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Diffstat (limited to 'sysdeps/i386/fpu/s_nextafterl.c')
-rw-r--r--sysdeps/i386/fpu/s_nextafterl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/s_nextafterl.c b/sysdeps/i386/fpu/s_nextafterl.c
index 66d903f801..188dc2129a 100644
--- a/sysdeps/i386/fpu/s_nextafterl.c
+++ b/sysdeps/i386/fpu/s_nextafterl.c
@@ -26,6 +26,7 @@ static char rcsid[] = "$NetBSD: $";
* Special cases:
*/
+#include <errno.h>
#include <math.h>
#include <math_private.h>
@@ -109,10 +110,12 @@ long double __nextafterl(long double x, long double y)
if(esy==0x7fff) {
long double u = x + x; /* overflow */
math_force_eval (u);
+ __set_errno (ERANGE);
}
if(esy==0) {
long double u = x*x; /* underflow */
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
SET_LDOUBLE_WORDS(x,esx,hx,lx);
return x;