1 0除以任何数都等于0,也算是有意义的。2 Dividing a floating-point value by zero will result in either positive infinity, negative infinity, or Not-a-Number (NaN) according to the rules of IEEE 754 arithmetic. Floating-point operations never throw an exception. 从MSDN上摘抄的话,看来是根据IEEE的标准……
从MSDN上摘抄的话,看来是根据IEEE的标准……