- testing for NaNs

From: A Thomas <"A>
Date: Mon, 13 Aug 2007 11:04:09 +0300

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Hei,

        I would like to test a REAL to see if it is a NaN. What is the best
way of doing this? If I use a variant record I can regard the 8 byte real as
two 4 byte integers (or maybe better two variables of type SET)But what bit
pattern will indicate a NaN?

Thanks

        Andrew

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Received on Mon Aug 13 2007 - 10:04:09 UTC