TMatrixMxNBase.h

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#pragma once
 
#include "Math/math_fwd.h"
#include "Utility/utility.h"
 
#include <Common/primitive_type.h>
 
#include <string>
#include <array>
#include <cstddef>
#include <type_traits>
 
namespace ph::math
{
    
template<typename T, std::size_t N>
using TRawRowVector = std::array<T, N>;
 
template<typename T, std::size_t M>
using TRawColVector = std::array<T, M>;
 
template<typename T, std::size_t M, std::size_t N>
using TRawMatrix = std::array<std::array<T, N>, M>;
 
template<typename Derived, typename T, std::size_t M, std::size_t N>
class TMatrixMxNBase
{
private:
    using Self = TMatrixMxNBase;
 
public:
    using Elements = TRawMatrix<T, M, N>;
 
    explicit TMatrixMxNBase(T elements);
    explicit TMatrixMxNBase(Elements elements);
 
// Hide special members as this class is not intended to be used polymorphically.
// It is derived class's choice to expose them (by defining them in public) or not.
protected:
    PH_DEFINE_INLINE_RULE_OF_5_MEMBERS(TMatrixMxNBase);
 
protected:
    inline static constexpr auto NUM_ROWS = M;
    inline static constexpr auto NUM_COLS = N;
 
    constexpr std::size_t numRows() const noexcept;
    constexpr std::size_t numCols() const noexcept;
 
    Derived mul(T constantValue) const;
    Derived& mulLocal(T constantValue);
 
    Derived& set(T constantValue);
 
    TRawColVector<T, M> multiplyVector(const TRawColVector<T, M>& rhsColVector) const;
 
    template<std::size_t K>
    void multiplyMatrix(const TRawMatrix<T, N, K>& rhsMatrix, TRawMatrix<T, M, K>* out_result) const;
 
    template<std::size_t K>
    void multiplyTransposedMatrix(const TRawMatrix<T, K, N>& rhsMatrix, TRawMatrix<T, M, K>* out_result) const;
 
    TRawMatrix<T, N, M> transposeMatrix() const;
 
    TRawRowVector<T, N>& operator [] (std::size_t rowIndex);
    const TRawRowVector<T, N>& operator [] (std::size_t rowIndex) const;
 
    std::string toString() const;
 
protected:
    TRawMatrix<T, M, N> m;
};
 
}// end namespace ph::math
 
#include "Math/General/TMatrixMxNBase.ipp"