Brook Milligan <brook(at)trillium(dot)NMSU(dot)Edu> writes:
> I have finally resolved the differences in the union regression test.
> The problem is that the test uses the float8 table as part of the
> test, and this table turns out to be different among platforms because
> of different behavior with small numbers. Since the float8 part of
> testing unions seemed entirely irrelevant I have changed it to use
> float4, which is not different among platforms.
It's not? I think you assume far too much about the uniformity of
floating-point hardware.
Is it necessary to use float data at all for union tests?
regards, tom lane