TFraction.h

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#pragma once
 
#include "Math/math_fwd.h"
 
#include <Common/assertion.h>
#include <Common/primitive_type.h>
 
#include <utility>
#include <type_traits>
 
namespace ph::math
{
 
template<typename T>
class TFraction final
{
public:
    constexpr inline TFraction() = default;
    constexpr TFraction(T nume, T deno);
 
    // TODO: arithemtics
 
    template<typename U = real>
    constexpr U toReal() const;
 
    template<typename U>
    constexpr explicit operator U () const;
 
private:
    T m_nume;
    T m_deno;
};
 
// In-header Implementations:
 
template<typename T>
inline constexpr TFraction<T>::TFraction(T nume, T deno) :
    m_nume(std::move(nume)),
    m_deno(std::move(deno))
{}
 
template<typename T>
template<typename U>
inline constexpr U TFraction<T>::toReal() const
{
    static_assert(std::is_floating_point_v<U>);
 
    return m_nume / m_deno;
}
 
template<typename T>
template<typename U>
inline constexpr TFraction<T>::operator U () const
{
    return toReal<U>();
}
 
}// end namespace ph::math