/usr/share/plplot_octave/polar.m is in octave-plplot 5.10.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
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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 | ## Copyright (C) 1996 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave 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
## General Public License for more details.
## usage: polar (theta, rho, fmt)
##
## Make a 2D plot given polar the coordinates theta and rho.
##
## The optional third argument specifies the line type.
## Author: jwe
## Modified: jc
function polar (x1, x2, fmt)
global __pl
strm = __pl_init;
__pl.type(strm) = -1;
if (!ishold)
__pl.items(strm) = 1;
__pl.lxm(strm) = __pl.lym(strm) = realmax;
__pl.lxM(strm) = __pl.lyM(strm) = -realmax;
endif
if (nargin == 3)
if (!ischar (fmt))
error ("polar: third argument must be a string");
endif
__plr2__ (x1, x2, fmt);
elseif (nargin == 2)
if (ischar (x2))
__plr1__ (x1, fmt);
else
fmt = "";
__plr2__ (x1, x2, fmt);
endif
elseif (nargin == 1)
fmt = "";
__plr1__ (x1, fmt);
else
usage ("polar (theta, rho, fmt)");
endif
__pl_plotit;
endfunction
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