1.\" Copyright (c) 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" @(#)fabs.3 5.1 (Berkeley) 5/2/91
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\" notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\" notice, this list of conditions and the following disclaimer in the
12.\" documentation and/or other materials provided with the distribution.
13.\" 3. All advertising materials mentioning features or use of this software
14.\" must display the following acknowledgement:
15.\" This product includes software developed by the University of
16.\" California, Berkeley and its contributors.
17.\" 4. Neither the name of the University nor the names of its contributors
18.\" may be used to endorse or promote products derived from this software
19.\" without specific prior written permission.
20.\"
21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31.\" SUCH DAMAGE.
32.\"
33.\" from: @(#)fabs.3 5.1 (Berkeley) 5/2/91
| 1.\" Copyright (c) 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" @(#)fabs.3 5.1 (Berkeley) 5/2/91
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\" notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\" notice, this list of conditions and the following disclaimer in the
12.\" documentation and/or other materials provided with the distribution.
13.\" 3. All advertising materials mentioning features or use of this software
14.\" must display the following acknowledgement:
15.\" This product includes software developed by the University of
16.\" California, Berkeley and its contributors.
17.\" 4. Neither the name of the University nor the names of its contributors
18.\" may be used to endorse or promote products derived from this software
19.\" without specific prior written permission.
20.\"
21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31.\" SUCH DAMAGE.
32.\"
33.\" from: @(#)fabs.3 5.1 (Berkeley) 5/2/91
|
43.Sh SYNOPSIS
44.In math.h
45.Ft double
46.Fn fabs "double x"
47.Ft float
48.Fn fabsf "float x"
49.Sh DESCRIPTION
50The
51.Fn fabs
52and the
53.Fn fabsf
54functions compute the absolute value of a floating-point number
55.Fa x .
56.Sh RETURN VALUES
57The
58.Fn fabs
59and the
60.Fn fabsf
61functions return the absolute value of
62.Fa x .
63.Sh SEE ALSO
64.Xr abs 3 ,
65.Xr ceil 3 ,
66.Xr floor 3 ,
67.Xr ieee 3 ,
68.Xr math 3 ,
69.Xr rint 3
70.Sh STANDARDS
71The
72.Fn fabs
73function conforms to
74.St -isoC .
| 45.Sh SYNOPSIS
46.In math.h
47.Ft double
48.Fn fabs "double x"
49.Ft float
50.Fn fabsf "float x"
51.Sh DESCRIPTION
52The
53.Fn fabs
54and the
55.Fn fabsf
56functions compute the absolute value of a floating-point number
57.Fa x .
58.Sh RETURN VALUES
59The
60.Fn fabs
61and the
62.Fn fabsf
63functions return the absolute value of
64.Fa x .
65.Sh SEE ALSO
66.Xr abs 3 ,
67.Xr ceil 3 ,
68.Xr floor 3 ,
69.Xr ieee 3 ,
70.Xr math 3 ,
71.Xr rint 3
72.Sh STANDARDS
73The
74.Fn fabs
75function conforms to
76.St -isoC .
|