/*
 * Range.hh
 *
 *  Created on: 20 nov. 2013
 *      Author: CS
 */

#ifndef RANGE_HH_
#define RANGE_HH_

#include <utility>
#include <cmath>
#include <string>
#include <ostream>

namespace plot {

class Range {
public:
	Range() :
			_extend(true), _range(nan(""), nan("")) {
	}
	Range(double min, double max) :
			_extend(true), _range(min, max) {
	}

	Range(const Range& pRange) :
				_extend(pRange._extend), _range(pRange._range) {
	}
	virtual ~Range() {
	}

	double getMin() const {
		return _range.first;
	}
	double getMax() const {
		return _range.second;
	}

	void setMin(double min) {
		_range.first = min;
	}
	void setMax(double max) {
		_range.second = max;
	}

	bool isSet() {
		return !std::isnan(_range.first) || !std::isnan(_range.second);
	}

	void dump(std::ostream& out, std::string& prefix) {
		out << prefix << "range.min=" << getMin() << std::endl;
		out << prefix << "range.max=" << getMax() << std::endl;
	}

	bool _extend;

private:
	std::pair<double, double> _range;
};

inline std::ostream& operator <<(std::ostream& out, const Range& range) {
	out << "[" << range.getMin() << ", " << range.getMax() << "]" << std::endl;
	return out;
}

double extend2UpperValue(double lValue);

double extend2LowerValue(double lValue);

Range extendRange(Range pRange);

} /* namespace plot */
#endif /* RANGE_HH_ */