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Diffstat (limited to 'sysdeps/powerpc/bits/mathinline.h')
-rw-r--r-- | sysdeps/powerpc/bits/mathinline.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sysdeps/powerpc/bits/mathinline.h b/sysdeps/powerpc/bits/mathinline.h new file mode 100644 index 0000000000..db9688cfc5 --- /dev/null +++ b/sysdeps/powerpc/bits/mathinline.h @@ -0,0 +1,70 @@ +/* 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; +} + +#endif /* __NO_MATH_INLINES */ +#endif /* __GNUC__ */ + +#endif /* __MATH_H */ |