src/horizontal_position.cc


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/*
    Copyright (C) 2017 Carl Hetherington <cth@carlh.net>

    This program 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 2 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "horizontal_position.h"
#include <iostream>
#include <cmath>

using std::fabs;
using namespace sub;

bool
HorizontalPosition::operator== (HorizontalPosition const & other) const
{
	/* Position is the same if it's less than 1 pixel at 2K */
	return reference == other.reference && fabs(proportional - other.proportional) < (1.0 / 1998);
}