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/* Inline math functions for powerpc.
Copyright (C) 1995, 1996, 1997, 1998 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. */
#if defined __GNUC__ && !defined _SOFT_FLOAT
#ifdef __USE_ISOC9X
# define __unordered_cmp(x, y) \
(__extension__ \
({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
unsigned __r; \
__asm__("fcmpu 7,%1,%2 ; mfcr %0" : "=r" (__r) : "f" (__x), "f"(__y) \
: "cr7"); \
__r; }))
# define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1)
# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0)
# define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1)
# define islessequal(x, y) ((__unordered_cmp (x, y) & 0xA) != 0)
# define islessgreater(x, y) ((__unordered_cmp (x, y) & 0xC) != 0)
# define isunordered(x, y) (__unordered_cmp (x, y) & 1)
#endif /* __USE_ISOC9X && !_SOFT_FLOAT */
#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
#ifdef __cplusplus
# define __MATH_INLINE __inline
#else
# define __MATH_INLINE extern __inline
#endif /* __cplusplus */
#ifdef __USE_ISOC9X
__MATH_INLINE long int lrint (double __x);
__MATH_INLINE long int
lrint (double __x)
{
union {
double __d;
long int __ll[2];
} __u;
__asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
return __u.__ll[1];
}
__MATH_INLINE long int lrintf (float __x);
__MATH_INLINE long int
lrintf (float __x)
{
union {
double __d;
long int __ll[2];
} __u;
__asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
return __u.__ll[1];
}
__MATH_INLINE double fdim (double __x, double __y);
__MATH_INLINE double
fdim (double __x, double __y)
{
return __x < __y ? 0 : __x - __y;
}
__MATH_INLINE float fdimf (float __x, float __y);
__MATH_INLINE float
fdimf (float __x, float __y)
{
return __x < __y ? 0 : __x - __y;
}
#endif /* __USE_ISOC9X */
#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
#endif /* __GNUC__ && !_SOFT_FLOAT */
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