Alpha specific math inline functions.

1 files changed, 44 insertions, 0 deletions

diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h
new file mode 100644
index 0000000000..0f76027317
--- /dev/null
+++ b/sysdeps/alpha/fpu/bits/mathinline.h
@@ -0,0 +1,44 @@
+/* Inline math functions for Alpha.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Mosberger-Tang.
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#if defined (__GNUC__) && !defined (__NO_MATH_INLINES)
+
+extern __inline double
+__copysign (double __x, double __y)
+{
+  __asm ("cpys %1, %2, %0" : "=f" (__x) : "f" (__y), "f" (__x));
+  return __x;
+}
+
+extern __inline double
+fabs (double __x)
+{
+  __asm ("cpys $f31, %1, %0" : "=f" (__x) : "f" (__x));
+  return __x;
+}
+
+extern __inline double
+atan (double __x)
+{
+  extern double __atan2 (double, double);
+  return __atan2 (__x, 1.0);
+}
+
+#endif