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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
index 36a5090..515aa1e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
@@ -24,6 +24,7 @@ static char rcsid[] = "$NetBSD: $";
* Special cases:
*/
+#include <errno.h>
#include <float.h>
#include <math.h>
#include <math_private.h>
@@ -69,6 +70,7 @@ long double __nextafterl(long double x, long double y)
if((hx==0xffefffffffffffffLL)&&(lx==0xfc8ffffffffffffeLL)) {
u = x+x; /* overflow, return -inf */
math_force_eval (u);
+ __set_errno (ERANGE);
return y;
}
if (hx >= 0x7ff0000000000000LL) {
@@ -83,6 +85,7 @@ long double __nextafterl(long double x, long double y)
|| (hx < 0 && lx > 1)) {
u = u * u;
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
return x;
}
@@ -108,6 +111,7 @@ long double __nextafterl(long double x, long double y)
if((hx==0x7fefffffffffffffLL)&&(lx==0x7c8ffffffffffffeLL)) {
u = x+x; /* overflow, return +inf */
math_force_eval (u);
+ __set_errno (ERANGE);
return y;
}
if ((uint64_t) hx >= 0xfff0000000000000ULL) {
@@ -122,6 +126,7 @@ long double __nextafterl(long double x, long double y)
|| (hx < 0 && lx >= 0)) {
u = u * u;
math_force_eval (u); /* raise underflow flag */
+ __set_errno (ERANGE);
}
if (x == 0.0L) /* handle negative LDBL_TRUE_MIN case */
x = -0.0L;