- testing for NaNs

From: Campbell, Robert D \(SELEX\) \(UK Edinburgh\) <"Campbell,>
Date: Mon, 13 Aug 2007 10:37:49 +0100

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Why not use Math.IsNan ?

Cheers

Robert

>> -----Original Message-----
>> From: blackbox{([at]})nowhere.xy
>> Behalf Of A Thomas
>> Sent: 13 August 2007 09:04
>> To: BlackBox Mailing List
>> Subject: [BlackBox] - testing for NaNs
>>
>> *** WARNING ***
>>
>> This mail has originated outside your organization, either
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>> Keep this in mind if you answer this message.
>>
>> 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
>>
>> --- BlackBox
>> --- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy
>>
>>
>>

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Received on Mon Aug 13 2007 - 11:37:49 UTC

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