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- #include <features.h>
- #ifndef _MATH_H
- # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
- #endif
- #ifdef __cplusplus
- # define __MATH_INLINE __inline
- #else
- # define __MATH_INLINE __extern_inline
- #endif
- #if defined __GNUC__ && !defined _SOFT_FLOAT
- #ifdef __USE_ISOC99
- # if !__GNUC_PREREQ (2,97)
- # 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; }))
- # undef isgreater
- # undef isgreaterequal
- # undef isless
- # undef islessequal
- # undef islessgreater
- # undef isunordered
- # 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
- #endif
- #if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
- #ifdef __USE_ISOC99
- __MATH_INLINE long int lrint (double __x) __THROW;
- __MATH_INLINE long int
- __NTH (lrint (double __x))
- {
- union {
- double __d;
- int __ll[2];
- } __u;
- __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
- return __u.__ll[1];
- }
- __MATH_INLINE long int lrintf (float __x) __THROW;
- __MATH_INLINE long int
- __NTH (lrintf (float __x))
- {
- union {
- double __d;
- 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) __THROW;
- __MATH_INLINE double
- __NTH (fdim (double __x, double __y))
- {
- return __x <= __y ? 0 : __x - __y;
- }
- __MATH_INLINE float fdimf (float __x, float __y) __THROW;
- __MATH_INLINE float
- __NTH (fdimf (float __x, float __y))
- {
- return __x <= __y ? 0 : __x - __y;
- }
- #endif
- #endif
- #endif
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