summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authornsz <nsz@port70.net>2012-03-19 19:14:32 +0100
committernsz <nsz@port70.net>2012-03-19 19:14:32 +0100
commitc3587effe27a3ac8c1406f064b7705963be9887a (patch)
tree18b297ebc221d92e2f345b36ec3a3470e2ea24f6
parenteca1c35e5be967478c8fe9381c6f4652b6645d5e (diff)
downloadmusl-c3587effe27a3ac8c1406f064b7705963be9887a.tar.gz
minor fix in __tanl (get sign properly)
-rw-r--r--src/math/__tanl.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/math/__tanl.c b/src/math/__tanl.c
index e39e9df4..50ba2140 100644
--- a/src/math/__tanl.c
+++ b/src/math/__tanl.c
@@ -51,8 +51,7 @@ long double __tanl(long double x, long double y, int iy) {
int i;
iy = iy == 1 ? -1 : 1; /* XXX recover original interface */
- // FIXME: this is wrong, use copysign, signbit or union bithack
- osign = x >= 0 ? 1.0 : -1.0; /* XXX slow, probably wrong for -0 */
+ osign = copysignl(1.0, x);
if (fabsl(x) >= 0.67434) {
if (x < 0) {
x = -x;