xref: /freebsd/lib/msun/man/floor.3 (revision 7e2ee1f0651c48f73300dcec2517c04af01544f3)

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.\"     from: @(#)floor.3	6.5 (Berkeley) 4/19/91
.\" $FreeBSD$
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.Dd March 10, 1994
.Dt FLOOR 3
.Os
.Sh NAME
.Nm floor ,
.Nm floorf ,
.Nm floorl
.Nd largest integral value less than or equal to x
.Sh LIBRARY
.Lb libm
.Sh SYNOPSIS
.In math.h
.Ft double
.Fn floor "double x"
.Ft float
.Fn floorf "float x"
.Ft long double
.Fn floorl "long double x"
.Sh DESCRIPTION
The
.Fn floor ,
the
.Fn floorf
and the
.Fn floorl
functions return the largest integral value
less than or equal to
.Fa x ,
expressed as a floating-point number.
.Sh SEE ALSO
.Xr abs 3 ,
.Xr ceil 3 ,
.Xr fabs 3 ,
.Xr ieee 3 ,
.Xr math 3 ,
.Xr rint 3 ,
.Xr round 3 ,
.Xr trunc 3
.Sh STANDARDS
The
.Fn floor
function conforms to
.St -isoC .
The
.Fn floorf
and the
.Fn floorl
functions conform to
.St -isoC-99 .