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The new 'isinf.c' function in port. - Mailing list pgsql-hackers

From Billy G. Allie
Subject The new 'isinf.c' function in port.
Date
Msg-id m0y0fhT-000AoTC@bgalli.mug.org
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Responses Re: The new 'isinf.c' function in port.  (The Hermit Hacker <scrappy@hub.org>)
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Hi Marc,

I was looking at the new 'isinf.c' function in the src/backend/port directory.
I have a question about the inclusion of cases for FP_SNAN and FP_QNAN.

    Does the 'isinf' function mean "not finite" or "is infinity"?

If it is to mean "not finite", then (IMHO) then checking for FP_SNAN and
FP_QNAN is appropiate.  If it is to mean "is infinity", then the function
should only be checking (again, IHMO) for FP_NINF and FP_PINF.

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