From: Victor A. Wagner, Jr. (vawjr_at_[hidden])
Date: 2002-08-22 11:40:14
At Thursday 2002/08/22 09:07, you wrote:
>From: "Victor A. Wagner, Jr." <vawjr_at_[hidden]>\
> > At Thursday 2002/08/22 01:23, you wrote:
> > >Everyone is forgetting that integer overflow on signed types results in
> > >undefined behaviour.
> > This is an artifact of the language definition (a poor one, IMO). When
> > learned multiplication (way back when I was 6 or 7) I noticed pretty
> > that if I multiplied a n digit number by an m digit number I _might_ get
> > m+n digit number. The first several computers I worked on always
> > a "two word" product from two "one word" operands. I was somewhat
> > disappointed to learn that the HLL's all seemed to ignore this "basic
> > of mathematics. <shrug> it's what we're stuck with, tho I still consider
> > it mostly intellectual laziness that led to it. Especially with strongly
> > typed languages now.
>But every one of these languages has a max-sized integral type. Would you
> 65536L * 3L
no I wouldn't disallow it.
what I would do, depends on the maximum value that can be contained in a
I'm one of those weirdos that thinks that "correct" is a lot more important
> David Abrahams * Boost Consulting
>dave_at_[hidden] * http://www.boost-consulting.com
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Victor A. Wagner Jr. http://rudbek.com
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