summaryrefslogtreecommitdiff
path: root/sysdeps/alpha/copysign.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/alpha/copysign.c')
-rw-r--r--sysdeps/alpha/copysign.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/alpha/copysign.c b/sysdeps/alpha/copysign.c
new file mode 100644
index 0000000000..69544b01fb
--- /dev/null
+++ b/sysdeps/alpha/copysign.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1992, 1993, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#define __NO_MATH_INLINES
+
+#include <math.h>
+
+/* Return X with its sign changed to Y's. */
+__inline double
+__copysign (double __x, double __y)
+{
+ __asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x));
+ return __x;
+}
+
+weak_alias (__copysign, copysign)