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.\" Copyright 2004 Andries Brouwer <aeb@cwi.nl>.
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 2005 Yuichi SATO
.\" all rights reserved.
.\" Translated Thu Jan 27 00:33:04 JST 2005
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH INFINITY 3 2004-10-31 "" "Linux Programmer's Manual"
.SH ̾
INFINITY, NAN, HUGE_VAL, HUGE_VALF, HUGE_VALL - ư
.SH
.nf
#define _ISOC99_SOURCE
.br
.B #include <math.h>
.sp
.B INFINITY
.sp
.B NAN
.sp
.B HUGE_VAL
.br
.B HUGE_VALF
.br
.B HUGE_VALL
.fi
.SH
ޥ
.B INFINITY
̵ɽưŸ롣
(ݡȤƤ) ޥ
.B NAN
quiet NaN ɽưŸ롣
.I quiet
NaN ϷǻȤ줿Ȥ㳰ʤ
NaN ("not-a-number") Ǥ롣
ȿФ
.I signalling
NaN Ǥ롣
IEC 60559:1989 Ȥ뤳ȡ
ޥ
.BR HUGE_VAL ,
.BR HUGE_VALF ,
.BR HUGE_VALL
Ϥ줾 double, float, long double ǡ
礭ͤɽǽʾˤ̵ɽ
.SH ͭ
glibc ƥǤϥޥ HUGE_VAL ˻ѲǽǤ롣
NAN ޥѤǤ뤫ϡ
.B "#ifdef NAN"
ȤäƥƥȤǤ롣
INFINITY, HUGE_VALF, HUGE_VALL ƱͤǤ롣
_ISOC99_SOURCE ޤ _GNU_SOURCE Ƥ硢
ޤ __STDC_VERSION__ Ƥơͤ 199901L ʾǤ硢
Υޥ
.I <math.h>
롣
.SH
C99
.SH Ϣ
.BR fpclassify (3)
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