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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
index 4000a93e69..7c5d1cc112 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
@@ -18,6 +18,7 @@
static char rcsid[] = "$NetBSD: $";
#endif
+#include <errno.h>
#include <math.h>
#include <math_private.h>
#include <math_ldbl_opt.h>
@@ -65,10 +66,12 @@ float __nexttowardf(float x, long double y)
if(hy>=0x7f800000) {
float u = x+x; /* overflow */
math_force_eval (u);
+ __set_errno (ERANGE);
}
if(hy<0x00800000) { /* underflow */
float u = x*x;
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
SET_FLOAT_WORD(x,hx);
return x;