1*86f9d4cdStedu.\" $OpenBSD: carg.3,v 1.2 2013/06/05 03:40:26 tedu Exp $ 22bfdbafeSmartynas.\" 32bfdbafeSmartynas.\" Copyright (c) 2011 Martynas Venckus <martynas@openbsd.org> 42bfdbafeSmartynas.\" 52bfdbafeSmartynas.\" Permission to use, copy, modify, and distribute this software for any 62bfdbafeSmartynas.\" purpose with or without fee is hereby granted, provided that the above 72bfdbafeSmartynas.\" copyright notice and this permission notice appear in all copies. 82bfdbafeSmartynas.\" 92bfdbafeSmartynas.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 102bfdbafeSmartynas.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 112bfdbafeSmartynas.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 122bfdbafeSmartynas.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 132bfdbafeSmartynas.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 142bfdbafeSmartynas.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 152bfdbafeSmartynas.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 162bfdbafeSmartynas.\" 17*86f9d4cdStedu.Dd $Mdocdate: June 5 2013 $ 182bfdbafeSmartynas.Dt CARG 3 192bfdbafeSmartynas.Os 202bfdbafeSmartynas.Sh NAME 212bfdbafeSmartynas.Nm carg , 222bfdbafeSmartynas.Nm cargf , 232bfdbafeSmartynas.Nm cargl 242bfdbafeSmartynas.Nd complex argument functions 252bfdbafeSmartynas.Sh SYNOPSIS 26*86f9d4cdStedu.In complex.h 272bfdbafeSmartynas.Ft double 282bfdbafeSmartynas.Fn carg "double complex z" 292bfdbafeSmartynas.Ft float 302bfdbafeSmartynas.Fn cargf "float complex z" 312bfdbafeSmartynas.Ft long double 322bfdbafeSmartynas.Fn cargl "long double complex z" 332bfdbafeSmartynas.Sh DESCRIPTION 342bfdbafeSmartynasThe 352bfdbafeSmartynas.Fn carg , 362bfdbafeSmartynas.Fn cargf 372bfdbafeSmartynasand 382bfdbafeSmartynas.Fn cargl 392bfdbafeSmartynasfunctions compute the argument (also called phase angle) of 402bfdbafeSmartynas.Fa z , 412bfdbafeSmartynaswith a branch cut on the negative real axis. 422bfdbafeSmartynas.Sh RETURN VALUES 432bfdbafeSmartynasThe 442bfdbafeSmartynas.Fn carg , 452bfdbafeSmartynas.Fn cargf 462bfdbafeSmartynasand 472bfdbafeSmartynas.Fn cargl 482bfdbafeSmartynasfunctions return the argument in the interval 492bfdbafeSmartynas.Bq -Pi, Pi . 502bfdbafeSmartynas.Sh SEE ALSO 512bfdbafeSmartynas.Xr cimag 3 522bfdbafeSmartynas.Sh STANDARDS 532bfdbafeSmartynasThe 542bfdbafeSmartynas.Fn carg , 552bfdbafeSmartynas.Fn cargf 562bfdbafeSmartynasand 572bfdbafeSmartynas.Fn cargl 582bfdbafeSmartynasfunctions conform to 592bfdbafeSmartynas.St -isoC-99 . 60