xref: /openbsd-src/lib/libm/man/cimag.3 (revision bf198cc6eba0ca1f6d79f71e8e2243d386241fa8)
1*bf198cc6Smillert.\"	$OpenBSD: cimag.3,v 1.4 2019/01/25 00:19:25 millert Exp $
249cbc55eSmillert.\"
3*bf198cc6Smillert.\" Copyright (c) 2010 Todd C. Miller <millert@openbsd.org>
449cbc55eSmillert.\"
549cbc55eSmillert.\" Permission to use, copy, modify, and distribute this software for any
649cbc55eSmillert.\" purpose with or without fee is hereby granted, provided that the above
749cbc55eSmillert.\" copyright notice and this permission notice appear in all copies.
849cbc55eSmillert.\"
949cbc55eSmillert.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1049cbc55eSmillert.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1149cbc55eSmillert.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1249cbc55eSmillert.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1349cbc55eSmillert.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1449cbc55eSmillert.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1549cbc55eSmillert.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1649cbc55eSmillert.\"
17*bf198cc6Smillert.Dd $Mdocdate: January 25 2019 $
1849cbc55eSmillert.Dt CIMAG 3
1949cbc55eSmillert.Os
2049cbc55eSmillert.Sh NAME
2149cbc55eSmillert.Nm cimag ,
222bfdbafeSmartynas.Nm cimagf ,
232bfdbafeSmartynas.Nm cimagl
2449cbc55eSmillert.Nd compute the imaginary part of a complex number
2549cbc55eSmillert.Sh SYNOPSIS
2686f9d4cdStedu.In complex.h
2749cbc55eSmillert.Ft double
2849cbc55eSmillert.Fn cimag "double complex z"
2949cbc55eSmillert.Ft float
3049cbc55eSmillert.Fn cimagf "float complex z"
312bfdbafeSmartynas.Ft long double
322bfdbafeSmartynas.Fn cimagl "long double complex z"
3349cbc55eSmillert.Sh DESCRIPTION
3449cbc55eSmillertThe
352bfdbafeSmartynas.Fn cimag ,
3649cbc55eSmillert.Fn cimagf
372bfdbafeSmartynasand
382bfdbafeSmartynas.Fn cimagl
3949cbc55eSmillertfunctions compute the imaginary part of
4049cbc55eSmillert.Fa z .
4149cbc55eSmillert.Sh RETURN VALUES
4249cbc55eSmillertThe
432bfdbafeSmartynas.Fn cimag ,
4449cbc55eSmillert.Fn cimagf
452bfdbafeSmartynasand
462bfdbafeSmartynas.Fn cimagl
4749cbc55eSmillertfunctions return the imaginary part of the complex number
4849cbc55eSmillert.Fa z
4949cbc55eSmillertas a real number.
502bfdbafeSmartynas.Sh SEE ALSO
512bfdbafeSmartynas.Xr carg 3
5249cbc55eSmillert.Sh STANDARDS
5349cbc55eSmillertThe
542bfdbafeSmartynas.Fn cimag ,
5549cbc55eSmillert.Fn cimagf
562bfdbafeSmartynasand
572bfdbafeSmartynas.Fn cimagl
5849cbc55eSmillertfunctions conform to
5949cbc55eSmillert.St -isoC-99 .
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