Re: [HACKERS] NAN code

>     num is  of  type  Numeric,  which  is  a  pointer  to  struct
>     NumericData!   So  the  above  should result in some compiler
>     warning (in fact it type casts a pointer into a double  value
>     - and that will give unpredictable results).
> 
>     Seems  that only isnan() is defined as part of Posix. But not
>     a definition that can force a NAN.  So  we  have  to  find  a
>     portable  way  to  define the value NaN for double and float.
>     Does anybody know of such a way?

See my later postings.  0.0/0.0 seems to do it.

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