#!/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 => 1;
use lib 't','xt';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use MyOEIS;
use Math::NumSeq::DigitCountLow;
# uncomment this to run the ### lines
#use Smart::Comments '###';
#------------------------------------------------------------------------------
# A094267 -- first diffs of count low 0-bits, starting diff i=2,i=1
MyOEIS::compare_values
(anum => 'A094267',
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::DigitCountLow->new (radix => 2, digit => 0);
$seq->seek_to_i(1);
my @got;
my ($i, $prev) = $seq->next;
while (@got < $count) {
my ($i, $value) = $seq->next;
push @got, $value - $prev;
$prev = $value;
}
return \@got;
});
#------------------------------------------------------------------------------
# A067251 numbers with no trailing 0s in decimal
MyOEIS::compare_values
(anum => 'A067251',
func => sub {
my ($count) = @_;
my $seq = Math::NumSeq::DigitCountLow->new (radix => 10, digit => 0);
$seq->next; # skip i=0
my @got;
while (@got < $count) {
my ($i, $value) = $seq->next;
if ($value == 0) {
push @got, $i;
}
}
return \@got;
});
#------------------------------------------------------------------------------
exit 0;