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-rw-r--r--sysdeps/ieee754/flt-32/e_j1f.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/ieee754/flt-32/e_j1f.c b/sysdeps/ieee754/flt-32/e_j1f.c
index a1809680f8..920e4b8b6d 100644
--- a/sysdeps/ieee754/flt-32/e_j1f.c
+++ b/sysdeps/ieee754/flt-32/e_j1f.c
@@ -13,6 +13,7 @@
  * ====================================================
  */
 
+#include <errno.h>
 #include <math.h>
 #include <math_private.h>
 
@@ -135,7 +136,10 @@ __ieee754_y1f(float x)
 		return z;
 	}
 	if(__builtin_expect(ix<=0x33000000, 0)) {    /* x < 2**-25 */
-	    return(-tpi/x);
+	    z = -tpi / x;
+	    if (__isinff (z))
+		__set_errno (ERANGE);
+	    return z;
 	}
 	z = x*x;
 	u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4])));