mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-20 12:00:06 +00:00
ee188d555b
* sysdeps/mach/hurd/getlogin_r.c: New file.
Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com>
* io/Makefile (routines): Add ttyname_r.
* resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A.
* sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S,
sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S,
sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S,
sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S,
sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S,
sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S,
sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S,
sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S,
sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions
of `long double' math functions.
* sysdeps/libm-ieee754/k_standard.c: Add handling for errors
in long double functions.
* sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c,
sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions
of `long double' math functions.
* sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string
alias for __isinfl.
* sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c,
sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c,
sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c,
sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c,
sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c,
sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c,
sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c,
sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c,
sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c,
sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c,
sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c,
sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c,
sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions
around long double function implementations.
* sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN
to determine length of directory entry name.
* posix/Makefile (routines): Add getlogin_r.
* posix/unistd.h: Add prototype for getlogin_r.
* sysdeps/stub/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6. Stub version.
* sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of
ttyname. This avoids saving and restoring the old content.
Also use setutent_r, getutline_r and endutent_r instead of
accing UTMP file directly.
* sysdeps/unix/getlogin_r.c: New file. Reentrant version of
getlogin function, specified in P1003.1c/D6.
Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com>
* sysdeps/libm-i387/s_finitef.S: Fix mask for exponent.
* elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols
_GNU_libc_dl_{open,close,symbol} and resolve them to dl functions.
* elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global.
* elf/link.h: Declare _dl_rtld_map.
* elf/dl-lookup.c (_dl_symbol_value): New function.
* elf/link.h: Declare it.
stdio-common/vfscanf.c: Prepare for reentrant libio.
Used in reentrant libio.
848 lines
22 KiB
C
848 lines
22 KiB
C
/* @(#)k_standard.c 5.1 93/09/24 */
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#if defined(LIBM_SCCS) && !defined(lint)
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static char rcsid[] = "$NetBSD: k_standard.c,v 1.6 1995/05/10 20:46:35 jtc Exp $";
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#endif
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#include "math.h"
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#include "math_private.h"
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#include <errno.h>
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#ifndef _USE_WRITE
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#include <stdio.h> /* fputs(), stderr */
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#define WRITE2(u,v) fputs(u, stderr)
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#else /* !defined(_USE_WRITE) */
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#include <unistd.h> /* write */
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#define WRITE2(u,v) write(2, u, v)
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#undef fflush
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#endif /* !defined(_USE_WRITE) */
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#ifdef __STDC__
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static const double zero = 0.0; /* used as const */
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#else
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static double zero = 0.0; /* used as const */
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#endif
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/*
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* Standard conformance (non-IEEE) on exception cases.
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* Mapping:
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* 1 -- acos(|x|>1)
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* 2 -- asin(|x|>1)
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* 3 -- atan2(+-0,+-0)
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* 4 -- hypot overflow
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* 5 -- cosh overflow
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* 6 -- exp overflow
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* 7 -- exp underflow
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* 8 -- y0(0)
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* 9 -- y0(-ve)
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* 10-- y1(0)
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* 11-- y1(-ve)
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* 12-- yn(0)
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* 13-- yn(-ve)
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* 14-- lgamma(finite) overflow
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* 15-- lgamma(-integer)
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* 16-- log(0)
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* 17-- log(x<0)
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* 18-- log10(0)
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* 19-- log10(x<0)
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* 20-- pow(0.0,0.0)
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* 21-- pow(x,y) overflow
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* 22-- pow(x,y) underflow
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* 23-- pow(0,negative)
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* 24-- pow(neg,non-integral)
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* 25-- sinh(finite) overflow
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* 26-- sqrt(negative)
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* 27-- fmod(x,0)
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* 28-- remainder(x,0)
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* 29-- acosh(x<1)
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* 30-- atanh(|x|>1)
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* 31-- atanh(|x|=1)
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* 32-- scalb overflow
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* 33-- scalb underflow
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* 34-- j0(|x|>X_TLOSS)
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* 35-- y0(x>X_TLOSS)
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* 36-- j1(|x|>X_TLOSS)
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* 37-- y1(x>X_TLOSS)
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* 38-- jn(|x|>X_TLOSS, n)
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* 39-- yn(x>X_TLOSS, n)
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* 40-- gamma(finite) overflow
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* 41-- gamma(-integer)
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* 42-- pow(NaN,0.0)
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*/
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#ifdef __STDC__
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double __kernel_standard(double x, double y, int type)
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#else
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double __kernel_standard(x,y,type)
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double x,y; int type;
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#endif
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{
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struct exception exc;
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#ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */
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#define HUGE_VAL inf
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double inf = 0.0;
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SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */
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#endif
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#ifdef _USE_WRITE
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(void) fflush(stdout);
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#endif
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exc.arg1 = x;
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exc.arg2 = y;
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switch(type) {
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case 1:
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case 101:
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case 201:
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/* acos(|x|>1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "acos" : (type < 200
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? "acosf" : "acosl");;
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if(_LIB_VERSION == _SVID_) {
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(void) WRITE2("acos: DOMAIN error\n", 19);
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}
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errno = EDOM;
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}
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break;
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case 2:
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case 102:
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case 202:
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/* asin(|x|>1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "asin" : (type < 200
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? "asinf" : "asinl");
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exc.retval = zero;
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if(_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if(_LIB_VERSION == _SVID_) {
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(void) WRITE2("asin: DOMAIN error\n", 19);
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}
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errno = EDOM;
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}
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break;
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case 3:
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case 103:
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case 203:
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/* atan2(+-0,+-0) */
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exc.arg1 = y;
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exc.arg2 = x;
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exc.type = DOMAIN;
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exc.name = type < 100 ? "atan2" : (type < 200
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? "atan2f" : "atan2l");
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exc.retval = zero;
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if(_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if(_LIB_VERSION == _SVID_) {
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(void) WRITE2("atan2: DOMAIN error\n", 20);
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}
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errno = EDOM;
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}
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break;
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case 4:
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case 104:
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case 204:
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/* hypot(finite,finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "hypot" : (type < 200
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? "hypotf" : "hypotl");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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exc.retval = HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = ERANGE;
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else if (!matherr(&exc)) {
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errno = ERANGE;
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}
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break;
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case 5:
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case 105:
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case 205:
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/* cosh(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "cosh" : (type < 200
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? "coshf" : "coshl");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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exc.retval = HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = ERANGE;
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else if (!matherr(&exc)) {
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errno = ERANGE;
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}
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break;
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case 6:
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case 106:
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case 206:
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/* exp(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "exp" : (type < 200
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? "expf" : "expl");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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exc.retval = HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = ERANGE;
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else if (!matherr(&exc)) {
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errno = ERANGE;
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}
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break;
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case 7:
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case 107:
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case 207:
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/* exp(finite) underflow */
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exc.type = UNDERFLOW;
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exc.name = type < 100 ? "exp" : (type < 200
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? "expf" : "expl");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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errno = ERANGE;
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else if (!matherr(&exc)) {
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errno = ERANGE;
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}
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break;
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case 8:
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case 108:
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case 208:
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/* y0(0) = -inf */
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exc.type = DOMAIN; /* should be SING for IEEE */
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exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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exc.retval = -HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if (_LIB_VERSION == _SVID_) {
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(void) WRITE2("y0: DOMAIN error\n", 17);
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}
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errno = EDOM;
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}
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break;
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case 9:
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case 109:
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case 209:
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/* y0(x<0) = NaN */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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exc.retval = -HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if (_LIB_VERSION == _SVID_) {
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(void) WRITE2("y0: DOMAIN error\n", 17);
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}
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errno = EDOM;
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}
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break;
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case 10:
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case 110:
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case 210:
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/* y1(0) = -inf */
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exc.type = DOMAIN; /* should be SING for IEEE */
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exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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exc.retval = -HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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errno = EDOM;
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else if (!matherr(&exc)) {
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if (_LIB_VERSION == _SVID_) {
|
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(void) WRITE2("y1: DOMAIN error\n", 17);
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|
}
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errno = EDOM;
|
|
}
|
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break;
|
|
case 11:
|
|
case 111:
|
|
case 211:
|
|
/* y1(x<0) = NaN */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
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if (_LIB_VERSION == _SVID_)
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|
exc.retval = -HUGE;
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else
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exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("y1: DOMAIN error\n", 17);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 12:
|
|
case 112:
|
|
case 212:
|
|
/* yn(n,0) = -inf */
|
|
exc.type = DOMAIN; /* should be SING for IEEE */
|
|
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("yn: DOMAIN error\n", 17);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 13:
|
|
case 113:
|
|
case 213:
|
|
/* yn(x<0) = NaN */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("yn: DOMAIN error\n", 17);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 14:
|
|
case 114:
|
|
case 214:
|
|
/* lgamma(finite) overflow */
|
|
exc.type = OVERFLOW;
|
|
exc.name = type < 100 ? "lgamma" : (type < 200
|
|
? "lgammaf" : "lgammal");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = HUGE;
|
|
else
|
|
exc.retval = HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 15:
|
|
case 115:
|
|
case 215:
|
|
/* lgamma(-integer) or lgamma(0) */
|
|
exc.type = SING;
|
|
exc.name = type < 100 ? "lgamma" : (type < 200
|
|
? "lgammaf" : "lgammal");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = HUGE;
|
|
else
|
|
exc.retval = HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("lgamma: SING error\n", 19);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 16:
|
|
case 116:
|
|
case 216:
|
|
/* log(0) */
|
|
exc.type = SING;
|
|
exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("log: SING error\n", 16);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 17:
|
|
case 117:
|
|
case 217:
|
|
/* log(x<0) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("log: DOMAIN error\n", 18);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 18:
|
|
case 118:
|
|
case 218:
|
|
/* log10(0) */
|
|
exc.type = SING;
|
|
exc.name = type < 100 ? "log10" : (type < 200
|
|
? "log10f" : "log10l");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("log10: SING error\n", 18);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 19:
|
|
case 119:
|
|
case 219:
|
|
/* log10(x<0) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "log10" : (type < 200
|
|
? "log10f" : "log10l");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = -HUGE;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("log10: DOMAIN error\n", 20);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 20:
|
|
case 120:
|
|
case 220:
|
|
/* pow(0.0,0.0) */
|
|
/* error only if _LIB_VERSION == _SVID_ */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
|
|
else if (!matherr(&exc)) {
|
|
(void) WRITE2("pow(0,0): DOMAIN error\n", 23);
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 21:
|
|
case 121:
|
|
case 221:
|
|
/* pow(x,y) overflow */
|
|
exc.type = OVERFLOW;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
if (_LIB_VERSION == _SVID_) {
|
|
exc.retval = HUGE;
|
|
y *= 0.5;
|
|
if(x<zero&&__rint(y)!=y) exc.retval = -HUGE;
|
|
} else {
|
|
exc.retval = HUGE_VAL;
|
|
y *= 0.5;
|
|
if(x<zero&&__rint(y)!=y) exc.retval = -HUGE_VAL;
|
|
}
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 22:
|
|
case 122:
|
|
case 222:
|
|
/* pow(x,y) underflow */
|
|
exc.type = UNDERFLOW;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 23:
|
|
case 123:
|
|
case 223:
|
|
/* 0**neg */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = zero;
|
|
else
|
|
exc.retval = -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 24:
|
|
case 124:
|
|
case 224:
|
|
/* neg**non-integral */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = zero;
|
|
else
|
|
exc.retval = zero/zero; /* X/Open allow NaN */
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("neg**non-integral: DOMAIN error\n", 32);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 25:
|
|
case 125:
|
|
case 225:
|
|
/* sinh(finite) overflow */
|
|
exc.type = OVERFLOW;
|
|
exc.name = type < 100 ? "sinh" : (type < 200
|
|
? "sinhf" : "sinhl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = ( (x>zero) ? HUGE : -HUGE);
|
|
else
|
|
exc.retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL);
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 26:
|
|
case 126:
|
|
case 226:
|
|
/* sqrt(x<0) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "sqrt" : (type < 200
|
|
? "sqrtf" : "sqrtl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = zero;
|
|
else
|
|
exc.retval = zero/zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("sqrt: DOMAIN error\n", 19);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 27:
|
|
case 127:
|
|
case 227:
|
|
/* fmod(x,0) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "fmod" : (type < 200
|
|
? "fmodf" : "fmodl");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = x;
|
|
else
|
|
exc.retval = zero/zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("fmod: DOMAIN error\n", 20);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 28:
|
|
case 128:
|
|
case 228:
|
|
/* remainder(x,0) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "remainder" : (type < 200
|
|
? "remainderf"
|
|
: "remainderl");
|
|
exc.retval = zero/zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("remainder: DOMAIN error\n", 24);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 29:
|
|
case 129:
|
|
case 229:
|
|
/* acosh(x<1) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "acosh" : (type < 200
|
|
? "acoshf" : "acoshl");
|
|
exc.retval = zero/zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("acosh: DOMAIN error\n", 20);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 30:
|
|
case 130:
|
|
case 230:
|
|
/* atanh(|x|>1) */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "atanh" : (type < 200
|
|
? "atanhf" : "atanhl");
|
|
exc.retval = zero/zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("atanh: DOMAIN error\n", 20);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 31:
|
|
case 131:
|
|
case 231:
|
|
/* atanh(|x|=1) */
|
|
exc.type = SING;
|
|
exc.name = type < 100 ? "atanh" : (type < 200
|
|
? "atanhf" : "atanhl");
|
|
exc.retval = x/zero; /* sign(x)*inf */
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("atanh: SING error\n", 18);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 32:
|
|
case 132:
|
|
case 232:
|
|
/* scalb overflow; SVID also returns +-HUGE_VAL */
|
|
exc.type = OVERFLOW;
|
|
exc.name = type < 100 ? "scalb" : (type < 200
|
|
? "scalbf" : "scalbl");
|
|
exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 33:
|
|
case 133:
|
|
case 233:
|
|
/* scalb underflow */
|
|
exc.type = UNDERFLOW;
|
|
exc.name = type < 100 ? "scalb" : (type < 200
|
|
? "scalbf" : "scalbl");
|
|
exc.retval = __copysign(zero,x);
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 34:
|
|
case 134:
|
|
case 234:
|
|
/* j0(|x|>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 35:
|
|
case 135:
|
|
case 235:
|
|
/* y0(x>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 36:
|
|
case 136:
|
|
case 236:
|
|
/* j1(|x|>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 37:
|
|
case 137:
|
|
case 237:
|
|
/* y1(x>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 38:
|
|
case 138:
|
|
case 238:
|
|
/* jn(|x|>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 39:
|
|
case 139:
|
|
case 239:
|
|
/* yn(x>X_TLOSS) */
|
|
exc.type = TLOSS;
|
|
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
|
exc.retval = zero;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2(exc.name, 2);
|
|
(void) WRITE2(": TLOSS error\n", 14);
|
|
}
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 40:
|
|
case 140:
|
|
case 240:
|
|
/* gamma(finite) overflow */
|
|
exc.type = OVERFLOW;
|
|
exc.name = type < 100 ? "gamma" : (type < 200
|
|
? "gammaf" : "gammal");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = HUGE;
|
|
else
|
|
exc.retval = HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = ERANGE;
|
|
else if (!matherr(&exc)) {
|
|
errno = ERANGE;
|
|
}
|
|
break;
|
|
case 41:
|
|
case 141:
|
|
case 241:
|
|
/* gamma(-integer) or gamma(0) */
|
|
exc.type = SING;
|
|
exc.name = type < 100 ? "gamma" : (type < 200
|
|
? "gammaf" : "gammal");
|
|
if (_LIB_VERSION == _SVID_)
|
|
exc.retval = HUGE;
|
|
else
|
|
exc.retval = HUGE_VAL;
|
|
if (_LIB_VERSION == _POSIX_)
|
|
errno = EDOM;
|
|
else if (!matherr(&exc)) {
|
|
if (_LIB_VERSION == _SVID_) {
|
|
(void) WRITE2("gamma: SING error\n", 18);
|
|
}
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
case 42:
|
|
case 142:
|
|
case 242:
|
|
/* pow(NaN,0.0) */
|
|
/* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
|
|
exc.type = DOMAIN;
|
|
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
|
exc.retval = x;
|
|
if (_LIB_VERSION == _IEEE_ ||
|
|
_LIB_VERSION == _POSIX_) exc.retval = 1.0;
|
|
else if (!matherr(&exc)) {
|
|
errno = EDOM;
|
|
}
|
|
break;
|
|
}
|
|
return exc.retval;
|
|
}
|