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- #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 __USE_ISOC99 && defined __GNUC__ && !__GNUC_PREREQ(3,0)
- # undef isgreater
- # undef isgreaterequal
- # undef isless
- # undef islessequal
- # undef islessgreater
- # undef isunordered
- # define isunordered(u, v) \
- (__extension__ \
- ({ double __r, __u = (u), __v = (v); \
- __asm__ ("cmptun/su %1,%2,%0\n\ttrapb" \
- : "=&f" (__r) : "f" (__u), "f"(__v)); \
- __r != 0; }))
- #endif
- #if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
- && defined __OPTIMIZE__
- #if !__GNUC_PREREQ (4, 0)
- # define __inline_copysign(NAME, TYPE) \
- __MATH_INLINE TYPE \
- __NTH (NAME (TYPE __x, TYPE __y)) \
- { \
- TYPE __z; \
- __asm__ ("cpys %1, %2, %0" : "=f" (__z) : "f" (__y), "f" (__x)); \
- return __z; \
- }
- __inline_copysign (__copysignf, float)
- __inline_copysign (copysignf, float)
- __inline_copysign (__copysign, double)
- __inline_copysign (copysign, double)
- # undef __inline_copysign
- #endif
- #if !__GNUC_PREREQ (2, 8)
- # define __inline_fabs(NAME, TYPE) \
- __MATH_INLINE TYPE \
- __NTH (NAME (TYPE __x)) \
- { \
- TYPE __z; \
- __asm__ ("cpys $f31, %1, %0" : "=f" (__z) : "f" (__x)); \
- return __z; \
- }
- __inline_fabs (__fabsf, float)
- __inline_fabs (fabsf, float)
- __inline_fabs (__fabs, double)
- __inline_fabs (fabs, double)
- # undef __inline_fabs
- #endif
- __MATH_INLINE float
- __NTH (__floorf (float __x))
- {
-
- if (__x != 0 && fabsf (__x) < 16777216.0f)
- {
-
- float __tmp1, __tmp2;
- __asm__ ("cvtst/s %3,%2\n\t"
- #ifdef _IEEE_FP_INEXACT
- "cvttq/svim %2,%1\n\t"
- #else
- "cvttq/svm %2,%1\n\t"
- #endif
- "cvtqt/m %1,%0\n\t"
- : "=f"(__x), "=&f"(__tmp1), "=&f"(__tmp2)
- : "f"(__x));
- }
- return __x;
- }
- __MATH_INLINE double
- __NTH (__floor (double __x))
- {
- if (__x != 0 && fabs (__x) < 9007199254740992.0)
- {
- double __tmp1;
- __asm__ (
- #ifdef _IEEE_FP_INEXACT
- "cvttq/svim %2,%1\n\t"
- #else
- "cvttq/svm %2,%1\n\t"
- #endif
- "cvtqt/m %1,%0\n\t"
- : "=f"(__x), "=&f"(__tmp1)
- : "f"(__x));
- }
- return __x;
- }
- __MATH_INLINE float __NTH (floorf (float __x)) { return __floorf(__x); }
- __MATH_INLINE double __NTH (floor (double __x)) { return __floor(__x); }
- #ifdef __USE_ISOC99
- __MATH_INLINE float
- __NTH (__fdimf (float __x, float __y))
- {
- return __x <= __y ? 0.0f : __x - __y;
- }
- __MATH_INLINE float
- __NTH (fdimf (float __x, float __y))
- {
- return __x <= __y ? 0.0f : __x - __y;
- }
- __MATH_INLINE double
- __NTH (__fdim (double __x, double __y))
- {
- return __x <= __y ? 0.0 : __x - __y;
- }
- __MATH_INLINE double
- __NTH (fdim (double __x, double __y))
- {
- return __x <= __y ? 0.0 : __x - __y;
- }
- __MATH_INLINE int
- __NTH (__signbitf (float __x))
- {
- __extension__ union { float __f; int __i; } __u = { __f: __x };
- return __u.__i < 0;
- }
- __MATH_INLINE int
- __NTH (__signbit (double __x))
- {
- __extension__ union { double __d; long __i; } __u = { __d: __x };
- return __u.__i < 0;
- }
- #endif
- #endif
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