File Coverage

blib/lib/Math/PlanePath/Base/NSEW.pm

Criterion	Covered	Total	%
statement	41	41	100.0
branch			n/a
condition			n/a
subroutine	14	14	100.0
pod			n/a
total	55	55	100.0

# Copyright 2014, 2015, 2016, 2017, 2018, 2019, 2020 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 .


package Math::PlanePath::Base::NSEW;
use 5.004;
use strict;

use vars '$VERSION';
$VERSION = 128;

use constant dx_minimum => -1; # NSEW straight only
use constant dx_maximum => 1;
use constant dy_minimum => -1;
use constant dy_maximum => 1;

use constant dsumxy_minimum => -1; # NSEW straight only
use constant dsumxy_maximum => 1;
use constant ddiffxy_minimum => -1;
use constant ddiffxy_maximum => 1;
use constant dir_maximum_dxdy => (0,-1); # South

use constant 1.02;
use constant _UNDOCUMENTED__dxdy_list => (1,0,   # E
                                          0,1,   # N
                                          -1,0,  # W
                                          0,-1); # S

1;
__END__