What am I even doing anymore

send_help.c++

	template <typename T>
	TMatrix4<T> CreateOrthographicProjectionOffCenter( T left, T right, T bottom, T top, T nearplane, T farplane ) {
		T verticaldiff = ( bottom - top );
		T horizontaldiff = ( right - left );
		verticaldiff = static_cast<T>( verticaldiff / normalizedevicecoordinatesrange );
		horizontaldiff = static_cast<T>( horizontaldiff / normalizedevicecoordinatesrange );
		top -= verticaldiff;
		bottom -= verticaldiff;
		left -= horizontaldiff;
		right -= horizontaldiff;

		T inversewidth = static_cast<T>(1) / (right - left);
		T inverseheight = static_cast<T>( 1 ) / ( top - bottom );
		T farrange =
#ifdef FURROVINE_COORDINATE_SYSTEM_LEFT_HANDED
			T( normalizedevicecoordinatesrange ) / ( farplane - nearplane );
#else
			T( normalizedevicecoordinatesrange ) / ( nearplane - farplane );
#endif // FURROVINE_COORDINATE_SYSTEM_LEFT_HANDED || RIGHTHANDED 
		TMatrix4<T> r = CreateRowMajor(
			inversewidth + inversewidth,
			static_cast<T>( 0 ),
			static_cast<T>( 0 ),
			static_cast<T>( 0 ),

			static_cast<T>( 0 ),
			inverseheight + inverseheight,
			static_cast<T>( 0 ),
			static_cast<T>( 0 ),

			static_cast<T>( 0 ),
			static_cast<T>( 0 ),
			farrange,
			static_cast<T>( 0 ),

			-( left + right ) * inversewidth,
			-( top + bottom ) * inverseheight,
#ifdef FURROVINE_COORDINATE_SYSTEM_LEFT_HANDED
			- farrange * nearplane,
#else
			farrange * nearplane,
#endif // FURROVINE_COORDINATE_SYSTEM_LEFT_HANDED || RIGHTHANDED 
			static_cast<T>( 1 )
			);
		return r;
	}