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diff --git a/fdlibm.h b/fdlibm.h
--- a/fdlibm.h
+++ b/fdlibm.h
@@ -12,504 +12,68 @@
/*
* from: @(#)fdlibm.h 5.1 93/09/24
* $FreeBSD$
*/
#ifndef _MATH_H_
#define _MATH_H_
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-#include <machine/_limits.h>
-
-/*
- * ANSI/POSIX
- */
-extern const union __infinity_un {
- unsigned char __uc[8];
- double __ud;
-} __infinity;
-
-extern const union __nan_un {
- unsigned char __uc[sizeof(float)];
- float __uf;
-} __nan;
-
-#if __GNUC_PREREQ__(3, 3)
-#define __MATH_BUILTIN_CONSTANTS
-#endif
-
-#if __GNUC_PREREQ__(3, 0)
-#define __MATH_BUILTIN_RELOPS
-#endif
-
-#ifdef __MATH_BUILTIN_CONSTANTS
-#define HUGE_VAL __builtin_huge_val()
-#else
-#define HUGE_VAL (__infinity.__ud)
-#endif
-
-#if __ISO_C_VISIBLE >= 1999
-#define FP_ILOGB0 (-__INT_MAX)
-#define FP_ILOGBNAN __INT_MAX
-
-#ifdef __MATH_BUILTIN_CONSTANTS
-#define HUGE_VALF __builtin_huge_valf()
-#define HUGE_VALL __builtin_huge_vall()
-#define INFINITY __builtin_inff()
-#define NAN __builtin_nanf("")
-#else
-#define HUGE_VALF (float)HUGE_VAL
-#define HUGE_VALL (long double)HUGE_VAL
-#define INFINITY HUGE_VALF
-#define NAN (__nan.__uf)
-#endif /* __MATH_BUILTIN_CONSTANTS */
-
-#define MATH_ERRNO 1
-#define MATH_ERREXCEPT 2
-#define math_errhandling MATH_ERREXCEPT
-
-#define FP_FAST_FMAF 1
-
-/* Symbolic constants to classify floating point numbers. */
-#define FP_INFINITE 0x01
-#define FP_NAN 0x02
-#define FP_NORMAL 0x04
-#define FP_SUBNORMAL 0x08
-#define FP_ZERO 0x10
-
-#if __STDC_VERSION__ >= 201112L || __has_extension(c_generic_selections)
-#define __fp_type_select(x, f, d, ld) __extension__ _Generic((x), \
- float: f(x), \
- double: d(x), \
- long double: ld(x))
-#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
-#define __fp_type_select(x, f, d, ld) __builtin_choose_expr( \
- __builtin_types_compatible_p(__typeof(x), long double), ld(x), \
- __builtin_choose_expr( \
- __builtin_types_compatible_p(__typeof(x), double), d(x), \
- __builtin_choose_expr( \
- __builtin_types_compatible_p(__typeof(x), float), f(x), (void)0)))
-#else
-#define __fp_type_select(x, f, d, ld) \
- ((sizeof(x) == sizeof(float)) ? f(x) \
- : (sizeof(x) == sizeof(double)) ? d(x) \
- : ld(x))
-#endif
-
-#define fpclassify(x) \
- __fp_type_select(x, __fpclassifyf, __fpclassifyd, __fpclassifyl)
-#define isfinite(x) __fp_type_select(x, __isfinitef, __isfinite, __isfinitel)
-#define isinf(x) __fp_type_select(x, __isinff, __isinf, __isinfl)
-#define isnan(x) \
- __fp_type_select(x, __inline_isnanf, __inline_isnan, __inline_isnanl)
-#define isnormal(x) __fp_type_select(x, __isnormalf, __isnormal, __isnormall)
-
-#ifdef __MATH_BUILTIN_RELOPS
-#define isgreater(x, y) __builtin_isgreater((x), (y))
-#define isgreaterequal(x, y) __builtin_isgreaterequal((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 isunordered(x, y) __builtin_isunordered((x), (y))
-#else
-#define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y))
-#define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y))
-#define isless(x, y) (!isunordered((x), (y)) && (x) < (y))
-#define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y))
-#define islessgreater(x, y) (!isunordered((x), (y)) && \
- ((x) > (y) || (y) > (x)))
-#define isunordered(x, y) (isnan(x) || isnan(y))
-#endif /* __MATH_BUILTIN_RELOPS */
-
-#define signbit(x) __fp_type_select(x, __signbitf, __signbit, __signbitl)
-
-typedef __double_t double_t;
-typedef __float_t float_t;
-#endif /* __ISO_C_VISIBLE >= 1999 */
-
-/*
- * XOPEN/SVID
- */
-#if __BSD_VISIBLE || __XSI_VISIBLE
-#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 ((float)3.40282346638528860e+38)
-extern int signgam;
-#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
-
-#if __BSD_VISIBLE
-#if 0
-/* Old value from 4.4BSD-Lite math.h; this is probably better. */
-#define HUGE HUGE_VAL
-#else
-#define HUGE MAXFLOAT
-#endif
-#endif /* __BSD_VISIBLE */
-
-/*
- * Most of these functions depend on the rounding mode and have the side
- * effect of raising floating-point exceptions, so they are not declared
- * as __pure2. In C99, FENV_ACCESS affects the purity of these functions.
- */
-__BEGIN_DECLS
-/*
- * ANSI/POSIX
- */
-int __fpclassifyd(double) __pure2;
-int __fpclassifyf(float) __pure2;
-int __fpclassifyl(long double) __pure2;
-int __isfinitef(float) __pure2;
-int __isfinite(double) __pure2;
-int __isfinitel(long double) __pure2;
-int __isinff(float) __pure2;
-int __isinf(double) __pure2;
-int __isinfl(long double) __pure2;
-int __isnormalf(float) __pure2;
-int __isnormal(double) __pure2;
-int __isnormall(long double) __pure2;
-int __signbit(double) __pure2;
-int __signbitf(float) __pure2;
-int __signbitl(long double) __pure2;
-
-static __inline int
-__inline_isnan(__const double __x)
-{
-
- return (__x != __x);
-}
-
-static __inline int
-__inline_isnanf(__const float __x)
-{
-
- return (__x != __x);
-}
-
-static __inline int
-__inline_isnanl(__const long double __x)
-{
-
- return (__x != __x);
-}
-
-/*
- * Define the following aliases, for compatibility with glibc and CUDA.
- */
-#define __isnan __inline_isnan
-#define __isnanf __inline_isnanf
-
-/*
- * Version 2 of the Single UNIX Specification (UNIX98) defined isnan() and
- * isinf() as functions taking double. C99, and the subsequent POSIX revisions
- * (SUSv3, POSIX.1-2001, define it as a macro that accepts any real floating
- * point type. If we are targeting SUSv2 and C99 or C11 (or C++11) then we
- * expose the newer definition, assuming that the language spec takes
- * precedence over the operating system interface spec.
- */
-#if __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600 && __ISO_C_VISIBLE < 1999
-#undef isinf
-#undef isnan
-int isinf(double);
-int isnan(double);
-#endif
-
double acos(double);
double asin(double);
double atan(double);
double atan2(double, double);
double cos(double);
double sin(double);
double tan(double);
double cosh(double);
double sinh(double);
double tanh(double);
double exp(double);
-double frexp(double, int *); /* fundamentally !__pure2 */
-double ldexp(double, int);
double log(double);
double log10(double);
-double modf(double, double *); /* fundamentally !__pure2 */
double pow(double, double);
-double sqrt(double);
double ceil(double);
-double fabs(double) __pure2;
+double fabs(double);
double floor(double);
-double fmod(double, double);
-/*
- * These functions are not in C90.
- */
-#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE
double acosh(double);
double asinh(double);
double atanh(double);
double cbrt(double);
-double erf(double);
-double erfc(double);
double exp2(double);
double expm1(double);
-double fma(double, double, double);
double hypot(double, double);
-int ilogb(double) __pure2;
-double lgamma(double);
-long long llrint(double);
-long long llround(double);
double log1p(double);
double log2(double);
-double logb(double);
-long lrint(double);
-long lround(double);
-double nan(const char *) __pure2;
-double nextafter(double, double);
-double remainder(double, double);
-double remquo(double, double, int *);
double rint(double);
-#endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */
-
-#if __BSD_VISIBLE || __XSI_VISIBLE
-double j0(double);
-double j1(double);
-double jn(int, double);
-double y0(double);
-double y1(double);
-double yn(int, double);
-
-#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
-double gamma(double);
-#endif
-
-#if __XSI_VISIBLE <= 600 || __BSD_VISIBLE
-double scalb(double, double);
-#endif
-#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
-
-#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
-double copysign(double, double) __pure2;
-double fdim(double, double);
-double fmax(double, double) __pure2;
-double fmin(double, double) __pure2;
+double copysign(double, double);
double nearbyint(double);
-double round(double);
-double scalbln(double, long);
double scalbn(double, int);
-double tgamma(double);
double trunc(double);
-#endif
-
-/*
- * BSD math library entry points
- */
-#if __BSD_VISIBLE
-double drem(double, double);
-int finite(double) __pure2;
-int isnanf(float) __pure2;
-
-/*
- * Reentrant version of gamma & lgamma; passes signgam back by reference
- * as the second argument; user must allocate space for signgam.
- */
-double gamma_r(double, int *);
-double lgamma_r(double, int *);
-
-/*
- * IEEE Test Vector
- */
-double significand(double);
-#endif /* __BSD_VISIBLE */
-
-/* float versions of ANSI/POSIX functions */
-#if __ISO_C_VISIBLE >= 1999
float acosf(float);
float asinf(float);
float atanf(float);
-float atan2f(float, float);
float cosf(float);
float sinf(float);
float tanf(float);
-
-float coshf(float);
-float sinhf(float);
-float tanhf(float);
-
float exp2f(float);
float expf(float);
-float expm1f(float);
-float frexpf(float, int *); /* fundamentally !__pure2 */
-int ilogbf(float) __pure2;
-float ldexpf(float, int);
float log10f(float);
-float log1pf(float);
-float log2f(float);
float logf(float);
-float modff(float, float *); /* fundamentally !__pure2 */
-
float powf(float, float);
float sqrtf(float);
float ceilf(float);
-float fabsf(float) __pure2;
+float fabsf(float);
float floorf(float);
-float fmodf(float, float);
-float roundf(float);
-
-float erff(float);
-float erfcf(float);
float hypotf(float, float);
-float lgammaf(float);
-float tgammaf(float);
-
-float acoshf(float);
-float asinhf(float);
-float atanhf(float);
-float cbrtf(float);
-float logbf(float);
-float copysignf(float, float) __pure2;
-long long llrintf(float);
-long long llroundf(float);
-long lrintf(float);
-long lroundf(float);
-float nanf(const char *) __pure2;
float nearbyintf(float);
-float nextafterf(float, float);
-float remainderf(float, float);
-float remquof(float, float, int *);
float rintf(float);
-float scalblnf(float, long);
float scalbnf(float, int);
float truncf(float);
-float fdimf(float, float);
-float fmaf(float, float, float);
-float fmaxf(float, float) __pure2;
-float fminf(float, float) __pure2;
-#endif
-
-/*
- * float versions of BSD math library entry points
- */
-#if __BSD_VISIBLE
-float dremf(float, float);
-int finitef(float) __pure2;
-float gammaf(float);
-float j0f(float);
-float j1f(float);
-float jnf(int, float);
-float scalbf(float, float);
-float y0f(float);
-float y1f(float);
-float ynf(int, float);
-
-/*
- * Float versions of reentrant version of gamma & lgamma; passes
- * signgam back by reference as the second argument; user must
- * allocate space for signgam.
- */
-float gammaf_r(float, int *);
-float lgammaf_r(float, int *);
-
-/*
- * float version of IEEE Test Vector
- */
-float significandf(float);
-#endif /* __BSD_VISIBLE */
-
-/*
- * long double versions of ISO/POSIX math functions
- */
-#if __ISO_C_VISIBLE >= 1999
-long double acoshl(long double);
-long double acosl(long double);
-long double asinhl(long double);
-long double asinl(long double);
-long double atan2l(long double, long double);
-long double atanhl(long double);
-long double atanl(long double);
-long double cbrtl(long double);
-long double ceill(long double);
-long double copysignl(long double, long double) __pure2;
-long double coshl(long double);
-long double cosl(long double);
-long double erfcl(long double);
-long double erfl(long double);
-long double exp2l(long double);
-long double expl(long double);
-long double expm1l(long double);
-long double fabsl(long double) __pure2;
-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) __pure2;
-long double fminl(long double, long double) __pure2;
-long double fmodl(long double, long double);
-long double frexpl(long double, int *); /* fundamentally !__pure2 */
-long double hypotl(long double, long double);
-int ilogbl(long double) __pure2;
-long double ldexpl(long double, int);
-long double lgammal(long double);
-long long llrintl(long double);
-long long llroundl(long double);
-long double log10l(long double);
-long double log1pl(long double);
-long double log2l(long double);
-long double logbl(long double);
-long double logl(long double);
-long lrintl(long double);
-long lroundl(long double);
-long double modfl(long double, long double *); /* fundamentally !__pure2 */
-long double nanl(const char *) __pure2;
-long double nearbyintl(long double);
-long double nextafterl(long double, long double);
-double nexttoward(double, long double);
-float nexttowardf(float, long double);
-long double nexttowardl(long double, long double);
-long double powl(long double, long double);
-long double remainderl(long double, long double);
-long double remquol(long double, long double, int *);
-long double rintl(long double);
-long double roundl(long double);
-long double scalblnl(long double, long);
-long double scalbnl(long double, int);
-long double sinhl(long double);
-long double sinl(long double);
-long double sqrtl(long double);
-long double tanhl(long double);
-long double tanl(long double);
-long double tgammal(long double);
-long double truncl(long double);
-#endif /* __ISO_C_VISIBLE >= 1999 */
-
-#if __BSD_VISIBLE
-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 cospi(double);
-float cospif(float);
-long double cospil(long double);
-double sinpi(double);
-float sinpif(float);
-long double sinpil(long double);
-double tanpi(double);
-float tanpif(float);
-long double tanpil(long double);
-#endif
-
-__END_DECLS
-
#endif /* !_MATH_H_ */