[rrd-developers] Re: Representation of NAN and INF

[Chris Carton]

http://allserv.rug.ac.be/unix/software/workshop/manuals/c/user_guide/data.represent.html

I scanned that page quickly and believe that the answer you're looking for is 
there.

Chris


>> I note in the C source that these two pseudo-numbers have representation
>> defined in terms of the particular float scheme used with the C compiler:
>>
>> #define DNAN    ((double)(0.0/0.0))
>> #define DINF    ((double)(1.0/0.0))
>>
>> Apparently, these two representations come out different. However, in the
>> math I studied, "anything" divided by 0 is still ... like Undefined. And so
>> 0/0 is the same as 1/0 and both are illegal.


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