//
//  ConfidenceSummary.hpp
//  Clock Signal
//
//  Created by Thomas Harte on 21/01/2018.
//  Copyright 2018 Thomas Harte. All rights reserved.
//

#pragma once

#include "ConfidenceSource.hpp"

#include <vector>

namespace Analyser::Dynamic {

/*!
	Summaries a collection of confidence sources by calculating their weighted sum.
*/
class ConfidenceSummary: public ConfidenceSource {
	public:
		/*!
			Instantiates a summary that will produce the weighted sum of
			@c sources, each using the corresponding entry of @c weights.

			Requires that @c sources and @c weights are of the same length.
		*/
		ConfidenceSummary(
			const std::vector<ConfidenceSource *> &sources,
			const std::vector<float> &weights);

		/*! @returns The weighted sum of all sources. */
		float get_confidence() final;

	private:
		const std::vector<ConfidenceSource *> sources_;
		const std::vector<float> weights_;
		float weight_sum_;
};

}