dec 1 11:08:14 2021 -0300
math: Use fmin/fmax on hypot
It optimizes for architectures that provides fast builtins.
Checked on aarch64-linux-gnu.
Diff:
---
sysdeps/ieee754/dbl-64/e_hypot.c | 5 +++--
1 file 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))
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-12-13 13:55 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-13 13:55 [glibc] math: Use fmin/fmax on hypot Adhemerval Zanella
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).