ipiq: Add simple IPI latency measure sysctls (2)
[dragonfly.git] / lib / libm / man / fabs.3
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1.\" Copyright (c) 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
8cecb502 4.\" @(#)fabs.3 5.1 (Berkeley) 5/2/91
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29.\" from: @(#)fabs.3 5.1 (Berkeley) 5/2/91
6ff43c94 30.\" $FreeBSD: head/lib/msun/man/fabs.3 165906 2007-01-09 01:02:06Z imp $
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8cecb502 32.Dd December 21, 2011
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33.Dt FABS 3
34.Os
35.Sh NAME
36.Nm fabs ,
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37.Nm fabsf ,
38.Nm fabsl
39.Nd floating-point absolute value functions
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40.Sh LIBRARY
41.Lb libm
42.Sh SYNOPSIS
43.In math.h
44.Ft double
45.Fn fabs "double x"
46.Ft float
47.Fn fabsf "float x"
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48.Ft long double
49.Fn fabsl "long double x"
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50.Sh DESCRIPTION
51The
8cecb502 52.Fn fabs ,
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54and
55.Fn fabsl
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56functions compute the absolute value of a floating-point number
57.Fa x .
58.Sh RETURN VALUES
59The
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60.Fn fabs ,
61.Fn fabsf
62and
63.Fn fabsl
64functions return the absolute value of
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65.Fa x .
66.Sh SEE ALSO
67.Xr abs 3 ,
68.Xr ceil 3 ,
69.Xr floor 3 ,
6ff43c94 70.Xr ieee 3 ,
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71.Xr math 3 ,
72.Xr rint 3
73.Sh STANDARDS
74The
75.Fn fabs
76function conforms to
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77.St -isoC .
78The
79.Fn fabsf
80and
81.Fn fabsl
82functions conform to
83.St -isoC-99 .