Update libm from upstream.
Bug: N/A
Test: ran tests
Change-Id: Ifa03eb36d412a2776208cd2921936be4724e5547
diff --git a/libm/upstream-freebsd/lib/msun/src/s_scalbn.c b/libm/upstream-freebsd/lib/msun/src/s_scalbn.c
index e7efaab..52b0d27 100644
--- a/libm/upstream-freebsd/lib/msun/src/s_scalbn.c
+++ b/libm/upstream-freebsd/lib/msun/src/s_scalbn.c
@@ -10,9 +10,8 @@
* ====================================================
*/
-#ifndef lint
-static char rcsid[] = "$FreeBSD$";
-#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: head/lib/msun/src/s_scalbn.c 306409 2016-09-28 14:48:34Z emaste $");
/*
* scalbn (double x, int n)
@@ -21,7 +20,6 @@
* exponentiation or a multiplication.
*/
-#include <sys/cdefs.h>
#include <float.h>
#include "math.h"
@@ -51,10 +49,12 @@
if (k > 0x7fe) return huge*copysign(huge,x); /* overflow */
if (k > 0) /* normal result */
{SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20)); return x;}
- if (k <= -54)
+ if (k <= -54) {
if (n > 50000) /* in case integer overflow in n+k */
return huge*copysign(huge,x); /*overflow*/
- else return tiny*copysign(tiny,x); /*underflow*/
+ else
+ return tiny*copysign(tiny,x); /*underflow*/
+ }
k += 54; /* subnormal result */
SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20));
return x*twom54;