text: #ifndef _MATRIX3F_H
  #define _MATRIX3F_H
  
  #pragma once
  #include <types.hpp>
  
  class DllImport Matrix3f {
  public:
      Matrix3f(float (*)[3]);
      Matrix3f(void);
      class Matrix3f& operator=(class Matrix3f const&);
      float& operator()(int, int);
      float const& operator()(int, int) const;
      class Matrix3f& operator+=(class Matrix3f const&);
      float GetElement(int, int) const;
      class Matrix3f& SetElement(int, int, float);
      void identity(void);
  
      float m_matrix[3][3];
  };
  
  #endif
  