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-rw-r--r--winsup/cygwin/math/sqrt.def.h5
-rw-r--r--winsup/cygwin/release/3.2.05
2 files changed, 8 insertions, 2 deletions
diff --git a/winsup/cygwin/math/sqrt.def.h b/winsup/cygwin/math/sqrt.def.h
index cf8b5cbe6..3d1a00908 100644
--- a/winsup/cygwin/math/sqrt.def.h
+++ b/winsup/cygwin/math/sqrt.def.h
@@ -73,8 +73,11 @@ __FLT_ABI (sqrt) (__FLT_TYPE x)
if (x_class == FP_ZERO)
return __FLT_CST (-0.0);
+ if (x_class == FP_NAN)
+ return x;
+
errno = EDOM;
- return x;
+ return -__FLT_NAN;
}
else if (x_class == FP_ZERO)
return __FLT_CST (0.0);
diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
index 11de87dbc..22f78e7a7 100644
--- a/winsup/cygwin/release/3.2.0
+++ b/winsup/cygwin/release/3.2.0
@@ -37,5 +37,8 @@ Bug Fixes
- Fix assertion failure on an invalid path under /proc/<pid>/fd/.
Addresses: https://cygwin.com/pipermail/cygwin/2020-September/246160.html
-- Fix crash on stat(2)'ing /dev/ptmx on 32 bit
+- Fix crash on stat(2)'ing /dev/ptmx on 32 bit.
Addresses: https://cygwin.com/pipermail/cygwin/2020-September/246218.html
+
+- Fix return value of sqrtl on negative infinity.
+ Addresses: https://cygwin.com/pipermail/cygwin/2020-October/246606.html