(nuttx) branch master updated: libm/copysign: respect signed zero/NaN in copysign

[xiaoxiang]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 871cd306c5 libm/copysign: respect signed zero/NaN in copysign
871cd306c5 is described below

commit 871cd306c58c356c710115193bb4b906d099b5a0
Author: Yingwei Zheng <dtcxzyw2...@gmail.com>
AuthorDate: Wed Jul 31 20:34:15 2024 +0800

    libm/copysign: respect signed zero/NaN in copysign
---
 libs/libm/libm/lib_copysign.c  | 2 +-
 libs/libm/libm/lib_copysignl.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/libm/libm/lib_copysign.c b/libs/libm/libm/lib_copysign.c
index f0b6c8ad3b..171b476aaa 100644
--- a/libs/libm/libm/lib_copysign.c
+++ b/libs/libm/libm/lib_copysign.c
@@ -34,7 +34,7 @@
 #ifdef CONFIG_HAVE_DOUBLE
 double copysign(double x, double y)
 {
-  if (y < 0)
+  if (signbit(y))
     {
       return -fabs(x);
     }
diff --git a/libs/libm/libm/lib_copysignl.c b/libs/libm/libm/lib_copysignl.c
index 58d3a32067..824403904d 100644
--- a/libs/libm/libm/lib_copysignl.c
+++ b/libs/libm/libm/lib_copysignl.c
@@ -34,7 +34,7 @@
 #ifdef CONFIG_HAVE_LONG_DOUBLE
 long double copysignl(long double x, long double y)
 {
-  if (y < 0)
+  if (signbit(y))
     {
       return -fabsl(x);
     }