/* Copyright 2022 Signalsmith Audio Ltd. / Geraint Luff
Released under the Boost Software License (see LICENSE.txt) */
#ifndef SIGNALSMITH_UNITS_H
#define SIGNALSMITH_UNITS_H

#include <cmath>

namespace signalsmith { namespace units {

	static double dbToGain(double db) {
		return std::pow(10, db*0.05);
	}
	static double gainToDb(double gain) {
		return std::log10(std::max<double>(gain, 1e-10))*20;
	}
	static double pcToRatio(double percent) {
		return percent*0.01;
	}
	static double ratioToPc(double linear) {
		return linear*100;
	}

}} // namespace
#endif // include guard