#!/usr/bin/perl -w

# Copyright 2013 Kevin Ryde

# This file is part of Math-PlanePath-Toothpick.
#
# Math-PlanePath-Toothpick 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-Toothpick 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-Toothpick.  If not, see <http://www.gnu.org/licenses/>.


use 5.004;
use strict;
use Test;
plan tests => 4;

use lib 't','xt';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use MyOEIS;

use Math::PlanePath::LCornerReplicate;

# uncomment this to run the ### lines
#use Smart::Comments '###';


#------------------------------------------------------------------------------
# A048647 -- N at transpose Y,X

MyOEIS::compare_values
  (anum => 'A048647',
   func => sub {
     my ($count) = @_;
     my $path = Math::PlanePath::LCornerReplicate->new;
     my @got;
     for (my $n = $path->n_start; @got < $count; $n++) {
       my ($x, $y) = $path->n_to_xy ($n);
       ($x, $y) = ($y, $x);
       my $n = $path->xy_to_n ($x, $y);
       push @got, $n;
     }
     return \@got;
   });


#------------------------------------------------------------------------------
exit 0;