Re: database systems and organizational intelligence
Date: Thu, 27 May 2004 15:25:24 -0700
Message-ID: <qd4cb0h2v8eq9ap9fllr26f9p3ueg1mvs2_at_4ax.com>
"Laconic2" <laconic2_at_comcast.net> wrote:
[snip]
>The word "normalized" can apparently mean many things.
>
>My first exposure to this word was in the processor manuals description of
>floating point arithmetic.
>
>In particular, there were synonyms among the floating point representations.
>That is, different representations for the same number. Of these, one of
>them was chosen as the "normalized" representation. It was the one whose
>fraction had a high order bit that was different from the sign bit, or
>something like that. And there was an operator called the "unnormalized
No. It is that there is effectively no leading zero bit in the mantissa. (Sometimes that first one bit is omitted in the representation though used in computation.)
0.11001000 x 2 to the 4th normalised representation 0.00110010 x 2 to the 6th unnormalised representation ^^ This is why.
>floating add" that would add to floating point operands, but not normalize
>the result.
[snip]
Sincerely,
Gene Wirchenko
Computerese Irregular Verb Conjugation:
I have preferences. You have biases. He/She has prejudices.Received on Fri May 28 2004 - 00:25:24 CEST