/usr/share/calc/help/arg is in apcalc-common 2.12.4.4-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | NAME
arg - argument (the angle or phase) of a complex number
SYNOPSIS
arg(x [,eps])
TYPES
x number
eps nonzero real, defaults to epsilon()
return real
DESCRIPTION
Returns the argument of x to the nearest or next to nearest multiple of
eps; the error will be less in absolute value than 0.75 * abs(eps),
but usually less than 0.5 * abs(eps).
EXAMPLE
; print arg(2), arg(2+3i, 1e-5), arg(2+3i, 1e-10), arg(2+3i, 1e-20)
0 .98279 .9827937232 .98279372324732906799
; pi = pi(1e-10); deg = pi/180; eps = deg/10000
; print arg(2+3i, eps)/deg, arg(-1 +1i, eps)/deg, arg(-1 - 1i,eps)/deg
56.3099 135 -135
LIMITS
none
LINK LIBRARY
none
SEE ALSO
conj, im, polar, re
## Copyright (C) 1999 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## @(#) $Revision: 30.1 $
## @(#) $Id: arg,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/arg,v $
##
## Under source code control: 1994/09/25 20:22:31
## File existed as early as: 1994
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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