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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
index 8c61198..d8f4fc6 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
@@ -25,6 +25,7 @@ static char rcsid[] = "$NetBSD: $";
* Special cases:
*/
+#include <errno.h>
#include <math.h>
#include <math_private.h>
#include <math_ldbl_opt.h>
@@ -76,10 +77,12 @@ double __nexttoward(double x, long double y)
if(hy>=0x7ff00000) {
double u = x+x; /* overflow */
math_force_eval (u);
+ __set_errno (ERANGE);
}
if(hy<0x00100000) {
double u = x*x; /* underflow */
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
INSERT_WORDS(x,hx,lx);
return x;