ipiq: Add simple IPI latency measure sysctls (2)
[dragonfly.git] / lib / libm / man / complex.3
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1.\" Copyright (c) 2011 Murray Stokely <murray@FreeBSD.org>
2.\" All rights reserved.
3.\"
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5.\" modification, are permitted provided that the following conditions
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8.\" notice, this list of conditions and the following disclaimer.
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13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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25.\" $FreeBSD: head/lib/msun/man/complex.3 251121 2013-05-30 04:49:26Z das $
26.\"
27.Dd October 17, 2011
28.Dt COMPLEX 3
29.Os
30.Sh NAME
31.Nm complex
32.Nd "complex arithmetic"
33.Sh LIBRARY
34.Lb libm
35.Sh SYNOPSIS
36.In complex.h
37.Sh DESCRIPTION
38These functions support complex arithmetic in the C math library.
39.Sh "LIST OF FUNCTIONS"
40Each of the following
41.Vt "double complex"
42functions has a
43.Vt "float complex"
44counterpart with an
45.Ql f
46appended to the name and a
47.Vt "long double complex"
48counterpart with an
49.Ql l
50appended.
51As an example, the
52.Vt "float complex"
53and
54.Vt "long double complex"
55counterparts of
56.Ft double
57.Fn cabs "double complex z"
58are
59.Ft float
60.Fn cabsf "float complex z"
61and
62.Ft "long double"
63.Fn cabsl "long double complex z" ,
64respectively.
65.de Cl
66.Bl -column "csqrt" "complex absolute value (i.e. norm, modulus, magnitude)"
67.Em "Name Description"
68..
69.\" Section 7.3.5 - 7.3.7 of ISO C99 standard unimplemented, see BUGS
70.\" Section 7.3.8 of ISO C99 standard
71.Ss Absolute-value Functions
72.Cl
73cabs complex absolute value (i.e. norm, modulus, magnitude)
74csqrt complex square root
75.El
76.Ss Exponential Function
77.Cl
78cexp exponential base e
79.El
80.\" Section 7.3.9 of ISO C99 standard
81.Ss Manipulation Functions
82.Cl
83carg compute the argument (i.e. phase angle)
84cimag compute the imaginary part
85conj compute the complex conjugate
86cproj compute projection onto Riemann sphere
87creal compute the real part
88.El
89.\" Section 7.3.5-6 of ISO C99 standard
90.Ss Trigonometric and Hyperbolic Functions
91.Cl
92cacos arc cosine
93cacosh arc hyperbolic cosine
94casin arc sine
95casinh arc hyperbolic sine
96catan arc tangent
97catanh arc hyperbolic tangent
98ccos cosine
99ccosh hyperbolic cosine
100csin sine
101csinh hyperbolic sine
102ctan tangent
103ctanh hyperbolic tangent
104.El
105.Sh SEE ALSO
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106.Xr fenv 3 ,
107.Xr ieee 3 ,
52510745 108.Xr math 3 ,
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109.Xr tgmath 3
110.Rs
111.%T "ISO/IEC 9899:TC3"
d11357e8 112.%O http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
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113.Re
114.Sh STANDARDS
115The
116.In complex.h
117functions described here conform to
118.St -isoC-99 .
119.Sh BUGS
120The logarithmic functions
121.Fn clog
122and the power functions
123.Fn cpow
124are not implemented.