/// <summary> /// 减法,有效位数与加法类似,取决于绝对误差最大的数 /// </summary> /// <param name="a"></param> /// <param name="b"></param> /// <returns></returns> public static SKSpecialDecimal operator -(SKSpecialDecimal a, SKSpecialDecimal b) { SKSpecialDecimal b_copy = new SKSpecialDecimal(b); b_copy.inverse(); return(a + b_copy); }