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> From: Paul Schlie <schlie@xxxxxxxxxxx> >> The possibility that systems may implement exact infinities rules out >> having the error be with INEXACT->EXACT (passed real infinities). > > - so what? (as personally I'd rather have an "exact" infinity returned > for a calculation that would otherwise potentially crash the program > attempting to allocate GigaBytes of memory to store an arbitrarily large > "exact" result, or an "inexact" infinity which is known to possibly > be smaller than the largest representable "exact" value.) sorry, I'm not sure what I was thinking about when I responded to your statement, but I'll try again: - maybe that implies that infinities and their reciprocals are in a class by themselves, as neither are warranted to have some minimal precision, as both exact and inexact representations have, but rather represent an underflow of the minimal precision otherwise warranted by exact/inexact representations?