Pull up following revision(s) (requested by gdt in ticket #1430):
include/math.h: revision 1.66 Correct C99 / C++11 feature testing. Document remaining missing symbols.
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martin
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4e08095704
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7a1e85ecf6
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@ -1,4 +1,4 @@
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/* $NetBSD: math.h,v 1.65 2018/06/24 23:55:29 christos Exp $ */
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/* $NetBSD: math.h,v 1.65.4.1 2022/02/28 16:37:34 martin Exp $ */
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/*
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* ====================================================
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@ -21,6 +21,16 @@
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#include <sys/cdefs.h>
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#include <sys/featuretest.h>
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/*
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* Missing for C99 support:
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* - MATH_ERRNO
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* - MATH_ERREXCEPT
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* - FP_FAST_FMA
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* - FP_FAST_FMAF
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* - FP_FAST_FMAL
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* - math_errhandling
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*/
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union __float_u {
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unsigned char __dummy[sizeof(float)];
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float __val;
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@ -40,7 +50,14 @@ union __long_double_u {
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or __long_double_u */
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#include <limits.h> /* for INT_{MIN,MAX} */
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#if ((_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE))
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#if (!defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE)) || ((_POSIX_C_SOURCE - 0) >= 200809L || \
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defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
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(__cplusplus - 0) >= 201103L || defined(_NETBSD_SOURCE))
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#define __MATH_C99_FEATURES
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#endif
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#ifdef __MATH_C99_FEATURES
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# if defined(__FLT_EVAL_METHOD__) && (__FLT_EVAL_METHOD__ - 0) == 0
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typedef double double_t;
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typedef float float_t;
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@ -83,12 +100,8 @@ extern const union __double_u __infinity;
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/*
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* ISO C99
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*/
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE) || \
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((__STDC_VERSION__ - 0) >= 199901L) || \
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((_POSIX_C_SOURCE - 0) >= 200112L) || \
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((_XOPEN_SOURCE - 0) >= 600) || \
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defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
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#if defined(__MATH_C99_FEATURES) || \
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(_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600
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/* 7.12#3 HUGE_VAL, HUGELF, HUGE_VALL */
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#if __GNUC_PREREQ__(3, 3)
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#define HUGE_VALF __builtin_huge_valf()
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@ -133,7 +146,7 @@ extern const union __float_u __nanf;
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#define FP_ILOGB0 INT_MIN
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#define FP_ILOGBNAN INT_MAX
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#endif /* !_ANSI_SOURCE && ... */
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#endif /* C99 || _XOPEN_SOURCE >= 600 */
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/*
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* XOPEN/SVID
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@ -238,16 +251,18 @@ double fabs(double);
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double floor(double);
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double fmod(double, double);
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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#if defined(__MATH_C99_FEATURES) || defined(_XOPEN_SOURCE)
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double erf(double);
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double erfc(double);
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double gamma(double);
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double hypot(double, double);
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#endif
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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int finite(double);
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double gamma(double);
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double j0(double);
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double j1(double);
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double jn(int, double);
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double lgamma(double);
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double y0(double);
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double y1(double);
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double yn(int, double);
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@ -260,12 +275,7 @@ double scalb(double, double);
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/*
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* ISO C99
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*/
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE) || \
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((__STDC_VERSION__ - 0) >= 199901L) || \
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((_POSIX_C_SOURCE - 0) >= 200809L) || \
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((_XOPEN_SOURCE - 0) >= 500) || \
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defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
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#if defined(__MATH_C99_FEATURES) || (_XOPEN_SOURCE - 0) >= 500
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double acosh(double);
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double asinh(double);
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double atanh(double);
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@ -279,12 +289,8 @@ double remainder(double, double);
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double rint(double);
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#endif
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE) || \
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((__STDC_VERSION__ - 0) >= 199901L) || \
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((_POSIX_C_SOURCE - 0) >= 200112L) || \
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((_XOPEN_SOURCE - 0) >= 600) || \
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defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
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#if defined(__MATH_C99_FEATURES) || (_XOPEN_SOURCE - 0) >= 600 || \
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(_POSIX_C_SOURCE - 0) >= 200112L
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/* 7.12.3.1 int fpclassify(real-floating x) */
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#define fpclassify(__x) __fpmacro_unary_floating(fpclassify, __x)
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@ -331,6 +337,8 @@ long double sinhl(long double);
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long double tanhl(long double);
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/* 7.12.6 exp / log */
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double scalbn(double, int);
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double scalbln(double, long);
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float expf(float);
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float exp2f(float);
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@ -378,6 +386,7 @@ long double sqrtl(long double);
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/* 7.12.8 error / gamma */
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double lgamma(double);
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double tgamma(double);
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float erff(float);
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float erfcf(float);
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@ -436,6 +445,7 @@ long double remquol(long double, long double, int *);
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/* 7.12.11 manipulation */
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double copysign(double, double);
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double nan(const char *);
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double nearbyint(double);
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double nexttoward(double, long double);
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@ -474,11 +484,7 @@ long double fminl(long double, long double);
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#endif /* !_ANSI_SOURCE && ... */
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
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!defined(_XOPEN_SOURCE) || \
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((__STDC_VERSION__ - 0) >= 199901L) || \
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((_POSIX_C_SOURCE - 0) >= 200112L) || \
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defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
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#if defined(__MATH_C99_FEATURES) || (_POSIX_C_SOURCE - 0) >= 200112L
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/* 7.12.3.3 int isinf(real-floating x) */
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#if defined(__isinf) || defined(__HAVE_INLINE___ISINF)
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#define isinf(__x) __isinf(__x)
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@ -504,13 +510,6 @@ int matherr(struct exception *);
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*/
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double significand(double);
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/*
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* Functions callable from C, intended to support IEEE arithmetic.
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*/
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double copysign(double, double);
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double scalbn(double, int);
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double scalbln(double, long);
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/*
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* BSD math library entry points
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*/
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