floor.3 (a9a0bf07f3f18041b1f827b098a6106ac6705abb) floor.3 (7e2ee1f0651c48f73300dcec2517c04af01544f3)
1.\" Copyright (c) 1985, 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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32.\" from: @(#)floor.3 6.5 (Berkeley) 4/19/91
33.\" $FreeBSD$
34.\"
35.Dd March 10, 1994
36.Dt FLOOR 3
37.Os
38.Sh NAME
39.Nm floor ,
1.\" Copyright (c) 1985, 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 23 unchanged lines hidden (view full) ---

32.\" from: @(#)floor.3 6.5 (Berkeley) 4/19/91
33.\" $FreeBSD$
34.\"
35.Dd March 10, 1994
36.Dt FLOOR 3
37.Os
38.Sh NAME
39.Nm floor ,
40.Nm floorf
40.Nm floorf ,
41.Nm floorl
41.Nd largest integral value less than or equal to x
42.Sh LIBRARY
43.Lb libm
44.Sh SYNOPSIS
45.In math.h
46.Ft double
47.Fn floor "double x"
48.Ft float
49.Fn floorf "float x"
42.Nd largest integral value less than or equal to x
43.Sh LIBRARY
44.Lb libm
45.Sh SYNOPSIS
46.In math.h
47.Ft double
48.Fn floor "double x"
49.Ft float
50.Fn floorf "float x"
51.Ft long double
52.Fn floorl "long double x"
50.Sh DESCRIPTION
51The
53.Sh DESCRIPTION
54The
52.Fn floor
53and the
55.Fn floor ,
56the
54.Fn floorf
57.Fn floorf
58and the
59.Fn floorl
55functions return the largest integral value
56less than or equal to
57.Fa x ,
58expressed as a floating-point number.
59.Sh SEE ALSO
60.Xr abs 3 ,
61.Xr ceil 3 ,
62.Xr fabs 3 ,
63.Xr ieee 3 ,
64.Xr math 3 ,
65.Xr rint 3 ,
66.Xr round 3 ,
67.Xr trunc 3
68.Sh STANDARDS
69The
70.Fn floor
71function conforms to
72.St -isoC .
60functions return the largest integral value
61less than or equal to
62.Fa x ,
63expressed as a floating-point number.
64.Sh SEE ALSO
65.Xr abs 3 ,
66.Xr ceil 3 ,
67.Xr fabs 3 ,
68.Xr ieee 3 ,
69.Xr math 3 ,
70.Xr rint 3 ,
71.Xr round 3 ,
72.Xr trunc 3
73.Sh STANDARDS
74The
75.Fn floor
76function conforms to
77.St -isoC .
78The
79.Fn floorf
80and the
81.Fn floorl
82functions conform to
83.St -isoC-99 .