#!/usr/bin/perl -w
# Copyright 2012, 2013 Kevin Ryde
# This file is part of Math-NumSeq.
#
# Math-NumSeq 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-NumSeq 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-NumSeq. If not, see <http://www.gnu.org/licenses/>.
use 5.004;
use strict;
use Test;
plan tests => 18;
use lib 't','xt';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use MyOEIS;
use Math::NumSeq::LuckyNumbers;
# uncomment this to run the ### lines
#use Smart::Comments '###';
#------------------------------------------------------------------------------
# A031162 - lucky and square
MyOEIS::compare_values
(anum => 'A031162',
func => sub {
my ($count) = @_;
require Math::NumSeq::Squares;
my $lucky = Math::NumSeq::LuckyNumbers->new;
my $square = Math::NumSeq::Squares->new;
my @got;
while (@got < $count) {
my ($i, $value) = $lucky->next;
if ($square->pred($value)) {
push @got, $value;
}
}
return \@got;
});
#------------------------------------------------------------------------------
# A137164 etc - Lucky with various modulo
foreach my $elem (['A137164', 0, 3],
['A137165', 1, 3],
['A137168', 1, 4],
['A137170', 3, 4],
['A137182', 0, 7],
['A137183', 1, 7],
['A137184', 2, 7],
['A137185', 3, 7],
['A137186', 4, 7],
['A137187', 5, 7],
['A137188', 6, 7],
['A137190', 1, 8],
['A137192', 3, 8],
['A137194', 5, 8],
['A137196', 7, 8],
) {
my ($anum, $target, $modulus) = @$elem;
MyOEIS::compare_values
(name => "$anum - lucky congruent to $target modulo $modulus",
anum => $anum,
max_value => 1_000_000,
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::LuckyNumbers->new;
my @got;
while (@got < $count) {
my ($i, $value) = $seq->next;
if (($value % $modulus) == $target) {
push @got, $value;
}
}
return \@got;
});
}
#------------------------------------------------------------------------------
# A118567 - Lucky with only odd digits
MyOEIS::compare_values
(anum => 'A118567',
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::LuckyNumbers->new;
my @got;
while (@got < $count) {
my ($i, $value) = $seq->next;
if ($value =~ /^[13579]+$/) {
push @got, $value;
}
}
return \@got;
});
#------------------------------------------------------------------------------
# A050505 - non-Lucky numbers
MyOEIS::compare_values
(anum => 'A050505',
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::LuckyNumbers->new;
my @got;
my ($i, $value) = $seq->next;
for (my $n = 1; @got < $count; $n++) {
if ($n < $value) {
push @got, $n;
} else {
($i, $value) = $seq->next;
}
}
return \@got;
});
#------------------------------------------------------------------------------
# A145649 - 0,1 characteristic
MyOEIS::compare_values
(anum => 'A145649',
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::LuckyNumbers->new;
my @got;
my ($i, $value) = $seq->next;
for (my $n = 1; @got < $count; $n++) {
if ($n < $value) {
push @got, 0;
} else {
push @got, 1;
($i, $value) = $seq->next;
}
}
return \@got;
});
#------------------------------------------------------------------------------
exit 0;