cexp.3 (98e0ffaefb0f241cda3a72395d3be04192ae0d47) cexp.3 (046e2d5db1e8afd2d09ea28e5d2a7550535d4b77)
1.\" Copyright (c) 2011 David Schultz <das@FreeBSD.org>
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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20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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23.\" SUCH DAMAGE.
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25.\" $FreeBSD$
26.\"
1.\" Copyright (c) 2011 David Schultz <das@FreeBSD.org>
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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19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.\" $FreeBSD$
26.\"
27.Dd March 6, 2011
27.Dd November 3, 2021
28.Dt CEXP 3
29.Os
30.Sh NAME
31.Nm cexp ,
28.Dt CEXP 3
29.Os
30.Sh NAME
31.Nm cexp ,
32.Nm cexpf
32.Nm cexpf ,
33.Nm cexpl
33.Nd complex exponential functions
34.Sh LIBRARY
35.Lb libm
36.Sh SYNOPSIS
37.In complex.h
38.Ft double complex
39.Fn cexp "double complex z"
40.Ft float complex
41.Fn cexpf "float complex z"
34.Nd complex exponential functions
35.Sh LIBRARY
36.Lb libm
37.Sh SYNOPSIS
38.In complex.h
39.Ft double complex
40.Fn cexp "double complex z"
41.Ft float complex
42.Fn cexpf "float complex z"
43.Ft long double complex
44.Fn cexpl "long double complex z"
42.Sh DESCRIPTION
43The
45.Sh DESCRIPTION
46The
44.Fn cexp
47.Fn cexp ,
48.Fn cexpf ,
45and
49and
46.Fn cexpf
50.Fn cexpl
47functions compute the complex exponential of
48.Fa z ,
49also known as
50.Em cis Ns ( Ns
51.Fa z Ns ) .
52.Sh RETURN VALUES
53For real numbers
54.Fa x

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101.Fa y
102is not finite, the sign of the result is indeterminate.
103.Sh SEE ALSO
104.Xr complex 3 ,
105.Xr exp 3 ,
106.Xr math 3
107.Sh STANDARDS
108The
51functions compute the complex exponential of
52.Fa z ,
53also known as
54.Em cis Ns ( Ns
55.Fa z Ns ) .
56.Sh RETURN VALUES
57For real numbers
58.Fa x

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105.Fa y
106is not finite, the sign of the result is indeterminate.
107.Sh SEE ALSO
108.Xr complex 3 ,
109.Xr exp 3 ,
110.Xr math 3
111.Sh STANDARDS
112The
109.Fn cexp
113.Fn cexp ,
114.Fn cexpf ,
110and
115and
111.Fn cexpf
116.Fn cexpl
112functions conform to
113.St -isoC-99 .
117functions conform to
118.St -isoC-99 .