Units.hpp

// Reaktoro is a unified framework for modeling chemically reactive systems.
//
// Copyright © 2014-2024 Allan Leal
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library. If not, see <http://www.gnu.org/licenses/>.
 
#pragma once
 
// C++ includes
#include <string>
 
namespace Reaktoro {
namespace units {
 
auto slope(const std::string& from, const std::string& to) -> double;
 
auto intercept(const std::string& from, const std::string& to) -> double;
 
auto convertible(const std::string& from, const std::string& to) -> bool;
 
template<typename T>
auto convert(const T& value, const std::string& from, const std::string& to) -> T
{
    return (from == to) ? value : value * slope(from, to) + intercept(from, to);
}
 
template<typename T>
auto seconds(const T& value, const std::string& from) -> T
{
    return convert(value, from, "s");
}
 
} // namespace units
} // namespace Reaktoro