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#!/usr/bin/perl -w
# Copyright 2010, 2011, 2012, 2013 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/>.
use 5.004;
use strict;
use Test;
plan tests => 4;
use lib 't','xt';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings(); }
use MyOEIS;
use List::Util 'min', 'max';
use Math::PlanePath::HypotOctant;
# uncomment this to run the ### lines
#use Smart::Comments '###';
# #------------------------------------------------------------------------------
# # A001844
#
# {
# my $anum = 'A001844';
# my ($bvalues, $lo, $filename) = MyOEIS::read_values($anum);
#
# my $diff;
# if ($bvalues) {
# my @got;
# my $path = Math::PlanePath::HypotOctant->new;
# my $i = 0;
# for (my $i = 0; @got < $count; $i++) {
# push @got, $i*$i + ($i+1)*($i+1);
# }
#
# return \@got;
# if ($diff) {
# MyTestHelpers::diag ("bvalues: ",join(',',@{$bvalues}[0..20]));
# MyTestHelpers::diag ("got: ",join(',',@got[0..20]));
# }
# }
# skip (! $bvalues,
# $diff,
# undef,
# "$anum");
# }
#------------------------------------------------------------------------------
# A057653
MyOEIS::compare_values
(anum => 'A057653',
func => sub {
my ($count) = @_;
my @got;
my $path = Math::PlanePath::HypotOctant->new (points => 'odd');
my $prev = 0;
for (my $n = $path->n_start; @got < $count; $n++) {
my $rsquared = $path->n_to_rsquared($n);
if ($rsquared != $prev) {
$prev = $rsquared;
push @got, $rsquared;
}
}
return \@got;
});
#------------------------------------------------------------------------------
# A024507
MyOEIS::compare_values
(anum => 'A024507',
func => sub {
my ($count) = @_;
my @got;
my $path = Math::PlanePath::HypotOctant->new;
my $i = 0;
for (my $n = $path->n_start; @got < $count; $n++) {
my ($x,$y) = $path->n_to_xy($n);
if ($y != 0 && $x != $y) {
push @got, $path->n_to_rsquared($n);
}
}
return \@got;
});
#------------------------------------------------------------------------------
# A024509
MyOEIS::compare_values
(anum => 'A024509',
func => sub {
my ($count) = @_;
my @got;
my $path = Math::PlanePath::HypotOctant->new;
my $i = 0;
for (my $n = $path->n_start; @got < $count; $n++) {
my ($x,$y) = $path->n_to_xy($n);
if ($y != 0) {
push @got, $path->n_to_rsquared($n);
}
}
return \@got;
});
#------------------------------------------------------------------------------
exit 0;
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