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File: [cvs.NetBSD.org] / src / include / tgmath.h (download)

Revision 1.1, Sun Sep 28 14:57:41 2008 UTC (11 years, 6 months ago) by matt
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, uebayasi-xip-base7, uebayasi-xip-base6, uebayasi-xip-base5, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2, uebayasi-xip-base1, uebayasi-xip-base, uebayasi-xip, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, pgoyette-localcount-base, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, matt-premerge-20091211, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, localcount-20160914, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, christos-time_t-nbase, christos-time_t-base, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver
Branch point for: pgoyette-localcount, christos-time_t, bouyer-socketcan

Add the C99 header <tgmath.h>  (Type-generic math.h)
Until IEEE libm support *l (long double) we can't install it.

/*-
 * Copyright (c) 2008 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Matt Thomas <matt@3am-software.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _TGMATH_H_
#define	_TGMATH_H_

#include <math.h>
#include <complex.h>

/*
 * C99 Type-generic math (7.22)
 */
#ifdef __GNUC__
#define	__TG_CHOOSE(p, a, b)	__builtin_choose_expr((p), (a), (b))
#define	__TG_IS_EQUIV_TYPE_P(v, t)	\
	 __builtin_types_compatible_p(__typeof__(v), t)
#else
#error how does this compler do type-generic macros?
#endif

#define	__TG_IS_FCOMPLEX_P(t)	__TG_IS_EQUIV_TYPE_P(t, float complex)
#define	__TG_IS_DCOMPLEX_P(t)	__TG_IS_EQUIV_TYPE_P(t, double complex)
#define	__TG_IS_LCOMPLEX_P(t)	__TG_IS_EQUIV_TYPE_P(t, long double complex)
#define	__TG_IS_FLOAT_P(t)	__TG_IS_EQUIV_TYPE_P(t, float)
#define	__TG_IS_LDOUBLE_P(t)	__TG_IS_EQUIV_TYPE_P(t, long double)
#define	__TG_IS_FREAL_P(t)	(__TG_IS_FLOAT_P(t) || __TG_IS_FCOMPLEX_P(t))
#define	__TG_IS_LREAL_P(t)	(__TG_IS_LDOUBLE_P(t) || __TG_IS_LCOMPLEX_P(t))

#define	__TG_IS_COMPLEX_P(t)					\
	(__TG_IS_FCOMPLEX_P(t)					\
	 || __TG_IS_DCOMPLEX_P(t)				\
	 || __TG_IS_LCOMPLEX_P(t))

#define	__TG_GFN1(fn, a, ftype, ltype)				\
	__TG_CHOOSE(__TG_IS_##ftype##_P(a),			\
		    fn##f(a),					\
		    __TG_CHOOSE(__TG_IS_##ltype##_P(a),		\
				fn##l(a),			\
				fn(a)))

#define	__TG_GFN1x(fn, a, b, ftype, ltype)			\
	__TG_CHOOSE(__TG_IS_##ftype##_P(a),			\
		    fn##f((a), (b)),				\
		    __TG_CHOOSE(__TG_IS_##ltype##_P(a),		\
				fn##l((a), (b)),		\
				fn((a), (b))))

#define	__TG_GFN2(fn, a, b, ftype, ltype)			\
	__TG_CHOOSE(__TG_IS_##ftype##_P(a)			\
		    && __TG_IS_##ftype##_P(b),			\
		    fn##f((a), (b)),				\
		    __TG_CHOOSE(__TG_IS_##ltype##_P(a)		\
				|| __TG_IS_##ltype##_P(b),	\
				fn##l((a), (b)),		\
				fn((a), (b))))

#define	__TG_GFN2x(fn, a, b, c, ftype, ltype)			\
	__TG_CHOOSE(__TG_IS_##ftype##_P(a)			\
		    && __TG_IS_##ftype##_P(b),			\
		    fn##f((a), (b), (c)),			\
		    __TG_CHOOSE(__TG_IS_##ltype##_P(a)		\
				|| __TG_IS_##ltype##_P(b),	\
				fn##l((a), (b), (c)),		\
				fn((a), (b), (c))))

#define	__TG_GFN3(fn, a, b, c, ftype, ltype)			\
	__TG_CHOOSE(__TG_IS_##ftype##_P(a)			\
		    && __TG_IS_##ftype##_P(b)			\
		    && __TG_IS_##ftype##_P(c),			\
		    fn##f((a), (b), (c)),			\
		    __TG_CHOOSE(__TG_IS_##ltype##_P(a)		\
				|| __TG_IS_##ltype##_P(b)	\
				|| __TG_IS_##ltype##_P(c),	\
				fn##l((a), (b), (c)),		\
				fn((a), (b), (c))))


#define	__TG_CFN1(cfn, a)	__TG_GFN1(cfn, a, FREAL, LREAL)
#define	__TG_CFN2(cfn, a, b)	__TG_GFN2(cfn, a, b, FREAL, LREAL)

#define	__TG_FN1(fn, a)		__TG_GFN1(fn, a, FLOAT, LDOUBLE)
#define	__TG_FN1x(fn, a, b)	__TG_GFN1x(fn, a, b, FLOAT, LDOUBLE)
#define	__TG_FN2(fn, a, b)	__TG_GFN2(fn, a, b, FLOAT, LDOUBLE)
#define	__TG_FN2x(fn, a, b, c)	__TG_GFN2x(fn, a, b, c, FLOAT, LDOUBLE)
#define	__TG_FN3(fn, a, b, c)	__TG_GFN3(fn, a, b, c, FLOAT, LDOUBLE)

#define	__TG_COMPLEX(a, fn)			\
	__TG_CHOOSE(__TG_IS_COMPLEX_P(a),	\
		    __TG_CFN1(c##fn, (a)),	\
		    __TG_FN1(fn, (a)))

#define	__TG_COMPLEX1(a, cfn, fn)		\
	__TG_CHOOSE(__TG_IS_COMPLEX_P(a),	\
		    __TG_CFN1(cfn, (a)),	\
		    __TG_FN1(fn, (a)))

#define	__TG_COMPLEX2(a, b, fn)			\
	__TG_CHOOSE(__TG_IS_COMPLEX_P(a)	\
		    || __TG_IS_COMPLEX_P(b),	\
		    __TG_CFN2(c##fn, (a), (b)),	\
		    __TG_FN2(fn, (a), (b)))

#define	acos(a)		__TG_COMPLEX((a), acos)
#define	asin(a)		__TG_COMPLEX((a), asin)
#define	atan(a)		__TG_COMPLEX((a), atan)
#define	acosh(a)	__TG_COMPLEX((a), acosh)
#define	asinh(a)	__TG_COMPLEX((a), asinh)
#define	atanh(a)	__TG_COMPLEX((a), atanh)
#define	cos(a)		__TG_COMPLEX((a), cos)
#define	sin(a)		__TG_COMPLEX((a), sin)
#define	tan(a)		__TG_COMPLEX((a), tan)
#define	cosh(a)		__TG_COMPLEX((a), cosh)
#define	sinh(a)		__TG_COMPLEX((a), sinh)
#define	tanh(a)		__TG_COMPLEX((a), tanh)
#define	exp(a)		__TG_COMPLEX((a), exp)
#define	log(a)		__TG_COMPLEX((a), log)
#define	pow(a,b)	__TG_COMPLEX2((a), (b), pow)
#define	sqrt(a)		__TG_COMPLEX((a), sqrt)
#define	fabs(a)		__TG_COMPLEX1((a), cabs, fabs)

#define	atan2(a,b)	__TG_FN2(atan2, (a), (b))
#define	cbrt(a)		__TG_FN1(cbrt, (a))
#define	ceil(a)		__TG_FN1(ceil, (a))
#define	copysign(a,b)	__TG_FN2(copysign, (a), (b))
#define	erf(a)		__TG_FN1(erf, (a))
#define	erfc(a)		__TG_FN1(erfc, (a))
#define	exp2(a)		__TG_FN1(exp2, (a))
#define	expm1(a)	__TG_FN1(expm1, (a))
#define	fdim(a,b)	__TG_FN2(fdim, (a), (b))
#define	floor(a)	__TG_FN1(floor, (a))
#define	fma(a,b,c)	__TG_FN3(fma, (a), (b), (c))
#define	fmax(a,b)	__TG_FN2(fmax, (a), (b))
#define	fmin(a,b)	__TG_FN2(fmin, (a), (b))
#define	fmod(a,b)	__TG_FN2(fmod, (a), (b))
#define	frexp(a,b)	__TG_FN1x(frexp, (a), (b))
#define	hypot(a,b)	__TG_FN2(hypot, (a), (b))
#define	ilogb(a)	__TG_FN1(ilogb, (a))
#define	ldexp(a,b)	__TG_FN1x(ldexp, (a), (b))
#define	lgamma(a)	__TG_FN1(lgamma, (a))
#define	llrint(a)	__TG_FN1(llrint, (a))
#define	llround(a)	__TG_FN1(llround, (a))
#define	log10(a)	__TG_FN1(log10, (a))
#define	log1p(a)	__TG_FN1(log1p, (a))
#define	log2(a)		__TG_FN1(log2, (a))
#define	logb(a)		__TG_FN1(logb, (a))
#define	lrint(a)	__TG_FN1(lrint, (a))
#define	lround(a)	__TG_FN1(lround, (a))
#define	nearbyint(a)	__TG_FN1(nearbyint, (a))
#define	nextafter(a,b)	__TG_FN2(nextafter, (a), (b))
#define	nexttoward(a,b)	__TG_FN2(nexttoward, (a), (b))
#define	remainder(a,b)	__TG_FN2(remainder, (a), (b))
#define	remquo(a,b,c)	__TG_FN2x(remquo, (a), (b), (c))
#define	rint(a)		__TG_FN1(rint, (a))
#define	round(a)	__TG_FN1(round, (a))
#define	scalbn(a,b)	__TG_FN1x(scalbn, (a), (b))
#define	scalb1n(a,b)	__TG_FN1x(scalb1n, (a), (b))
#define	tgamma(a)	__TG_FN1(tgamma, (a))
#define	trunc(a)	__TG_FN1(trunc, (a))

#define	carg(a)		__TG_CFN1(carg, (a))
#define	cimag(a)	__TG_CFN1(cimag, (a))
#define	conj(a)		__TG_CFN1(conj, (a))
#define	cproj(a)	__TG_CFN1(cproj, (a))
#define	creal(a)	__TG_CFN1(creal, (a))

#endif /* !_TGMATH_H_ */