@ISA = ('Math::PlanePath::Base::NSEW', 'Math::PlanePath');
DESCRIPTIONThis is a multi-inheritance mixin for paths which take only steps North, South, East and West by distance 1 each time. This includes for example the "SquareSpiral" and also things like the "DragonCurve" or "CCurve".
The following path descriptive methods are provided
value dx_minimum() -1 dx_maximum() 1 dy_minimum() -1 dy_maximum() 1 dsumxy_minimum() -1 dsumxy_maximum() 1 ddiffxy_minimum() -1 ddiffxy_maximum() 1 dir_maximum_dxdy() 0,-1 # maximum South
LICENSECopyright 2014, 2015, 2016 Kevin Ryde
This file is part of Math-PlanePath.
Math-PlanePath 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 3, or (at your option) any later version.
Math-PlanePath 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.
You should have received a copy of the GNU General Public License along with Math-PlanePath. If not, see <http://www.gnu.org/licenses/>.