From c0df8e693f34b535bd6ee1b691bc4ca6bc3b4579 Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Thu, 22 Mar 2012 12:52:50 +0000
Subject: Fix low-part sign handling in sin/cos for ldbl-128 and ldbl-128ibm.

---
 sysdeps/ieee754/ldbl-128ibm/k_sinl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sysdeps/ieee754/ldbl-128ibm/k_sinl.c')

diff --git a/sysdeps/ieee754/ldbl-128ibm/k_sinl.c b/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
index 484b65f..94aba0b 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
@@ -134,7 +134,7 @@ __kernel_sinl(long double x, long double y, int iy)
 */
       SET_LDOUBLE_WORDS64(h, ((u_int64_t)hix) << 32, 0);
       if (iy)
-	l = y - (h - x);
+	l = (ix < 0 ? -y : y) - (h - x);
       else
 	l = x - h;
       z = l * l;
-- 
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