Derived.h

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/* Copyright 2019 Kristofer Björnson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COM_DAFER45_TBTK_QUANTITY_DERIVED
#define COM_DAFER45_TBTK_QUANTITY_DERIVED

#include "TBTK/Quantity/Base.h"
#include "TBTK/Quantity/Quantity.h"
#include "TBTK/TBTKMacros.h"

#include <iostream>
#include <map>
#include <string>

namespace TBTK{
namespace Quantity{

void initializeDerivedQuantities();

template<typename Units, typename Exponents>
class Derived : public Quantity<Units, Exponents>{
public:
    using IsBaseQuantity = std::false_type;
    using Quantity<Units, Exponents>::Quantity;
    using Quantity<Units, Exponents>::getConversionFactor;
    using Unit = typename Quantity<Units, Exponents>::Unit;
    using Exponent = typename Quantity<Units, Exponents>::Exponent;

    static double getConversionFactor(
        Angle::Unit angleUnit,
        Charge::Unit chargeUnit,
        Count::Unit countUnit,
        Energy::Unit energyUnit,
        Length::Unit lengthUnit,
        Temperature::Unit temperatureUnit,
        Time::Unit timeUnit
    );

    static int getExponent(Angle);

    static int getExponent(Charge);

    static int getExponent(Count);

    static int getExponent(Energy);

    static int getExponent(Length);

    static int getExponent(Temperature);

    static int getExponent(Time);
private:
    friend void initializeDerivedQuantities();
};

template<typename Units, typename Exponents>
double Derived<Units, Exponents>::getConversionFactor(
    Angle::Unit angleUnit,
    Charge::Unit chargeUnit,
    Count::Unit countUnit,
    Energy::Unit energyUnit,
    Length::Unit lengthUnit,
    Temperature::Unit temperatureUnit,
    Time::Unit timeUnit
){
    return pow(
        Angle::getConversionFactor(angleUnit),
        static_cast<int>(Exponent::Angle)
    )*pow(
        Charge::getConversionFactor(chargeUnit),
        static_cast<int>(Exponent::Charge)
    )*pow(
        Count::getConversionFactor(countUnit),
        static_cast<int>(Exponent::Count)
    )*pow(
        Energy::getConversionFactor(energyUnit),
        static_cast<int>(Exponent::Energy)
    )*pow(
        Length::getConversionFactor(lengthUnit),
        static_cast<int>(Exponent::Length)
    )*pow(
        Temperature::getConversionFactor(temperatureUnit),
        static_cast<int>(Exponent::Temperature)
    )*pow(
        Time::getConversionFactor(timeUnit),
        static_cast<int>(Exponent::Time)
    );
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Angle){
    return static_cast<int>(Exponents::Angle);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Charge){
    return static_cast<int>(Exponents::Charge);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Count){
    return static_cast<int>(Exponents::Count);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Energy){
    return static_cast<int>(Exponents::Energy);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Length){
    return static_cast<int>(Exponents::Length);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Temperature){
    return static_cast<int>(Exponents::Temperature);
}

template<typename Units, typename Exponents>
int Derived<Units, Exponents>::getExponent(Time){
    return static_cast<int>(Exponents::Time);
}

//Mass
enum class MassUnit {kg, g, mg, ug, ng, pg, fg, ag, u};
enum class MassExponent {
    Angle = 0,
    Charge = 0,
    Count = 0,
    Energy = 1,
    Length = -2,
    Temperature = 0,
    Time = 2
};
typedef Derived<MassUnit, MassExponent> Mass;

//MagneticField
enum class MagneticFieldUnit {MT, kT, T, mT, uT, nT, GG, MG, kG, G, mG, uG};
enum class MagneticFieldExponent {
    Angle = 0,
    Charge = -1,
    Count = 0,
    Energy = 1,
    Length = -2,
    Temperature = 0,
    Time = 1
};
typedef Derived<MagneticFieldUnit, MagneticFieldExponent> MagneticField;

//Voltage
enum class VoltageUnit {GV, MV, kV, V, mV, uV, nV};
enum class VoltageExponent {
    Angle = 0,
    Charge = -1,
    Count = 0,
    Energy = 1,
    Length = 0,
    Temperature = 0,
    Time = 0
};
typedef Derived<VoltageUnit, VoltageExponent> Voltage;

//Velocity
enum class VelocityUnit {};
enum class VelocityExponent {
    Angle = 0,
    Charge = 0,
    Count = 0,
    Energy = 0,
    Length = 1,
    Temperature = 0,
    Time = -1
};
typedef Derived<VelocityUnit, VelocityExponent> Velocity;

//Planck
enum class PlanckUnit {};
enum class PlanckExponent {
    Angle = 0,
    Charge = 0,
    Count = 0,
    Energy = 1,
    Length = 0,
    Temperature = 0,
    Time = 1
};
typedef Derived<PlanckUnit, PlanckExponent> Planck;

//Boltzmann
enum class BoltzmannUnit {};
enum class BoltzmannExponent{
    Angle = 0,
    Charge = 0,
    Count = 0,
    Energy = 1,
    Length = 0,
    Temperature = -1,
    Time = 0
};
typedef Derived<BoltzmannUnit, BoltzmannExponent> Boltzmann;

//Permeability
enum class PermeabilityUnit {};
enum class PermeabilityExponent {
    Angle = 0,
    Charge = -2,
    Count = 0,
    Energy = 1,
    Length = -1,
    Temperature = 0,
    Time = 2
};
typedef Derived<PermeabilityUnit, PermeabilityExponent> Permeability;

//Permittivity
enum class PermittivityUnit {};
enum class PermittivityExponent{
    Angle = 0,
    Charge = 2,
    Count = 0,
    Energy = -1,
    Length = -1,
    Temperature = 0,
    Time = 0
};
typedef Derived<PermittivityUnit, PermittivityExponent> Permittivity;

//Magneton
enum class MagnetonUnit {};
enum class MagnetonExponent{
    Angle = 0,
    Charge = 1,
    Count = 0,
    Energy = 0,
    Length = 2,
    Temperature = 0,
    Time = -1
};
typedef Derived<MagnetonUnit, MagnetonExponent> Magneton;

}; //End of namesapce Quantity
}; //End of namesapce TBTK

#endif