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#!/usr/bin/perl -w
# Copyright 2011, 2012 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/>.
# Usage: perl fractions-tree.pl
#
# Print the FractionsTree paths in tree form.
#
use 5.004;
use strict;
use Math::PlanePath::FractionsTree;
foreach my $tree_type ('Kepler') {
print "$tree_type tree\n";
my $path = Math::PlanePath::FractionsTree->new
(tree_type => $tree_type);
printf "%31s", '';
foreach my $n (1) {
my ($x,$y) = $path->n_to_xy($n);
print "$x/$y";
}
print "\n";
printf "%15s", '';
foreach my $n (2 .. 3) {
my ($x,$y) = $path->n_to_xy($n);
printf "%-32s", "$x/$y";
}
print "\n";
printf "%7s", '';
foreach my $n (4 .. 7) {
my ($x,$y) = $path->n_to_xy($n);
printf "%-16s", "$x/$y";
}
print "\n";
printf "%3s", '';
foreach my $n (8 .. 15) {
my ($x,$y) = $path->n_to_xy($n);
printf "%-8s", "$x/$y";
}
print "\n";
foreach my $n (16 .. 31) {
my ($x,$y) = $path->n_to_xy($n);
printf "%4s", "$x/$y";
}
print "\n";
print "\n";
}
exit 0;
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