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-rw-r--r--libm/w_atanhl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libm/w_atanhl.c b/libm/w_atanhl.c
index 77c193c4e..9a3bbede0 100644
--- a/libm/w_atanhl.c
+++ b/libm/w_atanhl.c
@@ -24,7 +24,7 @@
long double
atanhl (long double x)
{
-# if __UCLIBC_HAS_FENV__
+# if defined(__UCLIBC_HAS_FENV__)
if (__builtin_expect (isgreaterequal (fabsl (x), 1.0L), 0)
&& _LIB_VERSION != _IEEE_)
return __kernel_standard_l (x, x,