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-rw-r--r--sysdeps/ieee754/ldbl-96/s_asinhl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_asinhl.c b/sysdeps/ieee754/ldbl-96/s_asinhl.c
index 5e679bd719..75e47c71ea 100644
--- a/sysdeps/ieee754/ldbl-96/s_asinhl.c
+++ b/sysdeps/ieee754/ldbl-96/s_asinhl.c
@@ -29,6 +29,7 @@ static char rcsid[] = "$NetBSD: $";
  *		  := signl(x)*log1pl(|x| + x^2/(1 + sqrtl(1+x^2)))
  */
 
+#include <float.h>
 #include <math.h>
 #include <math_private.h>
 
@@ -44,6 +45,11 @@ long double __asinhl(long double x)
 	GET_LDOUBLE_EXP(hx,x);
 	ix = hx&0x7fff;
 	if(__builtin_expect(ix< 0x3fde, 0)) {	/* |x|<2**-34 */
+	    if (fabsl (x) < LDBL_MIN)
+	      {
+		long double force_underflow = x * x;
+		math_force_eval (force_underflow);
+	      }
 	    if(huge+x>one) return x;	/* return x inexact except 0 */
 	}
 	if(__builtin_expect(ix>0x4020,0)) {		/* |x| > 2**34 */