1.\" $NetBSD: carg.3,v 1.3 2013/01/29 02:05:09 matt Exp $ 2.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 3.Dd January 29, 2013 4.Dt CARG 3 5.Os 6.Sh NAME 7.Nm carg , 8.Nm cargf , 9.Nm cargl 10.Nd complex argument functions 11.Sh SYNOPSIS 12.In complex.h 13.Ft double 14.Fn carg "double complex z" 15.Ft float 16.Fn cargf "float complex z" 17.Ft long double 18.Fn cargl "long double complex z" 19.Sh DESCRIPTION 20These functions compute the argument (also called phase angle) 21of 22.Ar z , 23with a branch cut along the negative real axis. 24.Sh RETURN VALUES 25These functions return the value of the argument in the interval 26[\-pi,\ +pi]. 27.Sh ERRORS 28No errors are defined. 29.Sh SEE ALSO 30.Xr cimag 3 , 31.Xr conj 3 , 32.Xr cproj 3 , 33.St -p1003.1-2001 34.Aq Pa complex .h 35.Sh COPYRIGHT 36Portions of this text are reprinted and reproduced in electronic form 37from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology 38-- Portable Operating System Interface (POSIX), The Open Group Base 39Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of 40Electrical and Electronics Engineers, Inc and The Open Group. 41In the 42event of any discrepancy between this version and the original IEEE and 43The Open Group Standard, the original IEEE and The Open Group Standard 44is the referee document. 45The original Standard can be obtained online at 46http://www.opengroup.org/unix/online.html . 47