----- Original Message -----
From: "Harry R Millwater" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 10, 2003 4:05 PM
Subject: denormalised number??
> One of our compilers has a compiler option that says:
>
> disables IEEE gradual underflow, producing zero instead of a
denormalised
> number.
>
> Can someone explain what is a "denormalised number"? I've never
seen that
> terminology before.
>
Roughly it's a fp number in the interval [-tiny,tiny] whose precision
is in such doubt that, with due consideration of the physical context
in which it arises, one can effectively treat it as zero.
HTH,
Gerry T.
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