#ifndef __MATH_H #define __MATH_H 1 #include #include typedef float float_t; typedef double double_t; #define FLT_EVAL_METHOD 2 /* constants */ #define M_E 2.7182818284590452354 /* e */ #define M_LOG2E 1.4426950408889634074 /* log 2e */ #define M_LOG10E 0.43429448190325182765 /* log 10e */ #define M_LN2 0.69314718055994530942 /* log e2 */ #define M_LN10 2.30258509299404568402 /* log e10 */ #define M_PI 3.14159265358979323846 /* pi */ #define M_PI_2 1.57079632679489661923 /* pi/2 */ #define M_PI_4 0.78539816339744830962 /* pi/4 */ #define M_1_PI 0.31830988618379067154 /* 1/pi */ #define M_2_PI 0.63661977236758134308 /* 2/pi */ #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ #define MAXFLOAT FLT_MAX extern const char __pInf_d[]; extern const char __pInf_s[]; extern const char __qNaN_s[]; #define INFINITY (*(const float *)(const void *)__pInf_s) #define NAN (*(const float *)(const void *)__qNaN_s) #define HUGE_VAL (*(const double *)(const void *)__pInf_d) #define HUGE_VALF INFINITY #define HUGE_VALL (long double)HUGE_VAL /* return values for fpclassify() */ #define FP_NORMAL 0 #define FP_NAN 1 #define FP_INFINITE 2 #define FP_ZERO 4 #define FP_SUBNORMAL 8 /* errors for ilogb(), ilogbf() and ilogbl() */ #define FP_ILOGB0 LONG_MIN #define FP_ILOGBNAN LONG_MIN /* general error handling method */ #define MATH_ERRNO 1 #define MATH_ERREXCEPT 2 #define math_errhandling 0 /* C99 requires but currently unsupported */ /* begin function declarations */ double acos(double); double acosh(double); double asin(double); double asinh(double); double atan(double); double atanh(double); double atan2(double, double); double ceil(double); double copysign(double, double); double cos(double); double cosh(double); double exp(double); double exp2(double); double exp10(double); double expm1(double); double fabs(double); double fdim(double, double); double floor(double); double fma(double, double, double); double fmax(double, double); double fmin(double, double); double fmod(double, double); double frexp(double, int *); double hypot(double, double); double ldexp(double, int); double log(double); double log10(double); double log1p(double); double log2(double); double logb(double); double modf(double, double *); double nan(const char *); double nearbyint(double); double pow(double, double); double remainder(double, double); double rint(double); double round(double); double scalbln(double, long); double scalbn(double, int); double sin(double); double sinh(double); double sqrt(double); double tan(double); double tanh(double); double trunc(double); float acosf(float); float acoshf(float); float asinf(float); float asinhf(float); float atanf(float); float atanhf(float); float atan2f(float, float); float ceilf(float); float copysignf(float, float); float cosf(float); float coshf(float); float expf(float); float exp2f(float); float exp10f(float); float expm1f(float); float fabsf(float); float fdimf(float, float); float floorf(float); float fmaf(float, float, float); float fmaxf(float, float); float fminf(float, float); float fmodf(float, float); float frexpf(float value, int *); float hypotf(float, float); float ldexpf(float, int); float logf(float); float log10f(float); float log1pf(float); float log2f(float); float logbf(float); float modff(float, float *); float nanf(const char *); float nearbyintf(float); float powf(float, float); float remainderf(float, float); float rintf(float); float roundf(float); float scalblnf(float, long); float scalbnf(float, int); float sinf(float); float sinhf(float); float sqrtf(float); float tanf(float); float tanhf(float); float truncf(float); long double acosl(long double); long double acoshl(long double); long double asinl(long double); long double asinhl(long double); long double atanl(long double); long double atanhl(long double); long double atan2l(long double, long double); long double ceill(long double); long double copysignl(long double, long double); long double cosl(long double); long double coshl(long double); long double expl(long double); long double exp2l(long double); long double exp10l(long double); long double expm1l(long double); long double fabsl(long double); long double fdiml(long double, long double); long double floorl(long double); long double fmal(long double, long double, long double); long double fmaxl(long double, long double); long double fminl(long double, long double); long double fmodl(long double, long double); long double frexpl(long double value, int *); long double hypotl(long double, long double); long double ldexpl(long double, int); long double logl(long double); long double log10l(long double); long double log1pl(long double); long double log2l(long double); long double logbl(long double); long double modfl(long double, long double *); long double nanl(const char *); long double nearbyintl(long double); long double powl(long double, long double); long double remainderl(long double, long double); long double rintl(long double); long double roundl(long double); long double scalblnl(long double, long); long double scalbnl(long double, int); long double sinl(long double); long double sinhl(long double); long double sqrtl(long double); long double tanl(long double); long double tanhl(long double); long double truncl(long double); int ilogb(double); int ilogbf(float); int ilogbl(long double); long lrint(double); long lrintf(float); long lrintl(long double); long lround(double); long lroundf(float); long lroundl(long double); #if __STDC_VERSION__ >= 199901L /* long long not available before c99 */ long long llround(double); long long llroundf(float); long long llroundl(long double); #endif /* end function declarations */ #if defined(__M68881) || defined(__M68882) /* direct FPU support */ #if defined(__M68060) #include #elif defined(__M68040) #include #else #include #endif #else /* IEEE or software floating-point */ /* begin macros */ int fpclassify(double); int isfinite(double); int isinf(double); int isnan(double); int isnormal(double); int signbit(double); int isgreater(double, double); int isgreaterequal(double, double); int isless(double, double); int islessequal(double, double); int islessgreater(double, double); int isunordered(double, double); /* end macros */ #endif /* non-C99 macros (used on some operating systems) */ #define fpclassifyf fpclassify #define fpclassifyl fpclassify #define isfinitef isfinite #define isfinitel isfinite #define isinff isinf #define isinfl isinf #define isnanf isnan #define isnanl isnan #define isnormalf isnormal #define isnormall isnormal #define signbitf signbit #define signbitl signbit #define isgreaterf isgreater #define isgreaterl isgreater #define isgreaterequalf isgreaterequal #define isgreaterequall isgreaterequal #define islessf isless #define islessl isless #define islessequalf islessequal #define islessequall islessequal #define islessgreaterf islessgreater #define islessgreaterl islessgreater #define isunorderedf isunordered #define isunorderedl isunordered /* remainder is the new name for drem */ #define dremf(x) remainderf(x) #define drem(x) remainder(x) #define dreml(x) remainderl(x) /* rint & lrint causes exceptions but otherwise similar to nearbyint */ #define rintf(x) nearbyintf(x) #define rint(x) nearbyint(x) #define rintl(x) nearbyintl(x) #define lrintf(x) nearbyintf(x) #define lrint(x) nearbyint(x) #define lrintl(x) nearbyintl(x) /* if (FLT_RADIX==2) */ #define scalbnf(x,y) ldexpf(x,y) #define scalbn(x,y) ldexp(x,y) #define scalbnl(x,y) ldexpl(x,y) /* if (FLT_RADIX==2 && SIZEOF(int)==4) */ #define scalblnf(x,y) ldexpf(x,y) #define scalbln(x,y) ldexp(x,y) #define scalblnl(x,y) ldexpl(x,y) /* if (SIZEOF(double long)==8)) */ #define acosl acos #define acoshl acosh #define asinl asin #define asinhl asinh #define atanl atan #define atanhl atanh #define atan2l atan2 #define ceill ceil #define copysignl copysign #define cosl cos #define coshl cosh #define expl exp #define exp2l exp2 #define exp10l exp10 #define expm1l expm1 #define fabsl fabs #define fdiml fdim #define floorl floor #define fmal fma #define fmaxl fmax #define fminl fmin #define fmodl fmod #define frexpl frexp #define hypotl hypot #define ldexpl ldexp #define logl log #define log10l log10 #define log1pl log1p #define log2l log2 #define logbl logb #define modfl modf #define nanl nan #define nearbyintl nearbyint #define powl pow #define remainderl remainder #define roundl round #define sinl sin #define sinhl sinh #define sqrtl sqrt #define tanl tan #define tanhl tanh #define truncl trunc #define ilogbl ilogb #define llroundl llround #define lroundl lround #endif /* __MATH_H */