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Diffstat (limited to 'libc-top-half/musl/include/math.h')
-rw-r--r-- | libc-top-half/musl/include/math.h | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/libc-top-half/musl/include/math.h b/libc-top-half/musl/include/math.h new file mode 100644 index 0000000..515cc66 --- /dev/null +++ b/libc-top-half/musl/include/math.h @@ -0,0 +1,459 @@ +#ifndef _MATH_H +#define _MATH_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <features.h> + +#define __NEED_float_t +#define __NEED_double_t +#include <bits/alltypes.h> + +#if 100*__GNUC__+__GNUC_MINOR__ >= 303 +#define NAN __builtin_nanf("") +#define INFINITY __builtin_inff() +#else +#define NAN (0.0f/0.0f) +#define INFINITY 1e5000f +#endif + +#define HUGE_VALF INFINITY +#define HUGE_VAL ((double)INFINITY) +#define HUGE_VALL ((long double)INFINITY) + +#define MATH_ERRNO 1 +#define MATH_ERREXCEPT 2 +#define math_errhandling 2 + +#define FP_ILOGBNAN (-1-0x7fffffff) +#define FP_ILOGB0 FP_ILOGBNAN + +#define FP_NAN 0 +#define FP_INFINITE 1 +#define FP_ZERO 2 +#define FP_SUBNORMAL 3 +#define FP_NORMAL 4 + +#ifdef __FP_FAST_FMA +#define FP_FAST_FMA 1 +#endif + +#ifdef __FP_FAST_FMAF +#define FP_FAST_FMAF 1 +#endif + +#ifdef __FP_FAST_FMAL +#define FP_FAST_FMAL 1 +#endif + +#ifdef __wasilibc_unmodified_upstream /* Use the compiler's definition of the fpclassify-like operations */ +int __fpclassify(double); +int __fpclassifyf(float); +int __fpclassifyl(long double); + +static __inline unsigned __FLOAT_BITS(float __f) +{ + union {float __f; unsigned __i;} __u; + __u.__f = __f; + return __u.__i; +} +static __inline unsigned long long __DOUBLE_BITS(double __f) +{ + union {double __f; unsigned long long __i;} __u; + __u.__f = __f; + return __u.__i; +} + +#define fpclassify(x) ( \ + sizeof(x) == sizeof(float) ? __fpclassifyf(x) : \ + sizeof(x) == sizeof(double) ? __fpclassify(x) : \ + __fpclassifyl(x) ) + +#define isinf(x) ( \ + sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) == 0x7f800000 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) == 0x7ffULL<<52 : \ + __fpclassifyl(x) == FP_INFINITE) + +#define isnan(x) ( \ + sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) > 0x7f800000 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) > 0x7ffULL<<52 : \ + __fpclassifyl(x) == FP_NAN) + +#define isnormal(x) ( \ + sizeof(x) == sizeof(float) ? ((__FLOAT_BITS(x)+0x00800000) & 0x7fffffff) >= 0x01000000 : \ + sizeof(x) == sizeof(double) ? ((__DOUBLE_BITS(x)+(1ULL<<52)) & -1ULL>>1) >= 1ULL<<53 : \ + __fpclassifyl(x) == FP_NORMAL) + +#define isfinite(x) ( \ + sizeof(x) == sizeof(float) ? (__FLOAT_BITS(x) & 0x7fffffff) < 0x7f800000 : \ + sizeof(x) == sizeof(double) ? (__DOUBLE_BITS(x) & -1ULL>>1) < 0x7ffULL<<52 : \ + __fpclassifyl(x) > FP_INFINITE) + +int __signbit(double); +int __signbitf(float); +int __signbitl(long double); + +#define signbit(x) ( \ + sizeof(x) == sizeof(float) ? (int)(__FLOAT_BITS(x)>>31) : \ + sizeof(x) == sizeof(double) ? (int)(__DOUBLE_BITS(x)>>63) : \ + __signbitl(x) ) + +#define isunordered(x,y) (isnan((x)) ? ((void)(y),1) : isnan((y))) + +#define __ISREL_DEF(rel, op, type) \ +static __inline int __is##rel(type __x, type __y) \ +{ return !isunordered(__x,__y) && __x op __y; } + +__ISREL_DEF(lessf, <, float_t) +__ISREL_DEF(less, <, double_t) +__ISREL_DEF(lessl, <, long double) +__ISREL_DEF(lessequalf, <=, float_t) +__ISREL_DEF(lessequal, <=, double_t) +__ISREL_DEF(lessequall, <=, long double) +__ISREL_DEF(lessgreaterf, !=, float_t) +__ISREL_DEF(lessgreater, !=, double_t) +__ISREL_DEF(lessgreaterl, !=, long double) +__ISREL_DEF(greaterf, >, float_t) +__ISREL_DEF(greater, >, double_t) +__ISREL_DEF(greaterl, >, long double) +__ISREL_DEF(greaterequalf, >=, float_t) +__ISREL_DEF(greaterequal, >=, double_t) +__ISREL_DEF(greaterequall, >=, long double) + +#define __tg_pred_2(x, y, p) ( \ + sizeof((x)+(y)) == sizeof(float) ? p##f(x, y) : \ + sizeof((x)+(y)) == sizeof(double) ? p(x, y) : \ + p##l(x, y) ) + +#define isless(x, y) __tg_pred_2(x, y, __isless) +#define islessequal(x, y) __tg_pred_2(x, y, __islessequal) +#define islessgreater(x, y) __tg_pred_2(x, y, __islessgreater) +#define isgreater(x, y) __tg_pred_2(x, y, __isgreater) +#define isgreaterequal(x, y) __tg_pred_2(x, y, __isgreaterequal) +#else +#define fpclassify(x) (__builtin_fpclassify(FP_NAN, FP_INFINITE, \ + FP_NORMAL, FP_SUBNORMAL, \ + FP_ZERO, x)) +#define isinf(x) (__builtin_isinf(x)) +#define isnan(x) (__builtin_isnan(x)) +#define isnormal(x) (__builtin_isnormal(x)) +#define isfinite(x) (__builtin_isfinite(x)) +#define signbit(x) (__builtin_signbit(x)) +#define isunordered(x, y) (__builtin_isunordered(x, y)) +#define isless(x, y) (__builtin_isless(x, y)) +#define islessequal(x, y) (__builtin_islessequal(x, y)) +#define islessgreater(x, y) (__builtin_islessgreater(x, y)) +#define isgreater(x, y) (__builtin_isgreater(x, y)) +#define isgreaterequal(x, y) (__builtin_isgreaterequal(x, y)) +#endif + +double acos(double); +float acosf(float); +long double acosl(long double); + +double acosh(double); +float acoshf(float); +long double acoshl(long double); + +double asin(double); +float asinf(float); +long double asinl(long double); + +double asinh(double); +float asinhf(float); +long double asinhl(long double); + +double atan(double); +float atanf(float); +long double atanl(long double); + +double atan2(double, double); +float atan2f(float, float); +long double atan2l(long double, long double); + +double atanh(double); +float atanhf(float); +long double atanhl(long double); + +double cbrt(double); +float cbrtf(float); +long double cbrtl(long double); + +double ceil(double); +float ceilf(float); +long double ceill(long double); + +double copysign(double, double); +float copysignf(float, float); +long double copysignl(long double, long double); + +double cos(double); +float cosf(float); +long double cosl(long double); + +double cosh(double); +float coshf(float); +long double coshl(long double); + +double erf(double); +float erff(float); +long double erfl(long double); + +double erfc(double); +float erfcf(float); +long double erfcl(long double); + +double exp(double); +float expf(float); +long double expl(long double); + +double exp2(double); +float exp2f(float); +long double exp2l(long double); + +double expm1(double); +float expm1f(float); +long double expm1l(long double); + +double fabs(double); +float fabsf(float); +long double fabsl(long double); + +double fdim(double, double); +float fdimf(float, float); +long double fdiml(long double, long double); + +double floor(double); +float floorf(float); +long double floorl(long double); + +double fma(double, double, double); +float fmaf(float, float, float); +long double fmal(long double, long double, long double); + +double fmax(double, double); +float fmaxf(float, float); +long double fmaxl(long double, long double); + +double fmin(double, double); +float fminf(float, float); +long double fminl(long double, long double); + +double fmod(double, double); +float fmodf(float, float); +long double fmodl(long double, long double); + +double frexp(double, int *); +float frexpf(float, int *); +long double frexpl(long double, int *); + +double hypot(double, double); +float hypotf(float, float); +long double hypotl(long double, long double); + +int ilogb(double); +int ilogbf(float); +int ilogbl(long double); + +double ldexp(double, int); +float ldexpf(float, int); +long double ldexpl(long double, int); + +double lgamma(double); +float lgammaf(float); +long double lgammal(long double); + +long long llrint(double); +long long llrintf(float); +long long llrintl(long double); + +long long llround(double); +long long llroundf(float); +long long llroundl(long double); + +double log(double); +float logf(float); +long double logl(long double); + +double log10(double); +float log10f(float); +long double log10l(long double); + +double log1p(double); +float log1pf(float); +long double log1pl(long double); + +double log2(double); +float log2f(float); +long double log2l(long double); + +double logb(double); +float logbf(float); +long double logbl(long double); + +long lrint(double); +long lrintf(float); +long lrintl(long double); + +long lround(double); +long lroundf(float); +long lroundl(long double); + +double modf(double, double *); +float modff(float, float *); +long double modfl(long double, long double *); + +double nan(const char *); +float nanf(const char *); +long double nanl(const char *); + +double nearbyint(double); +float nearbyintf(float); +long double nearbyintl(long double); + +double nextafter(double, double); +float nextafterf(float, float); +long double nextafterl(long double, long double); + +double nexttoward(double, long double); +float nexttowardf(float, long double); +long double nexttowardl(long double, long double); + +double pow(double, double); +float powf(float, float); +long double powl(long double, long double); + +double remainder(double, double); +float remainderf(float, float); +long double remainderl(long double, long double); + +double remquo(double, double, int *); +float remquof(float, float, int *); +long double remquol(long double, long double, int *); + +double rint(double); +float rintf(float); +long double rintl(long double); + +double round(double); +float roundf(float); +long double roundl(long double); + +double scalbln(double, long); +float scalblnf(float, long); +long double scalblnl(long double, long); + +double scalbn(double, int); +float scalbnf(float, int); +long double scalbnl(long double, int); + +double sin(double); +float sinf(float); +long double sinl(long double); + +double sinh(double); +float sinhf(float); +long double sinhl(long double); + +double sqrt(double); +float sqrtf(float); +long double sqrtl(long double); + +double tan(double); +float tanf(float); +long double tanl(long double); + +double tanh(double); +float tanhf(float); +long double tanhl(long double); + +double tgamma(double); +float tgammaf(float); +long double tgammal(long double); + +double trunc(double); +float truncf(float); +long double truncl(long double); + + +#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) +#undef MAXFLOAT +#define MAXFLOAT 3.40282346638528859812e+38F +#endif + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define M_E 2.7182818284590452354 /* e */ +#define M_LOG2E 1.4426950408889634074 /* log_2 e */ +#define M_LOG10E 0.43429448190325182765 /* log_10 e */ +#define M_LN2 0.69314718055994530942 /* log_e 2 */ +#define M_LN10 2.30258509299404568402 /* log_e 10 */ +#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) */ + +extern int signgam; + +double j0(double); +double j1(double); +double jn(int, double); + +double y0(double); +double y1(double); +double yn(int, double); +#endif + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define HUGE 3.40282346638528859812e+38F + +double drem(double, double); +float dremf(float, float); + +int finite(double); +int finitef(float); + +double scalb(double, double); +float scalbf(float, float); + +double significand(double); +float significandf(float); + +double lgamma_r(double, int*); +float lgammaf_r(float, int*); + +float j0f(float); +float j1f(float); +float jnf(int, float); + +float y0f(float); +float y1f(float); +float ynf(int, float); +#endif + +#ifdef _GNU_SOURCE +long double lgammal_r(long double, int*); + +void sincos(double, double*, double*); +void sincosf(float, float*, float*); +void sincosl(long double, long double*, long double*); + +double exp10(double); +float exp10f(float); +long double exp10l(long double); + +double pow10(double); +float pow10f(float); +long double pow10l(long double); +#endif + +#ifdef __cplusplus +} +#endif + +#endif |