.\" $OpenBSD: cimag.3,v 1.4 2019/01/25 00:19:25 millert Exp $ .\" .\" Copyright (c) 2010 Todd C. Miller .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: January 25 2019 $ .Dt CIMAG 3 .Os .Sh NAME .Nm cimag , .Nm cimagf , .Nm cimagl .Nd compute the imaginary part of a complex number .Sh SYNOPSIS .In complex.h .Ft double .Fn cimag "double complex z" .Ft float .Fn cimagf "float complex z" .Ft long double .Fn cimagl "long double complex z" .Sh DESCRIPTION The .Fn cimag , .Fn cimagf and .Fn cimagl functions compute the imaginary part of .Fa z . .Sh RETURN VALUES The .Fn cimag , .Fn cimagf and .Fn cimagl functions return the imaginary part of the complex number .Fa z as a real number. .Sh SEE ALSO .Xr carg 3 .Sh STANDARDS The .Fn cimag , .Fn cimagf and .Fn cimagl functions conform to .St -isoC-99 .