> I had included float8 in this particular regression test to exercise the
> int4->float8 "promotion" since float8 is a "preferred type". Don't know
> why float4 should in general have different or better behavior than
> float8 wrt conversions and rounding; you may just be lucky on your
> platform.
In fact, float4 normally has much _worse_ floating point portability
than float8.
float4 can't seem to get even simple number right.
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