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Diffstat (limited to 'sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c')
-rw-r--r--sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
index dbcf840f2c..07e9375b78 100644
--- a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
+++ b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
@@ -20,6 +20,7 @@
* Special cases:
*/
+#include <errno.h>
#include <math.h>
#include <math_private.h>
#include <math_ldbl_opt.h>
@@ -64,10 +65,12 @@ float __nldbl_nexttowardf(float x, double y)
if(hy>=0x7f800000) {
float u = x+x; /* overflow */
math_force_eval (u);
+ __set_errno (ERANGE);
}
if(hy<0x00800000) {
float u = x*x; /* underflow */
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
SET_FLOAT_WORD(x,hx);
return x;