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\" $FreeBSD: src/lib/msun/man/trunc.3,v 1.3 2005/06/15 19:04:04 ru Exp $
\"
Dd November 13, 2013
Dt TRUNC 3
Os
Sh NAME
Nm trunc ,
Nm truncf ,
Nm truncl
Nd "nearest integral value with magnitude less than or equal to |x|"
Sh LIBRARY
Lb libm
Sh SYNOPSIS
In math.h
Ft double
Fn trunc "double x"
Ft float
Fn truncf "float x"
Ft "long double"
Fn truncl "long double x"
Sh DESCRIPTION
The
Fn trunc ,
Fn truncf ,
and
Fn truncl
functions return the nearest integral value with magnitude less than
or equal to
Pf | Fa x Ns | .
They are equivalent to
Fn rint ,
Fn rintf ,
and
Fn rintl
respectively, in the
Dv FP_RZ
rounding mode.
Sh SEE ALSO
Xr ceil 3 ,
Xr floor 3 ,
Xr fpsetround 3 ,
Xr math 3 ,
Xr nextafter 3 ,
Xr rint 3 ,
Xr round 3
Sh STANDARDS
The
Fn trunc ,
Fn truncf ,
and
Fn truncl
functions conform to
St -isoC-99 .

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