Re: [HACKERS] backend/utils/adt/float.c uses non-existent NAN value - Mailing list pgsql-hackers

>
> Seems at some point someone decided not to be machine-independent in
> backend/utils/adt/float.c
>
> Redhat 5.2 system with gcc 2.8.1 doesn't define NAN unless _GNU_SOURCE is
> defined first. Although include/utils/dt.h *does* check for NAN (and HUGE_VAL)
> before using them, the float.c doesn't.
>
> What happened?

    Don't know exactly - but

    the new NUMERIC data type started recently a discussion about
    NAN, because I tried  to  be  able  to  convert  NAN  from/to
    float's, and that started some trouble. I'm not sure how this
    went into adt/float.c. At least I think we should fix all the
    NAN handling for v6.5.


Jan

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