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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libquadmath/math/copysignq.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libquadmath/math/copysignq.c')
-rw-r--r--gcc-4.9/libquadmath/math/copysignq.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/libquadmath/math/copysignq.c b/gcc-4.9/libquadmath/math/copysignq.c
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+/* copysignq.c -- __float128 version of s_copysign.c.
+ * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#include "quadmath-imp.h"
+
+__float128
+copysignq (__float128 x, __float128 y)
+{
+ uint64_t hx,hy;
+ GET_FLT128_MSW64(hx,x);
+ GET_FLT128_MSW64(hy,y);
+ SET_FLT128_MSW64(x,(hx&0x7fffffffffffffffULL)|(hy&0x8000000000000000ULL));
+ return x;
+}