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-rw-r--r--ext/standard/math.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/standard/math.c b/ext/standard/math.c
index 4185cd48f4..7014e6c938 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -220,7 +220,7 @@ static double php_asinh(double z)
return(asinh(z));
#else
# ifdef _WIN64
- if (z > 0) {
+ if (z >= 0) {
return log(z + sqrt(z * z + 1));
}
else {