20 lines
719 B
Plaintext
20 lines
719 B
Plaintext
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=== On 2015-11-12T18:23:59Z Linda Martin Wrote:
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OK!
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=== On 2019-09-27T15:55:21Z Sergey Adamovski Wrote:
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It is wrong that \"``++!(a>2)++``" is equivalent to \"``++a<=2++``".
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In case a == NaN (not a number), any compare to it will give "false". ``++(a>2) == false++`` and ``++(a<=2) == false++``. Therefore, "!(a>2)" will be ``++true++`` while "a+<=+2" ``++false++``.
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Equivalent of \"``++!(a>2)++``" would be \"``++(a<=2) || (double.IsNaN(a))++``" or \"``++(a<=2) || (float.IsNaN(a))++``" which is easier to read but longer to execute.
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One can
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* check whether comparison contains any float/double values that can be Not-A-Number _or_
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* at least warn a user that it is not the same _or_
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* remove this restriction
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