|
|
|
|
@ -1,551 +0,0 @@
@@ -1,551 +0,0 @@
|
|
|
|
|
#ifndef _MATH_H_ |
|
|
|
|
|
|
|
|
|
#define _MATH_H_ |
|
|
|
|
|
|
|
|
|
#include <machine/ieeefp.h> |
|
|
|
|
#include "_ansi.h" |
|
|
|
|
|
|
|
|
|
_BEGIN_STD_C |
|
|
|
|
|
|
|
|
|
/* Natural log of 2 */ |
|
|
|
|
#define _M_LN2 0.693147180559945309417 |
|
|
|
|
|
|
|
|
|
#if defined(__GNUC__) && \ |
|
|
|
|
( (__GNUC__ >= 4) || \
|
|
|
|
|
( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 3) ) ) |
|
|
|
|
|
|
|
|
|
/* gcc >= 3.3 implicitly defines builtins for HUGE_VALx values. */ |
|
|
|
|
|
|
|
|
|
# ifndef HUGE_VAL |
|
|
|
|
# define HUGE_VAL (__builtin_huge_val()) |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
# ifndef HUGE_VALF |
|
|
|
|
# define HUGE_VALF (__builtin_huge_valf()) |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
# ifndef HUGE_VALL |
|
|
|
|
# define HUGE_VALL (__builtin_huge_vall()) |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
# ifndef INFINITY |
|
|
|
|
# define INFINITY (__builtin_inff()) |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
# ifndef NAN |
|
|
|
|
# define NAN (__builtin_nanf("")) |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
#else /* !gcc >= 3.3 */ |
|
|
|
|
|
|
|
|
|
/* No builtins. Use fixed defines instead. (All 3 HUGE plus the INFINITY
|
|
|
|
|
* * and NAN macros are required to be constant expressions. Using a variable-- |
|
|
|
|
* * even a static const--does not meet this requirement, as it cannot be |
|
|
|
|
* * evaluated at translation time.) |
|
|
|
|
* * The infinities are done using numbers that are far in excess of |
|
|
|
|
* * something that would be expected to be encountered in a floating-point |
|
|
|
|
* * implementation. (A more certain way uses values from float.h, but that is |
|
|
|
|
* * avoided because system includes are not supposed to include each other.) |
|
|
|
|
* * This method might produce warnings from some compilers. (It does in |
|
|
|
|
* * newer GCCs, but not for ones that would hit this #else.) If this happens, |
|
|
|
|
* * please report details to the Newlib mailing list. */ |
|
|
|
|
|
|
|
|
|
#ifndef HUGE_VAL |
|
|
|
|
#define HUGE_VAL (1.0e999999999) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifndef HUGE_VALF |
|
|
|
|
#define HUGE_VALF (1.0e999999999F) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if !defined(HUGE_VALL) && defined(_HAVE_LONG_DOUBLE) |
|
|
|
|
#define HUGE_VALL (1.0e999999999L) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if !defined(INFINITY) |
|
|
|
|
#define INFINITY (HUGE_VALF) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if !defined(NAN) |
|
|
|
|
#if defined(__GNUC__) && defined(__cplusplus) |
|
|
|
|
/* Exception: older g++ versions warn about the divide by 0 used in the
|
|
|
|
|
* * normal case (even though older gccs do not). This trick suppresses the |
|
|
|
|
* * warning, but causes errors for plain gcc, so is only used in the one |
|
|
|
|
* * special case. */ |
|
|
|
|
static const union { __ULong __i[1]; float __d; } __Nanf = {0x7FC00000}; |
|
|
|
|
#define NAN (__Nanf.__d) |
|
|
|
|
#else |
|
|
|
|
#define NAN (0.0F/0.0F) |
|
|
|
|
#endif |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#endif /* !gcc >= 3.3 */ |
|
|
|
|
|
|
|
|
|
/* Reentrant ANSI C functions. */ |
|
|
|
|
|
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern double atan (double); |
|
|
|
|
extern double cos (double); |
|
|
|
|
extern double sin (double); |
|
|
|
|
extern double tan (double); |
|
|
|
|
extern double tanh (double); |
|
|
|
|
extern double frexp (double, int *); |
|
|
|
|
extern double modf (double, double *); |
|
|
|
|
extern double ceil (double); |
|
|
|
|
extern double fabs (double); |
|
|
|
|
extern double floor (double); |
|
|
|
|
#endif /* ! defined (__math_68881) */ |
|
|
|
|
|
|
|
|
|
/* Non reentrant ANSI C functions. */ |
|
|
|
|
|
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern double acos (double); |
|
|
|
|
extern double asin (double); |
|
|
|
|
extern double atan2 (double, double); |
|
|
|
|
extern double cosh (double); |
|
|
|
|
extern double sinh (double); |
|
|
|
|
extern double exp (double); |
|
|
|
|
extern double ldexp (double, int); |
|
|
|
|
extern double log (double); |
|
|
|
|
extern double log10 (double); |
|
|
|
|
extern double pow (double, double); |
|
|
|
|
extern double sqrt (double); |
|
|
|
|
extern double fmod (double, double); |
|
|
|
|
#endif /* ! defined (__math_68881) */ |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
|
|
|
|
|
#if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L |
|
|
|
|
|
|
|
|
|
/* ISO C99 types and macros. */ |
|
|
|
|
|
|
|
|
|
#ifndef FLT_EVAL_METHOD |
|
|
|
|
#define FLT_EVAL_METHOD 0 |
|
|
|
|
typedef float float_t; |
|
|
|
|
typedef double double_t; |
|
|
|
|
#endif /* FLT_EVAL_METHOD */ |
|
|
|
|
|
|
|
|
|
#define FP_NAN 0 |
|
|
|
|
#define FP_INFINITE 1 |
|
|
|
|
#define FP_ZERO 2 |
|
|
|
|
#define FP_SUBNORMAL 3 |
|
|
|
|
#define FP_NORMAL 4 |
|
|
|
|
|
|
|
|
|
#ifndef FP_ILOGB0 |
|
|
|
|
# define FP_ILOGB0 (-INT_MAX) |
|
|
|
|
#endif |
|
|
|
|
#ifndef FP_ILOGBNAN |
|
|
|
|
# define FP_ILOGBNAN INT_MAX |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifndef MATH_ERRNO |
|
|
|
|
# define MATH_ERRNO 1 |
|
|
|
|
#endif |
|
|
|
|
#ifndef MATH_ERREXCEPT |
|
|
|
|
# define MATH_ERREXCEPT 2 |
|
|
|
|
#endif |
|
|
|
|
#ifndef math_errhandling |
|
|
|
|
# define math_errhandling MATH_ERRNO |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
extern int __isinff (float x); |
|
|
|
|
extern int __isinfd (double x); |
|
|
|
|
extern int __isnanf (float x); |
|
|
|
|
extern int __isnand (double x); |
|
|
|
|
extern int __fpclassifyf (float x); |
|
|
|
|
extern int __fpclassifyd (double x); |
|
|
|
|
extern int __signbitf (float x); |
|
|
|
|
extern int __signbitd (double x); |
|
|
|
|
|
|
|
|
|
#define fpclassify(__x) \ |
|
|
|
|
((sizeof(__x) == sizeof(float)) ? __fpclassifyf(__x) : \
|
|
|
|
|
__fpclassifyd(__x)) |
|
|
|
|
|
|
|
|
|
#ifndef isfinite |
|
|
|
|
#define isfinite(__y) \ |
|
|
|
|
(__extension__ ({int __cy = fpclassify(__y); \
|
|
|
|
|
__cy != FP_INFINITE && __cy != FP_NAN;})) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Note: isinf and isnan were once functions in newlib that took double
|
|
|
|
|
* * arguments. C99 specifies that these names are reserved for macros |
|
|
|
|
* * supporting multiple floating point types. Thus, they are |
|
|
|
|
* * now defined as macros. Implementations of the old functions |
|
|
|
|
* * taking double arguments still exist for compatibility purposes |
|
|
|
|
* * (prototypes for them are in <ieeefp.h>). */ |
|
|
|
|
#ifndef isinf |
|
|
|
|
#define isinf(y) (fpclassify(y) == FP_INFINITE) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#ifndef isnan |
|
|
|
|
#define isnan(y) (fpclassify(y) == FP_NAN) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#define isnormal(y) (fpclassify(y) == FP_NORMAL) |
|
|
|
|
#define signbit(__x) \ |
|
|
|
|
((sizeof(__x) == sizeof(float)) ? __signbitf(__x) : \
|
|
|
|
|
__signbitd(__x)) |
|
|
|
|
|
|
|
|
|
#define isgreater(x,y) \ |
|
|
|
|
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
|
|
|
|
|
!isunordered(__x,__y) && (__x > __y);})) |
|
|
|
|
#define isgreaterequal(x,y) \ |
|
|
|
|
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
|
|
|
|
|
!isunordered(__x,__y) && (__x >= __y);})) |
|
|
|
|
#define isless(x,y) \ |
|
|
|
|
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
|
|
|
|
|
!isunordered(__x,__y) && (__x < __y);})) |
|
|
|
|
#define islessequal(x,y) \ |
|
|
|
|
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
|
|
|
|
|
!isunordered(__x,__y) && (__x <= __y);})) |
|
|
|
|
#define islessgreater(x,y) \ |
|
|
|
|
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
|
|
|
|
|
!isunordered(__x,__y) && (__x < __y || __x > __y);})) |
|
|
|
|
|
|
|
|
|
#define isunordered(a,b) \ |
|
|
|
|
(__extension__ ({__typeof__(a) __a = (a); __typeof__(b) __b = (b); \
|
|
|
|
|
fpclassify(__a) == FP_NAN || fpclassify(__b) == FP_NAN;})) |
|
|
|
|
|
|
|
|
|
/* Non ANSI double precision functions. */ |
|
|
|
|
|
|
|
|
|
extern double infinity (void); |
|
|
|
|
extern double nan (const char *); |
|
|
|
|
extern int finite (double); |
|
|
|
|
extern double copysign (double, double); |
|
|
|
|
extern double logb (double); |
|
|
|
|
extern int ilogb (double); |
|
|
|
|
|
|
|
|
|
extern double asinh (double); |
|
|
|
|
extern double cbrt (double); |
|
|
|
|
extern double nextafter (double, double); |
|
|
|
|
extern double rint (double); |
|
|
|
|
extern double scalbn (double, int); |
|
|
|
|
|
|
|
|
|
extern double exp2 (double); |
|
|
|
|
extern double scalbln (double, long int); |
|
|
|
|
extern double tgamma (double); |
|
|
|
|
extern double nearbyint (double); |
|
|
|
|
extern long int lrint (double); |
|
|
|
|
extern long long int llrint (double); |
|
|
|
|
extern double round (double); |
|
|
|
|
extern long int lround (double); |
|
|
|
|
extern long long int llround (double); |
|
|
|
|
extern double trunc (double); |
|
|
|
|
extern double remquo (double, double, int *); |
|
|
|
|
extern double fdim (double, double); |
|
|
|
|
extern double fmax (double, double); |
|
|
|
|
extern double fmin (double, double); |
|
|
|
|
extern double fma (double, double, double); |
|
|
|
|
|
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern double log1p (double); |
|
|
|
|
extern double expm1 (double); |
|
|
|
|
#endif /* ! defined (__math_68881) */ |
|
|
|
|
|
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
extern double acosh (double); |
|
|
|
|
extern double atanh (double); |
|
|
|
|
extern double remainder (double, double); |
|
|
|
|
extern double gamma (double); |
|
|
|
|
extern double lgamma (double); |
|
|
|
|
extern double erf (double); |
|
|
|
|
extern double erfc (double); |
|
|
|
|
extern double log2 (double); |
|
|
|
|
|
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern double hypot (double, double); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
|
|
|
|
|
/* Single precision versions of ANSI functions. */ |
|
|
|
|
|
|
|
|
|
extern float atanf (float); |
|
|
|
|
extern float cosf (float); |
|
|
|
|
extern float sinf (float); |
|
|
|
|
extern float tanf (float); |
|
|
|
|
extern float tanhf (float); |
|
|
|
|
extern float frexpf (float, int *); |
|
|
|
|
extern float modff (float, float *); |
|
|
|
|
extern float ceilf (float); |
|
|
|
|
extern float fabsf (float); |
|
|
|
|
extern float floorf (float); |
|
|
|
|
|
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
extern float acosf (float); |
|
|
|
|
extern float asinf (float); |
|
|
|
|
extern float atan2f (float, float); |
|
|
|
|
extern float coshf (float); |
|
|
|
|
extern float sinhf (float); |
|
|
|
|
extern float expf (float); |
|
|
|
|
extern float ldexpf (float, int); |
|
|
|
|
extern float logf (float); |
|
|
|
|
extern float log10f (float); |
|
|
|
|
extern float powf (float, float); |
|
|
|
|
extern float sqrtf (float); |
|
|
|
|
extern float fmodf (float, float); |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
|
|
|
|
|
/* Other single precision functions. */ |
|
|
|
|
|
|
|
|
|
extern float exp2f (float); |
|
|
|
|
extern float scalblnf (float, long int); |
|
|
|
|
extern float tgammaf (float); |
|
|
|
|
extern float nearbyintf (float); |
|
|
|
|
extern long int lrintf (float); |
|
|
|
|
extern long long llrintf (float); |
|
|
|
|
extern float roundf (float); |
|
|
|
|
extern long int lroundf (float); |
|
|
|
|
extern long long int llroundf (float); |
|
|
|
|
extern float truncf (float); |
|
|
|
|
extern float remquof (float, float, int *); |
|
|
|
|
extern float fdimf (float, float); |
|
|
|
|
extern float fmaxf (float, float); |
|
|
|
|
extern float fminf (float, float); |
|
|
|
|
extern float fmaf (float, float, float); |
|
|
|
|
|
|
|
|
|
extern float infinityf (void); |
|
|
|
|
extern float nanf (const char *); |
|
|
|
|
extern int finitef (float); |
|
|
|
|
extern float copysignf (float, float); |
|
|
|
|
extern float logbf (float); |
|
|
|
|
extern int ilogbf (float); |
|
|
|
|
|
|
|
|
|
extern float asinhf (float); |
|
|
|
|
extern float cbrtf (float); |
|
|
|
|
extern float nextafterf (float, float); |
|
|
|
|
extern float rintf (float); |
|
|
|
|
extern float scalbnf (float, int); |
|
|
|
|
extern float log1pf (float); |
|
|
|
|
extern float expm1f (float); |
|
|
|
|
|
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
extern float acoshf (float); |
|
|
|
|
extern float atanhf (float); |
|
|
|
|
extern float remainderf (float, float); |
|
|
|
|
extern float gammaf (float); |
|
|
|
|
extern float lgammaf (float); |
|
|
|
|
extern float erff (float); |
|
|
|
|
extern float erfcf (float); |
|
|
|
|
extern float log2f (float); |
|
|
|
|
extern float hypotf (float, float); |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
|
|
|
|
|
/* On platforms where long double equals double. */ |
|
|
|
|
#ifdef _LDBL_EQ_DBL |
|
|
|
|
/* Reentrant ANSI C functions. */ |
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern long double atanl (long double); |
|
|
|
|
extern long double cosl (long double); |
|
|
|
|
extern long double sinl (long double); |
|
|
|
|
extern long double tanl (long double); |
|
|
|
|
extern long double tanhl (long double); |
|
|
|
|
extern long double frexpl (long double value, int *); |
|
|
|
|
extern long double modfl (long double, long double *); |
|
|
|
|
extern long double ceill (long double); |
|
|
|
|
extern long double fabsl (long double); |
|
|
|
|
extern long double floorl (long double); |
|
|
|
|
extern long double log1pl (long double); |
|
|
|
|
extern long double expm1l (long double); |
|
|
|
|
#endif /* ! defined (__math_68881) */ |
|
|
|
|
/* Non reentrant ANSI C functions. */ |
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
#ifndef __math_68881 |
|
|
|
|
extern long double acosl (long double); |
|
|
|
|
extern long double asinl (long double); |
|
|
|
|
extern long double atan2l (long double, long double); |
|
|
|
|
extern long double coshl (long double); |
|
|
|
|
extern long double sinhl (long double); |
|
|
|
|
extern long double expl (long double); |
|
|
|
|
extern long double ldexpl (long double, int); |
|
|
|
|
extern long double logl (long double); |
|
|
|
|
extern long double log2l (long double); |
|
|
|
|
extern long double log10l (long double); |
|
|
|
|
extern long double powl (long double, long double); |
|
|
|
|
extern long double sqrtl (long double); |
|
|
|
|
extern long double fmodl (long double, long double); |
|
|
|
|
extern long double hypotl (long double, long double); |
|
|
|
|
#endif /* ! defined (__math_68881) */ |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
extern long double copysignl (long double, long double); |
|
|
|
|
extern long double nanl (const char *); |
|
|
|
|
extern int ilogbl (long double); |
|
|
|
|
extern long double asinhl (long double); |
|
|
|
|
extern long double cbrtl (long double); |
|
|
|
|
extern long double nextafterl (long double, long double); |
|
|
|
|
extern long double rintl (long double); |
|
|
|
|
extern long double scalbnl (long double, int); |
|
|
|
|
extern long double exp2l (long double); |
|
|
|
|
extern long double scalblnl (long double, long); |
|
|
|
|
extern long double tgammal (long double); |
|
|
|
|
extern long double nearbyintl (long double); |
|
|
|
|
extern long int lrintl (long double); |
|
|
|
|
extern long long int llrintl (long double); |
|
|
|
|
extern long double roundl (long double); |
|
|
|
|
extern long lroundl (long double); |
|
|
|
|
extern long long int llroundl (long double); |
|
|
|
|
extern long double truncl (long double); |
|
|
|
|
extern long double remquol (long double, long double, int *); |
|
|
|
|
extern long double fdiml (long double, long double); |
|
|
|
|
extern long double fmaxl (long double, long double); |
|
|
|
|
extern long double fminl (long double, long double); |
|
|
|
|
extern long double fmal (long double, long double, long double); |
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
extern long double acoshl (long double); |
|
|
|
|
extern long double atanhl (long double); |
|
|
|
|
extern long double remainderl (long double, long double); |
|
|
|
|
extern long double lgammal (long double); |
|
|
|
|
extern long double erfl (long double); |
|
|
|
|
extern long double erfcl (long double); |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
#else /* !_LDBL_EQ_DBL */ |
|
|
|
|
#ifdef __i386__ |
|
|
|
|
/* Other long double precision functions. */ |
|
|
|
|
extern _LONG_DOUBLE rintl (_LONG_DOUBLE); |
|
|
|
|
extern long int lrintl (_LONG_DOUBLE); |
|
|
|
|
extern long long llrintl (_LONG_DOUBLE); |
|
|
|
|
#endif /* __i386__ */ |
|
|
|
|
#endif /* !_LDBL_EQ_DBL */ |
|
|
|
|
|
|
|
|
|
#endif /* !defined (__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L */ |
|
|
|
|
|
|
|
|
|
#if !defined (__STRICT_ANSI__) || defined(__cplusplus) |
|
|
|
|
|
|
|
|
|
extern double drem (double, double); |
|
|
|
|
extern void sincos (double, double *, double *); |
|
|
|
|
extern double gamma_r (double, int *); |
|
|
|
|
extern double lgamma_r (double, int *); |
|
|
|
|
|
|
|
|
|
extern double y0 (double); |
|
|
|
|
extern double y1 (double); |
|
|
|
|
extern double yn (int, double); |
|
|
|
|
extern double j0 (double); |
|
|
|
|
extern double j1 (double); |
|
|
|
|
extern double jn (int, double); |
|
|
|
|
|
|
|
|
|
extern float dremf (float, float); |
|
|
|
|
extern void sincosf (float, float *, float *); |
|
|
|
|
extern float gammaf_r (float, int *); |
|
|
|
|
extern float lgammaf_r (float, int *); |
|
|
|
|
|
|
|
|
|
extern float y0f (float); |
|
|
|
|
extern float y1f (float); |
|
|
|
|
extern float ynf (int, float); |
|
|
|
|
extern float j0f (float); |
|
|
|
|
extern float j1f (float); |
|
|
|
|
extern float jnf (int, float); |
|
|
|
|
|
|
|
|
|
/* GNU extensions */ |
|
|
|
|
# ifndef exp10 |
|
|
|
|
extern double exp10 (double); |
|
|
|
|
# endif |
|
|
|
|
# ifndef pow10 |
|
|
|
|
extern double pow10 (double); |
|
|
|
|
# endif |
|
|
|
|
# ifndef exp10f |
|
|
|
|
extern float exp10f (float); |
|
|
|
|
# endif |
|
|
|
|
# ifndef pow10f |
|
|
|
|
extern float pow10f (float); |
|
|
|
|
# endif |
|
|
|
|
|
|
|
|
|
#endif /* !defined (__STRICT_ANSI__) || defined(__cplusplus) */ |
|
|
|
|
|
|
|
|
|
#ifndef __STRICT_ANSI__ |
|
|
|
|
|
|
|
|
|
/* The gamma functions use a global variable, signgam. */ |
|
|
|
|
#ifndef _REENT_ONLY |
|
|
|
|
#define signgam (*__signgam()) |
|
|
|
|
extern int *__signgam (void); |
|
|
|
|
#endif /* ! defined (_REENT_ONLY) */ |
|
|
|
|
|
|
|
|
|
#define __signgam_r(ptr) _REENT_SIGNGAM(ptr) |
|
|
|
|
|
|
|
|
|
/* The exception structure passed to the matherr routine. */ |
|
|
|
|
/* We have a problem when using C++ since `exception' is a reserved
|
|
|
|
|
* name in C++. */ |
|
|
|
|
#ifdef __cplusplus |
|
|
|
|
struct __exception |
|
|
|
|
#else |
|
|
|
|
struct exception |
|
|
|
|
#endif |
|
|
|
|
{ |
|
|
|
|
int type; |
|
|
|
|
char *name; |
|
|
|
|
double arg1; |
|
|
|
|
double arg2; |
|
|
|
|
double retval; |
|
|
|
|
int err; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus |
|
|
|
|
extern int matherr (struct __exception *e); |
|
|
|
|
#else |
|
|
|
|
extern int matherr (struct exception *e); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Values for the type field of struct exception. */ |
|
|
|
|
|
|
|
|
|
#define DOMAIN 1 |
|
|
|
|
#define SING 2 |
|
|
|
|
#define OVERFLOW 3 |
|
|
|
|
#define UNDERFLOW 4 |
|
|
|
|
#define TLOSS 5 |
|
|
|
|
#define PLOSS 6 |
|
|
|
|
|
|
|
|
|
/* Useful constants. */ |
|
|
|
|
|
|
|
|
|
#define MAXFLOAT 3.40282347e+38F |
|
|
|
|
|
|
|
|
|
#define M_E 2.7182818284590452354 |
|
|
|
|
#define M_LOG2E 1.4426950408889634074 |
|
|
|
|
#define M_LOG10E 0.43429448190325182765 |
|
|
|
|
#define M_LN2 _M_LN2 |
|
|
|
|
#define M_LN10 2.30258509299404568402 |
|
|
|
|
#define M_PI 3.14159265358979323846 |
|
|
|
|
#define M_PI_2 1.57079632679489661923 |
|
|
|
|
#define M_PI_4 0.78539816339744830962 |
|
|
|
|
#define M_1_PI 0.31830988618379067154 |
|
|
|
|
#define M_2_PI 0.63661977236758134308 |
|
|
|
|
#define M_2_SQRTPI 1.12837916709551257390 |
|
|
|
|
#define M_SQRT2 1.41421356237309504880 |
|
|
|
|
#define M_SQRT1_2 0.70710678118654752440 |
|
|
|
|
#define M_TWOPI (M_PI * 2.0) |
|
|
|
|
#define M_3PI_4 2.3561944901923448370E0 |
|
|
|
|
#define M_SQRTPI 1.77245385090551602792981 |
|
|
|
|
#define M_LN2LO 1.9082149292705877000E-10 |
|
|
|
|
#define M_LN2HI 6.9314718036912381649E-1 |
|
|
|
|
#define M_SQRT3 1.73205080756887719000 |
|
|
|
|
#define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */ |
|
|
|
|
#define M_LOG2_E _M_LN2 |
|
|
|
|
#define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */ |
|
|
|
|
|
|
|
|
|
/* Global control over fdlibm error handling. */ |
|
|
|
|
|
|
|
|
|
enum __fdlibm_version |
|
|
|
|
{ |
|
|
|
|
__fdlibm_ieee = -1, |
|
|
|
|
__fdlibm_svid, |
|
|
|
|
__fdlibm_xopen, |
|
|
|
|
__fdlibm_posix |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
#define _LIB_VERSION_TYPE enum __fdlibm_version |
|
|
|
|
#define _LIB_VERSION __fdlib_version |
|
|
|
|
|
|
|
|
|
extern __IMPORT _LIB_VERSION_TYPE _LIB_VERSION; |
|
|
|
|
|
|
|
|
|
#define _IEEE_ __fdlibm_ieee |
|
|
|
|
#define _SVID_ __fdlibm_svid |
|
|
|
|
#define _XOPEN_ __fdlibm_xopen |
|
|
|
|
#define _POSIX_ __fdlibm_posix |
|
|
|
|
|
|
|
|
|
#endif /* ! defined (__STRICT_ANSI__) */ |
|
|
|
|
|
|
|
|
|
_END_STD_C |
|
|
|
|
|
|
|
|
|
#ifdef __FAST_MATH__ |
|
|
|
|
#include <machine/fastmath.h> |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#endif /* _MATH_H_ */ |
Daniel Agar
5 years ago
committed by
Lorenz Meier