Index: fusl/include/math.h |
diff --git a/fusl/include/math.h b/fusl/include/math.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6ac91da24f94365aa06bd904fb35036d1af21ac4 |
--- /dev/null |
+++ b/fusl/include/math.h |
@@ -0,0 +1,430 @@ |
+#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-(int)(((unsigned)-1)>>1)) |
+#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 |
+ |
+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) |
+ |
+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 |