tgmath.h

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/*===---- tgmath.h - Standard header for type generic math ----------------===*\
 *
 * Copyright (c) 2009 Howard Hinnant
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
\*===----------------------------------------------------------------------===*/

#ifndef __TGMATH_H
#define __TGMATH_H

/* C99 7.22 Type-generic math <tgmath.h>. */
#include <math.h>

/* C++ handles type genericity with overloading in math.h. */
#ifndef __cplusplus
#include <complex.h>

#define _TG_ATTRSp __attribute__((__overloadable__))
#define _TG_ATTRS __attribute__((__overloadable__, __always_inline__))

// promotion

typedef void _Argument_type_is_not_arithmetic;
static _Argument_type_is_not_arithmetic __tg_promote(...)
  __attribute__((__unavailable__,__overloadable__));
static double               _TG_ATTRSp __tg_promote(int);
static double               _TG_ATTRSp __tg_promote(unsigned int);
static double               _TG_ATTRSp __tg_promote(long);
static double               _TG_ATTRSp __tg_promote(unsigned long);
static double               _TG_ATTRSp __tg_promote(long long);
static double               _TG_ATTRSp __tg_promote(unsigned long long);
static float                _TG_ATTRSp __tg_promote(float);
static double               _TG_ATTRSp __tg_promote(double);
static long double          _TG_ATTRSp __tg_promote(long double);
static float _Complex       _TG_ATTRSp __tg_promote(float _Complex);
static double _Complex      _TG_ATTRSp __tg_promote(double _Complex);
static long double _Complex _TG_ATTRSp __tg_promote(long double _Complex);

#define __tg_promote1(__x)           (__typeof__(__tg_promote(__x)))
#define __tg_promote2(__x, __y)      (__typeof__(__tg_promote(__x) + \
                                                 __tg_promote(__y)))
#define __tg_promote3(__x, __y, __z) (__typeof__(__tg_promote(__x) + \
                                                 __tg_promote(__y) + \
                                                 __tg_promote(__z)))

// acos

static float
    _TG_ATTRS
    __tg_acos(float __x) {return acosf(__x);}

static double
    _TG_ATTRS
    __tg_acos(double __x) {return acos(__x);}

static long double
    _TG_ATTRS
    __tg_acos(long double __x) {return acosl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_acos(float _Complex __x) {return cacosf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_acos(double _Complex __x) {return cacos(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_acos(long double _Complex __x) {return cacosl(__x);}

#undef acos
#define acos(__x) __tg_acos(__tg_promote1((__x))(__x))

// asin

static float
    _TG_ATTRS
    __tg_asin(float __x) {return asinf(__x);}

static double
    _TG_ATTRS
    __tg_asin(double __x) {return asin(__x);}

static long double
    _TG_ATTRS
    __tg_asin(long double __x) {return asinl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_asin(float _Complex __x) {return casinf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_asin(double _Complex __x) {return casin(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_asin(long double _Complex __x) {return casinl(__x);}

#undef asin
#define asin(__x) __tg_asin(__tg_promote1((__x))(__x))

// atan

static float
    _TG_ATTRS
    __tg_atan(float __x) {return atanf(__x);}

static double
    _TG_ATTRS
    __tg_atan(double __x) {return atan(__x);}

static long double
    _TG_ATTRS
    __tg_atan(long double __x) {return atanl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_atan(float _Complex __x) {return catanf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_atan(double _Complex __x) {return catan(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_atan(long double _Complex __x) {return catanl(__x);}

#undef atan
#define atan(__x) __tg_atan(__tg_promote1((__x))(__x))

// acosh

static float
    _TG_ATTRS
    __tg_acosh(float __x) {return acoshf(__x);}

static double
    _TG_ATTRS
    __tg_acosh(double __x) {return acosh(__x);}

static long double
    _TG_ATTRS
    __tg_acosh(long double __x) {return acoshl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_acosh(float _Complex __x) {return cacoshf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_acosh(double _Complex __x) {return cacosh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_acosh(long double _Complex __x) {return cacoshl(__x);}

#undef acosh
#define acosh(__x) __tg_acosh(__tg_promote1((__x))(__x))

// asinh

static float
    _TG_ATTRS
    __tg_asinh(float __x) {return asinhf(__x);}

static double
    _TG_ATTRS
    __tg_asinh(double __x) {return asinh(__x);}

static long double
    _TG_ATTRS
    __tg_asinh(long double __x) {return asinhl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_asinh(float _Complex __x) {return casinhf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_asinh(double _Complex __x) {return casinh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_asinh(long double _Complex __x) {return casinhl(__x);}

#undef asinh
#define asinh(__x) __tg_asinh(__tg_promote1((__x))(__x))

// atanh

static float
    _TG_ATTRS
    __tg_atanh(float __x) {return atanhf(__x);}

static double
    _TG_ATTRS
    __tg_atanh(double __x) {return atanh(__x);}

static long double
    _TG_ATTRS
    __tg_atanh(long double __x) {return atanhl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_atanh(float _Complex __x) {return catanhf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_atanh(double _Complex __x) {return catanh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_atanh(long double _Complex __x) {return catanhl(__x);}

#undef atanh
#define atanh(__x) __tg_atanh(__tg_promote1((__x))(__x))

// cos

static float
    _TG_ATTRS
    __tg_cos(float __x) {return cosf(__x);}

static double
    _TG_ATTRS
    __tg_cos(double __x) {return cos(__x);}

static long double
    _TG_ATTRS
    __tg_cos(long double __x) {return cosl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_cos(float _Complex __x) {return ccosf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_cos(double _Complex __x) {return ccos(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_cos(long double _Complex __x) {return ccosl(__x);}

#undef cos
#define cos(__x) __tg_cos(__tg_promote1((__x))(__x))

// sin

static float
    _TG_ATTRS
    __tg_sin(float __x) {return sinf(__x);}

static double
    _TG_ATTRS
    __tg_sin(double __x) {return sin(__x);}

static long double
    _TG_ATTRS
    __tg_sin(long double __x) {return sinl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_sin(float _Complex __x) {return csinf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_sin(double _Complex __x) {return csin(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_sin(long double _Complex __x) {return csinl(__x);}

#undef sin
#define sin(__x) __tg_sin(__tg_promote1((__x))(__x))

// tan

static float
    _TG_ATTRS
    __tg_tan(float __x) {return tanf(__x);}

static double
    _TG_ATTRS
    __tg_tan(double __x) {return tan(__x);}

static long double
    _TG_ATTRS
    __tg_tan(long double __x) {return tanl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_tan(float _Complex __x) {return ctanf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_tan(double _Complex __x) {return ctan(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_tan(long double _Complex __x) {return ctanl(__x);}

#undef tan
#define tan(__x) __tg_tan(__tg_promote1((__x))(__x))

// cosh

static float
    _TG_ATTRS
    __tg_cosh(float __x) {return coshf(__x);}

static double
    _TG_ATTRS
    __tg_cosh(double __x) {return cosh(__x);}

static long double
    _TG_ATTRS
    __tg_cosh(long double __x) {return coshl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_cosh(float _Complex __x) {return ccoshf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_cosh(double _Complex __x) {return ccosh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_cosh(long double _Complex __x) {return ccoshl(__x);}

#undef cosh
#define cosh(__x) __tg_cosh(__tg_promote1((__x))(__x))

// sinh

static float
    _TG_ATTRS
    __tg_sinh(float __x) {return sinhf(__x);}

static double
    _TG_ATTRS
    __tg_sinh(double __x) {return sinh(__x);}

static long double
    _TG_ATTRS
    __tg_sinh(long double __x) {return sinhl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_sinh(float _Complex __x) {return csinhf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_sinh(double _Complex __x) {return csinh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_sinh(long double _Complex __x) {return csinhl(__x);}

#undef sinh
#define sinh(__x) __tg_sinh(__tg_promote1((__x))(__x))

// tanh

static float
    _TG_ATTRS
    __tg_tanh(float __x) {return tanhf(__x);}

static double
    _TG_ATTRS
    __tg_tanh(double __x) {return tanh(__x);}

static long double
    _TG_ATTRS
    __tg_tanh(long double __x) {return tanhl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_tanh(float _Complex __x) {return ctanhf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_tanh(double _Complex __x) {return ctanh(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_tanh(long double _Complex __x) {return ctanhl(__x);}

#undef tanh
#define tanh(__x) __tg_tanh(__tg_promote1((__x))(__x))

// exp

static float
    _TG_ATTRS
    __tg_exp(float __x) {return expf(__x);}

static double
    _TG_ATTRS
    __tg_exp(double __x) {return exp(__x);}

static long double
    _TG_ATTRS
    __tg_exp(long double __x) {return expl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_exp(float _Complex __x) {return cexpf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_exp(double _Complex __x) {return cexp(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_exp(long double _Complex __x) {return cexpl(__x);}

#undef exp
#define exp(__x) __tg_exp(__tg_promote1((__x))(__x))

// log

static float
    _TG_ATTRS
    __tg_log(float __x) {return logf(__x);}

static double
    _TG_ATTRS
    __tg_log(double __x) {return log(__x);}

static long double
    _TG_ATTRS
    __tg_log(long double __x) {return logl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_log(float _Complex __x) {return clogf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_log(double _Complex __x) {return clog(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_log(long double _Complex __x) {return clogl(__x);}

#undef log
#define log(__x) __tg_log(__tg_promote1((__x))(__x))

// pow

static float
    _TG_ATTRS
    __tg_pow(float __x, float __y) {return powf(__x, __y);}

static double
    _TG_ATTRS
    __tg_pow(double __x, double __y) {return pow(__x, __y);}

static long double
    _TG_ATTRS
    __tg_pow(long double __x, long double __y) {return powl(__x, __y);}

static float _Complex
    _TG_ATTRS
    __tg_pow(float _Complex __x, float _Complex __y) {return cpowf(__x, __y);}

static double _Complex
    _TG_ATTRS
    __tg_pow(double _Complex __x, double _Complex __y) {return cpow(__x, __y);}

static long double _Complex
    _TG_ATTRS
    __tg_pow(long double _Complex __x, long double _Complex __y)
    {return cpowl(__x, __y);}

#undef pow
#define pow(__x, __y) __tg_pow(__tg_promote2((__x), (__y))(__x), \
                               __tg_promote2((__x), (__y))(__y))

// sqrt

static float
    _TG_ATTRS
    __tg_sqrt(float __x) {return sqrtf(__x);}

static double
    _TG_ATTRS
    __tg_sqrt(double __x) {return sqrt(__x);}

static long double
    _TG_ATTRS
    __tg_sqrt(long double __x) {return sqrtl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_sqrt(float _Complex __x) {return csqrtf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_sqrt(double _Complex __x) {return csqrt(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_sqrt(long double _Complex __x) {return csqrtl(__x);}

#undef sqrt
#define sqrt(__x) __tg_sqrt(__tg_promote1((__x))(__x))

// fabs

static float
    _TG_ATTRS
    __tg_fabs(float __x) {return fabsf(__x);}

static double
    _TG_ATTRS
    __tg_fabs(double __x) {return fabs(__x);}

static long double
    _TG_ATTRS
    __tg_fabs(long double __x) {return fabsl(__x);}

static float
    _TG_ATTRS
    __tg_fabs(float _Complex __x) {return cabsf(__x);}

static double
    _TG_ATTRS
    __tg_fabs(double _Complex __x) {return cabs(__x);}

static long double
    _TG_ATTRS
    __tg_fabs(long double _Complex __x) {return cabsl(__x);}

#undef fabs
#define fabs(__x) __tg_fabs(__tg_promote1((__x))(__x))

// atan2

static float
    _TG_ATTRS
    __tg_atan2(float __x, float __y) {return atan2f(__x, __y);}

static double
    _TG_ATTRS
    __tg_atan2(double __x, double __y) {return atan2(__x, __y);}

static long double
    _TG_ATTRS
    __tg_atan2(long double __x, long double __y) {return atan2l(__x, __y);}

#undef atan2
#define atan2(__x, __y) __tg_atan2(__tg_promote2((__x), (__y))(__x), \
                                   __tg_promote2((__x), (__y))(__y))

// cbrt

static float
    _TG_ATTRS
    __tg_cbrt(float __x) {return cbrtf(__x);}

static double
    _TG_ATTRS
    __tg_cbrt(double __x) {return cbrt(__x);}

static long double
    _TG_ATTRS
    __tg_cbrt(long double __x) {return cbrtl(__x);}

#undef cbrt
#define cbrt(__x) __tg_cbrt(__tg_promote1((__x))(__x))

// ceil

static float
    _TG_ATTRS
    __tg_ceil(float __x) {return ceilf(__x);}

static double
    _TG_ATTRS
    __tg_ceil(double __x) {return ceil(__x);}

static long double
    _TG_ATTRS
    __tg_ceil(long double __x) {return ceill(__x);}

#undef ceil
#define ceil(__x) __tg_ceil(__tg_promote1((__x))(__x))

// copysign

static float
    _TG_ATTRS
    __tg_copysign(float __x, float __y) {return copysignf(__x, __y);}

static double
    _TG_ATTRS
    __tg_copysign(double __x, double __y) {return copysign(__x, __y);}

static long double
    _TG_ATTRS
    __tg_copysign(long double __x, long double __y) {return copysignl(__x, __y);}

#undef copysign
#define copysign(__x, __y) __tg_copysign(__tg_promote2((__x), (__y))(__x), \
                                         __tg_promote2((__x), (__y))(__y))

// erf

static float
    _TG_ATTRS
    __tg_erf(float __x) {return erff(__x);}

static double
    _TG_ATTRS
    __tg_erf(double __x) {return erf(__x);}

static long double
    _TG_ATTRS
    __tg_erf(long double __x) {return erfl(__x);}

#undef erf
#define erf(__x) __tg_erf(__tg_promote1((__x))(__x))

// erfc

static float
    _TG_ATTRS
    __tg_erfc(float __x) {return erfcf(__x);}

static double
    _TG_ATTRS
    __tg_erfc(double __x) {return erfc(__x);}

static long double
    _TG_ATTRS
    __tg_erfc(long double __x) {return erfcl(__x);}

#undef erfc
#define erfc(__x) __tg_erfc(__tg_promote1((__x))(__x))

// exp2

static float
    _TG_ATTRS
    __tg_exp2(float __x) {return exp2f(__x);}

static double
    _TG_ATTRS
    __tg_exp2(double __x) {return exp2(__x);}

static long double
    _TG_ATTRS
    __tg_exp2(long double __x) {return exp2l(__x);}

#undef exp2
#define exp2(__x) __tg_exp2(__tg_promote1((__x))(__x))

// expm1

static float
    _TG_ATTRS
    __tg_expm1(float __x) {return expm1f(__x);}

static double
    _TG_ATTRS
    __tg_expm1(double __x) {return expm1(__x);}

static long double
    _TG_ATTRS
    __tg_expm1(long double __x) {return expm1l(__x);}

#undef expm1
#define expm1(__x) __tg_expm1(__tg_promote1((__x))(__x))

// fdim

static float
    _TG_ATTRS
    __tg_fdim(float __x, float __y) {return fdimf(__x, __y);}

static double
    _TG_ATTRS
    __tg_fdim(double __x, double __y) {return fdim(__x, __y);}

static long double
    _TG_ATTRS
    __tg_fdim(long double __x, long double __y) {return fdiml(__x, __y);}

#undef fdim
#define fdim(__x, __y) __tg_fdim(__tg_promote2((__x), (__y))(__x), \
                                 __tg_promote2((__x), (__y))(__y))

// floor

static float
    _TG_ATTRS
    __tg_floor(float __x) {return floorf(__x);}

static double
    _TG_ATTRS
    __tg_floor(double __x) {return floor(__x);}

static long double
    _TG_ATTRS
    __tg_floor(long double __x) {return floorl(__x);}

#undef floor
#define floor(__x) __tg_floor(__tg_promote1((__x))(__x))

// fma

static float
    _TG_ATTRS
    __tg_fma(float __x, float __y, float __z)
    {return fmaf(__x, __y, __z);}

static double
    _TG_ATTRS
    __tg_fma(double __x, double __y, double __z)
    {return fma(__x, __y, __z);}

static long double
    _TG_ATTRS
    __tg_fma(long double __x,long double __y, long double __z)
    {return fmal(__x, __y, __z);}

#undef fma
#define fma(__x, __y, __z)                                \
        __tg_fma(__tg_promote3((__x), (__y), (__z))(__x), \
                 __tg_promote3((__x), (__y), (__z))(__y), \
                 __tg_promote3((__x), (__y), (__z))(__z))

// fmax

static float
    _TG_ATTRS
    __tg_fmax(float __x, float __y) {return fmaxf(__x, __y);}

static double
    _TG_ATTRS
    __tg_fmax(double __x, double __y) {return fmax(__x, __y);}

static long double
    _TG_ATTRS
    __tg_fmax(long double __x, long double __y) {return fmaxl(__x, __y);}

#undef fmax
#define fmax(__x, __y) __tg_fmax(__tg_promote2((__x), (__y))(__x), \
                                 __tg_promote2((__x), (__y))(__y))

// fmin

static float
    _TG_ATTRS
    __tg_fmin(float __x, float __y) {return fminf(__x, __y);}

static double
    _TG_ATTRS
    __tg_fmin(double __x, double __y) {return fmin(__x, __y);}

static long double
    _TG_ATTRS
    __tg_fmin(long double __x, long double __y) {return fminl(__x, __y);}

#undef fmin
#define fmin(__x, __y) __tg_fmin(__tg_promote2((__x), (__y))(__x), \
                                 __tg_promote2((__x), (__y))(__y))

// fmod

static float
    _TG_ATTRS
    __tg_fmod(float __x, float __y) {return fmodf(__x, __y);}

static double
    _TG_ATTRS
    __tg_fmod(double __x, double __y) {return fmod(__x, __y);}

static long double
    _TG_ATTRS
    __tg_fmod(long double __x, long double __y) {return fmodl(__x, __y);}

#undef fmod
#define fmod(__x, __y) __tg_fmod(__tg_promote2((__x), (__y))(__x), \
                                 __tg_promote2((__x), (__y))(__y))

// frexp

static float
    _TG_ATTRS
    __tg_frexp(float __x, int* __y) {return frexpf(__x, __y);}

static double
    _TG_ATTRS
    __tg_frexp(double __x, int* __y) {return frexp(__x, __y);}

static long double
    _TG_ATTRS
    __tg_frexp(long double __x, int* __y) {return frexpl(__x, __y);}

#undef frexp
#define frexp(__x, __y) __tg_frexp(__tg_promote1((__x))(__x), __y)

// hypot

static float
    _TG_ATTRS
    __tg_hypot(float __x, float __y) {return hypotf(__x, __y);}

static double
    _TG_ATTRS
    __tg_hypot(double __x, double __y) {return hypot(__x, __y);}

static long double
    _TG_ATTRS
    __tg_hypot(long double __x, long double __y) {return hypotl(__x, __y);}

#undef hypot
#define hypot(__x, __y) __tg_hypot(__tg_promote2((__x), (__y))(__x), \
                                   __tg_promote2((__x), (__y))(__y))

// ilogb

static int
    _TG_ATTRS
    __tg_ilogb(float __x) {return ilogbf(__x);}

static int
    _TG_ATTRS
    __tg_ilogb(double __x) {return ilogb(__x);}

static int
    _TG_ATTRS
    __tg_ilogb(long double __x) {return ilogbl(__x);}

#undef ilogb
#define ilogb(__x) __tg_ilogb(__tg_promote1((__x))(__x))

// ldexp

static float
    _TG_ATTRS
    __tg_ldexp(float __x, int __y) {return ldexpf(__x, __y);}

static double
    _TG_ATTRS
    __tg_ldexp(double __x, int __y) {return ldexp(__x, __y);}

static long double
    _TG_ATTRS
    __tg_ldexp(long double __x, int __y) {return ldexpl(__x, __y);}

#undef ldexp
#define ldexp(__x, __y) __tg_ldexp(__tg_promote1((__x))(__x), __y)

// lgamma

static float
    _TG_ATTRS
    __tg_lgamma(float __x) {return lgammaf(__x);}

static double
    _TG_ATTRS
    __tg_lgamma(double __x) {return lgamma(__x);}

static long double
    _TG_ATTRS
    __tg_lgamma(long double __x) {return lgammal(__x);}

#undef lgamma
#define lgamma(__x) __tg_lgamma(__tg_promote1((__x))(__x))

// llrint

static long long
    _TG_ATTRS
    __tg_llrint(float __x) {return llrintf(__x);}

static long long
    _TG_ATTRS
    __tg_llrint(double __x) {return llrint(__x);}

static long long
    _TG_ATTRS
    __tg_llrint(long double __x) {return llrintl(__x);}

#undef llrint
#define llrint(__x) __tg_llrint(__tg_promote1((__x))(__x))

// llround

static long long
    _TG_ATTRS
    __tg_llround(float __x) {return llroundf(__x);}

static long long
    _TG_ATTRS
    __tg_llround(double __x) {return llround(__x);}

static long long
    _TG_ATTRS
    __tg_llround(long double __x) {return llroundl(__x);}

#undef llround
#define llround(__x) __tg_llround(__tg_promote1((__x))(__x))

// log10

static float
    _TG_ATTRS
    __tg_log10(float __x) {return log10f(__x);}

static double
    _TG_ATTRS
    __tg_log10(double __x) {return log10(__x);}

static long double
    _TG_ATTRS
    __tg_log10(long double __x) {return log10l(__x);}

#undef log10
#define log10(__x) __tg_log10(__tg_promote1((__x))(__x))

// log1p

static float
    _TG_ATTRS
    __tg_log1p(float __x) {return log1pf(__x);}

static double
    _TG_ATTRS
    __tg_log1p(double __x) {return log1p(__x);}

static long double
    _TG_ATTRS
    __tg_log1p(long double __x) {return log1pl(__x);}

#undef log1p
#define log1p(__x) __tg_log1p(__tg_promote1((__x))(__x))

// log2

static float
    _TG_ATTRS
    __tg_log2(float __x) {return log2f(__x);}

static double
    _TG_ATTRS
    __tg_log2(double __x) {return log2(__x);}

static long double
    _TG_ATTRS
    __tg_log2(long double __x) {return log2l(__x);}

#undef log2
#define log2(__x) __tg_log2(__tg_promote1((__x))(__x))

// logb

static float
    _TG_ATTRS
    __tg_logb(float __x) {return logbf(__x);}

static double
    _TG_ATTRS
    __tg_logb(double __x) {return logb(__x);}

static long double
    _TG_ATTRS
    __tg_logb(long double __x) {return logbl(__x);}

#undef logb
#define logb(__x) __tg_logb(__tg_promote1((__x))(__x))

// lrint

static long
    _TG_ATTRS
    __tg_lrint(float __x) {return lrintf(__x);}

static long
    _TG_ATTRS
    __tg_lrint(double __x) {return lrint(__x);}

static long
    _TG_ATTRS
    __tg_lrint(long double __x) {return lrintl(__x);}

#undef lrint
#define lrint(__x) __tg_lrint(__tg_promote1((__x))(__x))

// lround

static long
    _TG_ATTRS
    __tg_lround(float __x) {return lroundf(__x);}

static long
    _TG_ATTRS
    __tg_lround(double __x) {return lround(__x);}

static long
    _TG_ATTRS
    __tg_lround(long double __x) {return lroundl(__x);}

#undef lround
#define lround(__x) __tg_lround(__tg_promote1((__x))(__x))

// nearbyint

static float
    _TG_ATTRS
    __tg_nearbyint(float __x) {return nearbyintf(__x);}

static double
    _TG_ATTRS
    __tg_nearbyint(double __x) {return nearbyint(__x);}

static long double
    _TG_ATTRS
    __tg_nearbyint(long double __x) {return nearbyintl(__x);}

#undef nearbyint
#define nearbyint(__x) __tg_nearbyint(__tg_promote1((__x))(__x))

// nextafter

static float
    _TG_ATTRS
    __tg_nextafter(float __x, float __y) {return nextafterf(__x, __y);}

static double
    _TG_ATTRS
    __tg_nextafter(double __x, double __y) {return nextafter(__x, __y);}

static long double
    _TG_ATTRS
    __tg_nextafter(long double __x, long double __y) {return nextafterl(__x, __y);}

#undef nextafter
#define nextafter(__x, __y) __tg_nextafter(__tg_promote2((__x), (__y))(__x), \
                                           __tg_promote2((__x), (__y))(__y))

// nexttoward

static float
    _TG_ATTRS
    __tg_nexttoward(float __x, long double __y) {return nexttowardf(__x, __y);}

static double
    _TG_ATTRS
    __tg_nexttoward(double __x, long double __y) {return nexttoward(__x, __y);}

static long double
    _TG_ATTRS
    __tg_nexttoward(long double __x, long double __y) {return nexttowardl(__x, __y);}

#undef nexttoward
#define nexttoward(__x, __y) __tg_nexttoward(__tg_promote1((__x))(__x), (__y))

// remainder

static float
    _TG_ATTRS
    __tg_remainder(float __x, float __y) {return remainderf(__x, __y);}

static double
    _TG_ATTRS
    __tg_remainder(double __x, double __y) {return remainder(__x, __y);}

static long double
    _TG_ATTRS
    __tg_remainder(long double __x, long double __y) {return remainderl(__x, __y);}

#undef remainder
#define remainder(__x, __y) __tg_remainder(__tg_promote2((__x), (__y))(__x), \
                                           __tg_promote2((__x), (__y))(__y))

// remquo

static float
    _TG_ATTRS
    __tg_remquo(float __x, float __y, int* __z)
    {return remquof(__x, __y, __z);}

static double
    _TG_ATTRS
    __tg_remquo(double __x, double __y, int* __z)
    {return remquo(__x, __y, __z);}

static long double
    _TG_ATTRS
    __tg_remquo(long double __x,long double __y, int* __z)
    {return remquol(__x, __y, __z);}

#undef remquo
#define remquo(__x, __y, __z)                         \
        __tg_remquo(__tg_promote2((__x), (__y))(__x), \
                    __tg_promote2((__x), (__y))(__y), \
                    (__z))

// rint

static float
    _TG_ATTRS
    __tg_rint(float __x) {return rintf(__x);}

static double
    _TG_ATTRS
    __tg_rint(double __x) {return rint(__x);}

static long double
    _TG_ATTRS
    __tg_rint(long double __x) {return rintl(__x);}

#undef rint
#define rint(__x) __tg_rint(__tg_promote1((__x))(__x))

// round

static float
    _TG_ATTRS
    __tg_round(float __x) {return roundf(__x);}

static double
    _TG_ATTRS
    __tg_round(double __x) {return round(__x);}

static long double
    _TG_ATTRS
    __tg_round(long double __x) {return roundl(__x);}

#undef round
#define round(__x) __tg_round(__tg_promote1((__x))(__x))

// scalbn

static float
    _TG_ATTRS
    __tg_scalbn(float __x, int __y) {return scalbnf(__x, __y);}

static double
    _TG_ATTRS
    __tg_scalbn(double __x, int __y) {return scalbn(__x, __y);}

static long double
    _TG_ATTRS
    __tg_scalbn(long double __x, int __y) {return scalbnl(__x, __y);}

#undef scalbn
#define scalbn(__x, __y) __tg_scalbn(__tg_promote1((__x))(__x), __y)

// scalbln

static float
    _TG_ATTRS
    __tg_scalbln(float __x, long __y) {return scalblnf(__x, __y);}

static double
    _TG_ATTRS
    __tg_scalbln(double __x, long __y) {return scalbln(__x, __y);}

static long double
    _TG_ATTRS
    __tg_scalbln(long double __x, long __y) {return scalblnl(__x, __y);}

#undef scalbln
#define scalbln(__x, __y) __tg_scalbln(__tg_promote1((__x))(__x), __y)

// tgamma

static float
    _TG_ATTRS
    __tg_tgamma(float __x) {return tgammaf(__x);}

static double
    _TG_ATTRS
    __tg_tgamma(double __x) {return tgamma(__x);}

static long double
    _TG_ATTRS
    __tg_tgamma(long double __x) {return tgammal(__x);}

#undef tgamma
#define tgamma(__x) __tg_tgamma(__tg_promote1((__x))(__x))

// trunc

static float
    _TG_ATTRS
    __tg_trunc(float __x) {return truncf(__x);}

static double
    _TG_ATTRS
    __tg_trunc(double __x) {return trunc(__x);}

static long double
    _TG_ATTRS
    __tg_trunc(long double __x) {return truncl(__x);}

#undef trunc
#define trunc(__x) __tg_trunc(__tg_promote1((__x))(__x))

// carg

static float
    _TG_ATTRS
    __tg_carg(float __x) {return atan2f(0.F, __x);}

static double
    _TG_ATTRS
    __tg_carg(double __x) {return atan2(0., __x);}

static long double
    _TG_ATTRS
    __tg_carg(long double __x) {return atan2l(0.L, __x);}

static float
    _TG_ATTRS
    __tg_carg(float _Complex __x) {return cargf(__x);}

static double
    _TG_ATTRS
    __tg_carg(double _Complex __x) {return carg(__x);}

static long double
    _TG_ATTRS
    __tg_carg(long double _Complex __x) {return cargl(__x);}

#undef carg
#define carg(__x) __tg_carg(__tg_promote1((__x))(__x))

// cimag

static float
    _TG_ATTRS
    __tg_cimag(float __x) {return 0;}

static double
    _TG_ATTRS
    __tg_cimag(double __x) {return 0;}

static long double
    _TG_ATTRS
    __tg_cimag(long double __x) {return 0;}

static float
    _TG_ATTRS
    __tg_cimag(float _Complex __x) {return cimagf(__x);}

static double
    _TG_ATTRS
    __tg_cimag(double _Complex __x) {return cimag(__x);}

static long double
    _TG_ATTRS
    __tg_cimag(long double _Complex __x) {return cimagl(__x);}

#undef cimag
#define cimag(__x) __tg_cimag(__tg_promote1((__x))(__x))

// conj

static float _Complex
    _TG_ATTRS
    __tg_conj(float __x) {return __x;}

static double _Complex
    _TG_ATTRS
    __tg_conj(double __x) {return __x;}

static long double _Complex
    _TG_ATTRS
    __tg_conj(long double __x) {return __x;}

static float _Complex
    _TG_ATTRS
    __tg_conj(float _Complex __x) {return conjf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_conj(double _Complex __x) {return conj(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_conj(long double _Complex __x) {return conjl(__x);}

#undef conj
#define conj(__x) __tg_conj(__tg_promote1((__x))(__x))

// cproj

static float _Complex
    _TG_ATTRS
    __tg_cproj(float __x) {return cprojf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_cproj(double __x) {return cproj(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_cproj(long double __x) {return cprojl(__x);}

static float _Complex
    _TG_ATTRS
    __tg_cproj(float _Complex __x) {return cprojf(__x);}

static double _Complex
    _TG_ATTRS
    __tg_cproj(double _Complex __x) {return cproj(__x);}

static long double _Complex
    _TG_ATTRS
    __tg_cproj(long double _Complex __x) {return cprojl(__x);}

#undef cproj
#define cproj(__x) __tg_cproj(__tg_promote1((__x))(__x))

// creal

static float
    _TG_ATTRS
    __tg_creal(float __x) {return __x;}

static double
    _TG_ATTRS
    __tg_creal(double __x) {return __x;}

static long double
    _TG_ATTRS
    __tg_creal(long double __x) {return __x;}

static float
    _TG_ATTRS
    __tg_creal(float _Complex __x) {return crealf(__x);}

static double
    _TG_ATTRS
    __tg_creal(double _Complex __x) {return creal(__x);}

static long double
    _TG_ATTRS
    __tg_creal(long double _Complex __x) {return creall(__x);}

#undef creal
#define creal(__x) __tg_creal(__tg_promote1((__x))(__x))

#undef _TG_ATTRSp
#undef _TG_ATTRS

#endif /* __cplusplus */
#endif /* __TGMATH_H */