On 06/04/2018 09:44 PM, Steve Ellcey wrote:
> 0.0 is a normal (as opposed to a denormalized) number isn't
> it? Or is zero special?
In addition to the other answers, yes, zero is special. Normal numbers
in IEEE-754 have an implicit leading 1 bit. Zero is a case of a denormal
number.
--
Andrew
在 2018/6/5 4:44, Steve Ellcey 写道:
Is there a bug in __builtin_isnormal or am I just confused as to what it
means? There doesn't seem to be any actual definition/documentation for
the function. __builtin_isnormal(0.0) is returning false. That seems
wrong to me, 0.0 is a normal (as opposed to a
On Mon, Jun 4, 2018 at 1:44 PM Steve Ellcey wrote:
>
> Is there a bug in __builtin_isnormal or am I just confused as to what it
> means? There doesn't seem to be any actual definition/documentation for
> the function. __builtin_isnormal(0.0) is returning false. That seems
> wrong to me, 0.0 is
Is there a bug in __builtin_isnormal or am I just confused as to what it
means? There doesn't seem to be any actual definition/documentation for
the function. __builtin_isnormal(0.0) is returning false. That seems
wrong to me, 0.0 is a normal (as opposed to a denormalized) number isn't
it? Or i
