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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