doc/documentation/manual-pages/ja/man3/ieee.3

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.\"     from: @(#)ieee.3	6.4 (Berkeley) 5/6/91
.\" %FreeBSD: src/lib/msun/man/ieee.3,v 1.5.2.4 2001/08/17 15:43:08 ru Exp %
.\"
.\" $FreeBSD$
.Dd February 25, 1994
.Dt IEEE 3
.Os
.Sh ̾<EFBFBD><EFBFBD>
.Nm copysign ,
.Nm copysignf ,
.Nm finite ,
.Nm finitef ,
.Nm ilogb ,
.Nm ilogbf ,
.Nm nextafter ,
.Nm nextafterf ,
.Nm remainder ,
.Nm remainderf ,
.Nm scalbn ,
.Nm scalbnf
.Nd IEEE <EFBFBD>黻<EFBFBD>ؿ<EFBFBD>
.Sh <EFBFBD>饤<EFBFBD>֥<EFBFBD><EFBFBD><EFBFBD>
.Lb libm
.Sh <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.In math.h
.Ft double
.Fn copysign "double x" "double y"
.Ft float
.Fn copysignf "float x" "float y"
.Ft int
.Fn finite "double x"
.Ft int
.Fn finitef "float x"
.Ft int
.Fn ilogb "double x"
.Ft int
.Fn ilogbf "float x"
.Ft double
.Fn nextafter "double x" "double y"
.Ft float
.Fn nextafterf "float x" "float y"
.Ft double
.Fn remainder "double x" "double y"
.Ft float
.Fn remainderf "float x" "float y"
.Ft double
.Fn scalbn "double x" "int n"
.Ft float
.Fn scalbnf "float x" "int n"
.Sh <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δؿ<EFBFBD><EFBFBD>ϡ<EFBFBD>
.St -ieee754
<EFBFBD>ˤ<EFBFBD><EFBFBD>ä<EFBFBD><EFBFBD>׵<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD>Ͽ侩<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Pp
.Fn copysign
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn copysignf
<EFBFBD>ϡ<EFBFBD>
.Fa x
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fa y
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fa x
<EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Pp
\-\*(If \*(Lt
.Fa x
\*(Lt +\*(If
<EFBFBD>λ<EFBFBD><EFBFBD>ˤϡ<EFBFBD>
.Fn finite
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn finitef
<EFBFBD>ϡ<EFBFBD><EFBFBD><EFBFBD> 1 <20><><EFBFBD>֤<EFBFBD><D6A4>ޤ<EFBFBD><DEA4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥʤ<C7A4><CAA4><EFBFBD> (
.Pf \\*(Ba Ns Fa x Ns \\*(Ba
= \*(If <20>ޤ<EFBFBD><DEA4><EFBFBD>
.Fa x
<EFBFBD><EFBFBD> \*(Na <20>λ<EFBFBD>) <20>ˤϡ<CBA4>0 <20><><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>ޤ<EFBFBD><DEA4><EFBFBD>
.Pp
.Fn ilogb
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn ilogbf
<EFBFBD>ϡ<EFBFBD>
.Fa x
<EFBFBD><EFBFBD>
.Fa n
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Fn ilogb \*(Pm\*(If
<EFBFBD><EFBFBD>
.Dv INT_MAX
<EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD>
.Fn ilogb 0
<EFBFBD><EFBFBD>
.Dv INT_MIN
<EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Pp
.Fn nextafter
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn nextafterf
<EFBFBD>ϡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Υޥ<EFBFBD><EFBFBD><EFBFBD>ɽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD>ʿ<EFBFBD><EFBFBD><EFBFBD>
.Fa x
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fa y
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Pp
.Fn remainder
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn remainderf
<EFBFBD>ϡ<EFBFBD><EFBFBD><EFBFBD>;
.Fa r
:=
.Fa x
\-
.Fa n\(**y
<EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΤȤ<EFBFBD>
.Fa n
<EFBFBD><EFBFBD>
.Bk -words
.Fa x Ns / Ns Fa y
.Ek
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Τ<EFBFBD><EFBFBD>ͤ˺Ǥ<EFBFBD><EFBFBD>ᤤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˡ<EFBFBD>
.Pf \\*(Ba Fa n
\-
.Sm off
.Fa x No / Fa y No \\*(Ba
.Sm on
=
1/2
<EFBFBD>ʤ<EFBFBD><EFBFBD>С<EFBFBD>
.Fa n
<EFBFBD>϶<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>η<EFBFBD><EFBFBD>̡<EFBFBD><EFBFBD><EFBFBD>;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Τ˷׻<EFBFBD><EFBFBD><EFBFBD><EFBFBD>졢
.Sm off
.Pf \\*(Ba Fa r No \\*(Ba
.Sm on
\*(Le
.Sm off
.Pf \\*(Ba Fa y No \\*(Ba/2
.Sm on
<EFBFBD>Ȥʤ<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn remainder x 0
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn remainder \*(If 0
<EFBFBD>ϡ<EFBFBD>\*(Na <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><CCB5><EFBFBD>ʱ黻<CAB1>Ǥ<EFBFBD><C7A4><EFBFBD>
.Pp
.Fn scalbn
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Fn scalbnf
<EFBFBD>ϡ<EFBFBD><EFBFBD>ؿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˤ<EFBFBD><EFBFBD>äƷ׻<EFBFBD><EFBFBD><EFBFBD><EFBFBD>줿
.Fa x Ns \(**(2** Ns Fa n )
<EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD>
.Sh <EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Xr math 3
.Sh <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Nm ieee
<EFBFBD>ؿ<EFBFBD><EFBFBD>ϡ<EFBFBD>
.Bx 4.3
<EFBFBD><EFBFBD><EFBFBD>о줷<EFBFBD>ޤ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.Sh <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
.St -ieee754