mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
b0d20a87b5
* Makerules (no-whole-archive): Test $(have-no-whole-archive), not $(libc_cv_ld_no_whole_archive). Sat Apr 20 17:07:17 1996 Ulrich Drepper <drepper@cygnus.com> * assert/assert.h, ctype/ctype.h, dirent/dirent.h, errno.h, grp/grp.h, io/fcntl.h, io/sys/stat.h, io/utime.h, locale/locale.h, math/math.h, misc/nlist.h, misc/sgtty.h, misc/sys/file.h, misc/sys/ioctl.h, misc/sys/uio.h, posix/sys/times.h, posix/sys/types.h, posix/sys/utsname.h, posix/sys/wait.h, posix/tar.h, posix/wordexp.h, pwd/pwd.h, resource/sys/vlimit.h, resource/sys/vtimes.h, setjmp/setjmp.h, signal/signal.h, stdio-common/printf.h, stdlib/alloca.h, stdlib/stdlib.h, string/string.h, sysdeps/generic/sigaction.h, sysdeps/generic/sigset.h, sysdeps/generic/sys/ptrace.h, sysdeps/generic/sys/ptrace.h, sysdeps/unix/bsd/osf/sigaction.h, sysdeps/unix/sysv/linux/sys/ptrace.h, sysdeps/unix/sysv/minix/sigaction.h, sysdeps/unix/sysv/sco3.2.4/sigaction.h, sysdeps/unix/sysv/sysv4/sigaction.h, sysdeps/unix/sysv/sysv4/sigset.h, termios/termios.h, time/sys/time.h, time/time.h: Fix copyright comment. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): If uids and gids are not given in stack aux vector, fetch them with syscalls.
146 lines
4.2 KiB
C
146 lines
4.2 KiB
C
/* Declarations for math functions.
|
|
Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/*
|
|
* ANSI Standard: 4.5 MATHEMATICS <math.h>
|
|
*/
|
|
|
|
#ifndef _MATH_H
|
|
|
|
#define _MATH_H 1
|
|
#include <features.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#define __need_Emath
|
|
#include <errno.h>
|
|
|
|
/* Get machine-dependent HUGE_VAL value (returned on overflow).
|
|
On all IEEE754 machines, this is +Infinity. */
|
|
#include <huge_val.h>
|
|
|
|
/* Get machine-dependent NAN value (returned for some domain errors). */
|
|
#ifdef __USE_GNU
|
|
#include <nan.h>
|
|
#endif
|
|
|
|
|
|
/* The file <mathcalls.h> contains the prototypes for all the actual
|
|
math functions. These macros are used for those prototypes, so
|
|
we can easily declare each function as both `name' and `__name',
|
|
and can declare the float versions `namef' and `__namef'. */
|
|
|
|
#define __MATHCALL(function,suffix, args) \
|
|
__MATHDECL (_Mdouble_, function,suffix, args)
|
|
#define __MATHDECL(type, function,suffix, args) \
|
|
__MATHDECL_1(type, function,suffix, args); \
|
|
__MATHDECL_1(type, __##function,suffix, args)
|
|
#define __MATHDECL_1(type, function,suffix, args) \
|
|
extern type __MATH_PRECNAME(function,suffix) args
|
|
|
|
#define _Mdouble_ double
|
|
#define __MATH_PRECNAME(name,r) name##r
|
|
#include <mathcalls.h>
|
|
#undef _Mdouble_
|
|
#undef __MATH_PRECNAME
|
|
|
|
#ifdef __USE_MISC
|
|
/* Include the file of declarations again, this type using `float'
|
|
instead of `double' and appending f to each function name. */
|
|
|
|
#define _Mdouble_ float
|
|
#define __MATH_PRECNAME(name,r) name##f##r
|
|
#include <mathcalls.h>
|
|
#undef _Mdouble_
|
|
#undef __MATH_PRECNAME
|
|
#endif
|
|
|
|
|
|
#ifdef __USE_MISC
|
|
/* Support for various different standard error handling behaviors. */
|
|
|
|
typedef enum { _IEEE_ = -1, _SVID_, _XOPEN_, _POSIX_ } _LIB_VERSION_TYPE;
|
|
|
|
/* This variable can be changed at run-time to any of the values above to
|
|
affect floating point error handling behavior (it may also be necessary
|
|
to change the hardware FPU exception settings). */
|
|
extern _LIB_VERSION_TYPE _LIB_VERSION;
|
|
#endif
|
|
|
|
|
|
#ifdef __USE_SVID
|
|
/* In SVID error handling, `matherr' is called with this description
|
|
of the exceptional condition. */
|
|
struct exception
|
|
{
|
|
int type;
|
|
char *name;
|
|
double arg1;
|
|
double arg2;
|
|
double retval;
|
|
};
|
|
|
|
extern int matherr __P ((struct exception *));
|
|
|
|
#define X_TLOSS 1.41484755040568800000e+16
|
|
|
|
/* Types of exceptions in the `type' field. */
|
|
#define DOMAIN 1
|
|
#define SING 2
|
|
#define OVERFLOW 3
|
|
#define UNDERFLOW 4
|
|
#define TLOSS 5
|
|
#define PLOSS 6
|
|
|
|
/* SVID mode specifies returning this large value instead of infinity. */
|
|
#define HUGE FLT_MAX
|
|
#include <float.h> /* Defines FLT_MAX. */
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef __USE_BSD
|
|
/* Some useful constants. */
|
|
#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) */
|
|
#endif
|
|
|
|
|
|
/* Get machine-dependent inline versions (if there are any). */
|
|
#if defined (__NO_MATH_INLINES) || defined (__OPTIMIZE__)
|
|
#include <__math.h>
|
|
#endif
|
|
|
|
|
|
__END_DECLS
|
|
|
|
|
|
#endif /* math.h */
|