On 2016-07-14 15:30, Ian Kelly wrote:
On Jul 14, 2016 1:52 AM, "Steven D'Aprano"
<steve+comp.lang.pyt...@pearwood.info> wrote:
On Thursday 14 July 2016 15:18, Ian Kelly wrote:
Side note, neither do floating point numbers, really; what is often
called the mantissa is more properly known as the significand. But
integers don't have that either.
Er, then what's a mantissa if it's not what people call a float's mantissa?
What makes you say it is "more properly" known as the significand?
I'm not necessarily disputing what you say, I'm wondering what is your
justification for it.
http://mathworld.wolfram.com/Significand.html
http://mathworld.wolfram.com/Mantissa.html
The significand of -3.14159 is the sequence of digits 314159. The
mantissa of -3.14159 is the number 0.85841.
I don't have a copy of the IEEE-754 standard, but I believe that it
also uses the term "significand" and specifically avoids the term
"mantissa".
Confirmed.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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