Range.h

/* ============================================================
 *
 * Copyright (C) 2015 by Robert Haschke <rhaschke at techfak dot uni-bielefeld dot de>
 *
 * This file may be licensed under the terms of the
 * GNU Lesser General Public License Version 3 (the "LGPL"),
 * or (at your option) any later version.
 *
 * Software distributed under the License is distributed
 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the LGPL for the specific language
 * governing rights and limitations.
 *
 * You should have received a copy of the LGPL along with this
 * program. If not, go to http://www.gnu.org/licenses/lgpl.html
 * or write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The development of this software was supported by:
 *   CITEC, "Cognitive Interaction Technology" Excellence Cluster
 *     Bielefeld University
 *
 * ============================================================ */

#pragma once
#include <values.h>
#include <iostream>

namespace tactile {

class Range {
public:
	Range(float fMin = FLT_MAX, float fMax = -FLT_MAX) { init(fMin, fMax); }

	void init(float fMin = FLT_MAX, float fMax = -FLT_MAX);

	float min() const { return fMin; }
	float& min() { return fMin; }

	float max() const { return fMax; }
	float& max() { return fMax; }

	float range() const { return fMax - fMin; }

	void update(float fValue);
	void update(const Range& other);

	bool operator==(const Range& other) const;
	bool operator!=(const Range& other) const { return !(*this == other); }

private:
	float fMin, fMax;
};

::std::ostream& operator<<(::std::ostream& os, const Range& r);

}  // namespace tactile