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.\"     from: @(#)rint.3	5.1 (Berkeley) 5/2/91
.\" %FreeBSD: src/lib/msun/man/rint.3,v 1.6.2.2 2001/12/17 10:08:36 ru Exp %
.\"
.\" $FreeBSD$
.Dd March 10, 1994
.Dt RINT 3
.Os
.Sh 名称
.Nm rint ,
.Nm rintf
.Nd 浮動小数点形式で整数値への丸め
.Sh ライブラリ
.Lb libm
.Sh 書式
.In math.h
.Ft double
.Fn rint "double x"
.Ft float
.Fn rintf "float x"
.Sh 解説
.Fn rint
および
.Fn rintf
関数は、広く行なわれている丸め方法に従って、
(倍精度数または単精度数として表現される)
.Fa x   
に最も近い整数値を返します。
.Sh 関連項目
.Xr abs 3 ,
.Xr ceil 3 ,
.Xr fabs 3 ,
.Xr floor 3 ,
.Xr ieee 3 ,
.Xr math 3
.Sh 歴史
.Fn rint
関数は、
.At v6
で登場しました。