这是一个数控系统的插补程序，实现逐点比较法和DDA算法的圆弧插补功能-This is a CNC system interpolation procedures, a case-by-point comparison to achieve law and the DDA circular interpolation algorithm functions

数控机床 多轴插补原理积分算法，实现s曲线加减速原理(Numerical control machine tool multi axis interpolation principle, integration algorithm, to achieve the S curve acceleration and deceleration principle)