This change makes all the standard library and kernel headers use header guards with a consistent scheme within the reserved namespace to avoid conflicts with non-standard-library-implementation code.
199 lines
8.9 KiB
C
199 lines
8.9 KiB
C
/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas <matt@3am-software.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _INCLUDE_TGMATH_H
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#define _INCLUDE_TGMATH_H
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#include <sys/cdefs.h>
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#ifndef __sortix_libm__
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#define __sortix_libm__ 1
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#endif
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#include <math.h>
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#include <complex.h>
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/*
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* C99 Type-generic math (7.22)
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*/
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#ifdef __GNUC__
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#define __TG_CHOOSE(p, a, b) __builtin_choose_expr((p), (a), (b))
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#define __TG_IS_EQUIV_TYPE_P(v, t) \
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__builtin_types_compatible_p(__typeof__(v), t)
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#else
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#error how does this compler do type-generic macros?
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#endif
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#define __TG_IS_FCOMPLEX_P(t) __TG_IS_EQUIV_TYPE_P(t, float complex)
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#define __TG_IS_DCOMPLEX_P(t) __TG_IS_EQUIV_TYPE_P(t, double complex)
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#define __TG_IS_LCOMPLEX_P(t) __TG_IS_EQUIV_TYPE_P(t, long double complex)
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#define __TG_IS_FLOAT_P(t) __TG_IS_EQUIV_TYPE_P(t, float)
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#define __TG_IS_LDOUBLE_P(t) __TG_IS_EQUIV_TYPE_P(t, long double)
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#define __TG_IS_FREAL_P(t) (__TG_IS_FLOAT_P(t) || __TG_IS_FCOMPLEX_P(t))
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#define __TG_IS_LREAL_P(t) (__TG_IS_LDOUBLE_P(t) || __TG_IS_LCOMPLEX_P(t))
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#define __TG_IS_COMPLEX_P(t) \
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(__TG_IS_FCOMPLEX_P(t) \
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|| __TG_IS_DCOMPLEX_P(t) \
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|| __TG_IS_LCOMPLEX_P(t))
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#define __TG_GFN1(fn, a, ftype, ltype) \
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__TG_CHOOSE(__TG_IS_##ftype##_P(a), \
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fn##f(a), \
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__TG_CHOOSE(__TG_IS_##ltype##_P(a), \
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fn##l(a), \
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fn(a)))
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#define __TG_GFN1x(fn, a, b, ftype, ltype) \
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__TG_CHOOSE(__TG_IS_##ftype##_P(a), \
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fn##f((a), (b)), \
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__TG_CHOOSE(__TG_IS_##ltype##_P(a), \
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fn##l((a), (b)), \
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fn((a), (b))))
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#define __TG_GFN2(fn, a, b, ftype, ltype) \
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__TG_CHOOSE(__TG_IS_##ftype##_P(a) \
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&& __TG_IS_##ftype##_P(b), \
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fn##f((a), (b)), \
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__TG_CHOOSE(__TG_IS_##ltype##_P(a) \
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|| __TG_IS_##ltype##_P(b), \
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fn##l((a), (b)), \
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fn((a), (b))))
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#define __TG_GFN2x(fn, a, b, c, ftype, ltype) \
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__TG_CHOOSE(__TG_IS_##ftype##_P(a) \
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&& __TG_IS_##ftype##_P(b), \
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fn##f((a), (b), (c)), \
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__TG_CHOOSE(__TG_IS_##ltype##_P(a) \
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|| __TG_IS_##ltype##_P(b), \
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fn##l((a), (b), (c)), \
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fn((a), (b), (c))))
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#define __TG_GFN3(fn, a, b, c, ftype, ltype) \
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__TG_CHOOSE(__TG_IS_##ftype##_P(a) \
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&& __TG_IS_##ftype##_P(b) \
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&& __TG_IS_##ftype##_P(c), \
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fn##f((a), (b), (c)), \
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__TG_CHOOSE(__TG_IS_##ltype##_P(a) \
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|| __TG_IS_##ltype##_P(b) \
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|| __TG_IS_##ltype##_P(c), \
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fn##l((a), (b), (c)), \
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fn((a), (b), (c))))
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#define __TG_CFN1(cfn, a) __TG_GFN1(cfn, a, FREAL, LREAL)
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#define __TG_CFN2(cfn, a, b) __TG_GFN2(cfn, a, b, FREAL, LREAL)
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#define __TG_FN1(fn, a) __TG_GFN1(fn, a, FLOAT, LDOUBLE)
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#define __TG_FN1x(fn, a, b) __TG_GFN1x(fn, a, b, FLOAT, LDOUBLE)
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#define __TG_FN2(fn, a, b) __TG_GFN2(fn, a, b, FLOAT, LDOUBLE)
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#define __TG_FN2x(fn, a, b, c) __TG_GFN2x(fn, a, b, c, FLOAT, LDOUBLE)
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#define __TG_FN3(fn, a, b, c) __TG_GFN3(fn, a, b, c, FLOAT, LDOUBLE)
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#define __TG_COMPLEX(a, fn) \
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__TG_CHOOSE(__TG_IS_COMPLEX_P(a), \
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__TG_CFN1(c##fn, (a)), \
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__TG_FN1(fn, (a)))
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#define __TG_COMPLEX1(a, cfn, fn) \
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__TG_CHOOSE(__TG_IS_COMPLEX_P(a), \
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__TG_CFN1(cfn, (a)), \
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__TG_FN1(fn, (a)))
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#define __TG_COMPLEX2(a, b, fn) \
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__TG_CHOOSE(__TG_IS_COMPLEX_P(a) \
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|| __TG_IS_COMPLEX_P(b), \
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__TG_CFN2(c##fn, (a), (b)), \
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__TG_FN2(fn, (a), (b)))
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#define acos(a) __TG_COMPLEX((a), acos)
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#define asin(a) __TG_COMPLEX((a), asin)
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#define atan(a) __TG_COMPLEX((a), atan)
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#define acosh(a) __TG_COMPLEX((a), acosh)
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#define asinh(a) __TG_COMPLEX((a), asinh)
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#define atanh(a) __TG_COMPLEX((a), atanh)
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#define cos(a) __TG_COMPLEX((a), cos)
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#define sin(a) __TG_COMPLEX((a), sin)
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#define tan(a) __TG_COMPLEX((a), tan)
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#define cosh(a) __TG_COMPLEX((a), cosh)
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#define sinh(a) __TG_COMPLEX((a), sinh)
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#define tanh(a) __TG_COMPLEX((a), tanh)
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#define exp(a) __TG_COMPLEX((a), exp)
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#define log(a) __TG_COMPLEX((a), log)
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#define pow(a,b) __TG_COMPLEX2((a), (b), pow)
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#define sqrt(a) __TG_COMPLEX((a), sqrt)
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#define fabs(a) __TG_COMPLEX1((a), cabs, fabs)
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#define atan2(a,b) __TG_FN2(atan2, (a), (b))
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#define cbrt(a) __TG_FN1(cbrt, (a))
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#define ceil(a) __TG_FN1(ceil, (a))
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#define copysign(a,b) __TG_FN2(copysign, (a), (b))
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#define erf(a) __TG_FN1(erf, (a))
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#define erfc(a) __TG_FN1(erfc, (a))
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#define exp2(a) __TG_FN1(exp2, (a))
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#define expm1(a) __TG_FN1(expm1, (a))
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#define fdim(a,b) __TG_FN2(fdim, (a), (b))
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#define floor(a) __TG_FN1(floor, (a))
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#define fma(a,b,c) __TG_FN3(fma, (a), (b), (c))
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#define fmax(a,b) __TG_FN2(fmax, (a), (b))
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#define fmin(a,b) __TG_FN2(fmin, (a), (b))
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#define fmod(a,b) __TG_FN2(fmod, (a), (b))
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#define frexp(a,b) __TG_FN1x(frexp, (a), (b))
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#define hypot(a,b) __TG_FN2(hypot, (a), (b))
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#define ilogb(a) __TG_FN1(ilogb, (a))
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#define ldexp(a,b) __TG_FN1x(ldexp, (a), (b))
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#define lgamma(a) __TG_FN1(lgamma, (a))
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#define llrint(a) __TG_FN1(llrint, (a))
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#define llround(a) __TG_FN1(llround, (a))
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#define log10(a) __TG_FN1(log10, (a))
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#define log1p(a) __TG_FN1(log1p, (a))
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#define log2(a) __TG_FN1(log2, (a))
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#define logb(a) __TG_FN1(logb, (a))
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#define lrint(a) __TG_FN1(lrint, (a))
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#define lround(a) __TG_FN1(lround, (a))
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#define nearbyint(a) __TG_FN1(nearbyint, (a))
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#define nextafter(a,b) __TG_FN2(nextafter, (a), (b))
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#define nexttoward(a,b) __TG_FN2(nexttoward, (a), (b))
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#define remainder(a,b) __TG_FN2(remainder, (a), (b))
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#define remquo(a,b,c) __TG_FN2x(remquo, (a), (b), (c))
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#define rint(a) __TG_FN1(rint, (a))
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#define round(a) __TG_FN1(round, (a))
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#define scalbn(a,b) __TG_FN1x(scalbn, (a), (b))
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#define scalb1n(a,b) __TG_FN1x(scalb1n, (a), (b))
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#define tgamma(a) __TG_FN1(tgamma, (a))
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#define trunc(a) __TG_FN1(trunc, (a))
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#define carg(a) __TG_CFN1(carg, (a))
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#define cimag(a) __TG_CFN1(cimag, (a))
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#define conj(a) __TG_CFN1(conj, (a))
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#define cproj(a) __TG_CFN1(cproj, (a))
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#define creal(a) __TG_CFN1(creal, (a))
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#endif /* !_TGMATH_H_ */
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