summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_asinl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_asinl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_asinl.c b/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
index 99a5b85fa0..dece11875b 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
@@ -134,6 +134,8 @@ __ieee754_asinl (long double x)
   long double a, t, w, p, q, c, r, s;
   int flag;
 
+  if (__glibc_unlikely (__isnanl (x)))
+    return x + x;
   flag = 0;
   a = __builtin_fabsl (x);
   if (a == 1.0L)	/* |x|>= 1 */