#!/usr/bin/perl w
# Copyright 2011, 2012, 2013, 2014 Kevin Ryde
# This file is part of MathPlanePath.
#
# MathPlanePath 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.
#
# MathPlanePath 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 MathPlanePath. If not, see .
# Usage: perl pythagoreantree.pl
#
# Print tree diagrams used in the Math::PlanePath::PythagoreanTree docs.
#
use 5.010;
use strict;
use Math::PlanePath::PythagoreanTree;
foreach my $tree_type ('UAD','UArD','FB','UMT') {
my $str = <<"HERE";
tree_type => "$tree_type"
+> 00005
+> 00002 +> 00006
 +> 00007

 +> 00008
001 +> 00003 +> 00009
 +> 00010

 +> 00011
+> 00004 +> 00012
+> 00013
HERE
my $path = Math::PlanePath::PythagoreanTree>new(tree_type => $tree_type,
coordinates => 'AB');
$str =~ s{(\d+)}
{
my ($x,$y) = $path>n_to_xy($1);
my $len = length($1);
sprintf '%*s', $len, "$x,$y";
}ge;
print $str;
}