1 files changed, 89 insertions, 0 deletions
diff --git a/sysdeps/powerpc/__math.h b/sysdeps/powerpc/__math.h
new file mode 100644
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+++ b/sysdeps/powerpc/__math.h
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+/* Inline math functions for powerpc.
+   Copyright (C) 1995, 1996, 1997 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __MATH_H
+#define __MATH_H
+
+#ifdef __GNUC__
+#ifndef __NO_MATH_INLINES
+
+#ifdef __cplusplus
+#define        __MATH_INLINE __inline
+#else
+#define        __MATH_INLINE extern __inline
+#endif
+
+__MATH_INLINE double __sgn1 (double __x);
+__MATH_INLINE double
+__sgn1 (double __x)
+{
+  return __x >= 0.0 ? 1.0 : -1.0;
+}
+
+/* We'd want to use this if it was implemented in hardware, but
+   how can we tell? */
+#if 0
+__MATH_INLINE double sqrt (double __x);
+__MATH_INLINE double
+sqrt (double __x)
+{
+  register double __value;
+  __asm
+    ("fsqrt %0,%1"
+     : "=f" (__value) : "f" (__x));
+
+  return __value;
+}
+#endif
+
+__MATH_INLINE double fabs (double __x);
+__MATH_INLINE double
+fabs (double __x)
+{
+  register double __value;
+  __asm
+    ("fabs %0,%1"
+     : "=f" (__value) : "f" (__x));
+
+  return __value;
+}
+
+/* Optimized versions for some non-standardized functions.  */
+#ifdef __USE_MISC
+
+__MATH_INLINE double hypot (double __x, double __y);
+__MATH_INLINE double
+hypot (double __x, double __y)
+{
+  return sqrt (__x * __x + __y * __y);
+}
+
+__MATH_INLINE double __sgn (double __x);
+__MATH_INLINE double
+sgn (double __x)
+{
+  return (__x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0));
+}
+
+#endif /* __USE_MISC  */
+
+#endif /* __NO_MATH_INLINES  */
+#endif /* __GNUC__  */
+
+#endif /* __MATH_H  */