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Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_copysignl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/s_copysignl.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_copysignl.c b/sysdeps/ieee754/ldbl-128/s_copysignl.c
new file mode 100644
index 0000000000..cece4f2496
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/s_copysignl.c
@@ -0,0 +1,43 @@
+/* s_copysignl.c -- long double 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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * copysignl(long double x, long double y)
+ * copysignl(x,y) returns a value with the magnitude of x and
+ * with the sign bit of y.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __copysignl(long double x, long double y)
+#else
+	long double __copysignl(x,y)
+	long double x,y;
+#endif
+{
+	u_int64_t hx,hy;
+	GET_LDOUBLE_MSW64(hx,x);
+	GET_LDOUBLE_MSW64(hy,y);
+	SET_LDOUBLE_MSW64(x,(hx&0x7fffffffffffffffULL)
+			    |(hy&0x8000000000000000ULL));
+        return x;
+}
+weak_alias (__copysignl, copysignl)