定点数学库（ QMATH ）包含高度优化的，不动点数学/三角函数是发达国家作为一个易于使用的图书馆，这是关系到用户的应用程序。-Fixed-point math library (QMATH) contains highly optimized, fixed point math/trigonometric functions that are developed as an easy-to-use library, which has to be linked to the user s ap