... 可点数的 enumerable 浮点数的比较 floating-point number comparison 定点数和浮点数的表示 （representation of fixed point ...
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当然，结果不一定是有意义的 —— 比如字符串和浮点数的比较就没有意义。
Sure, the result would not necessarily be meaningful -- a string is neither objectively less than nor greater than a float.
为什么需要用单独的宏进行浮点数比较？
Why do you need separate macros for floating point comparisons?
当然，这并不总是可能的，但您应该意识到要限制浮点数比较。
This is, of course, not always possible, but you should be aware of the limitations of floating point comparison.
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