Re: newbie question: real with fraction to int
Re: newbie question: real with fraction to int
- Subject: Re: newbie question: real with fraction to int
- From: Nigel Garvey <email@hidden>
- Date: Sat, 25 Oct 2003 17:59:26 +0100
kai wrote on Fri, 24 Oct 2003 22:49:38 +0100:
>
on Fri, 24 Oct 2003 09:18:32 -0700, Michelle Steiner wrote:
>
> set i to 9.5 div 1
>
> set i to round 9.5 rounding down
>
> set i to round 9.5 rounding toward zero
>
>
>
> The difference between the second and third is how they treat negative
>
> numbers. The second will round -9.5 to -10, and the third will round
>
> -9.5 to -9
>
> I don't see any difference between the first and the third, though.
>
>
Me neither, Michelle - in terms of the results. However, in terms of
>
performance, 'div' is more than 50 times faster here...
And that might be pushed to "nearly 60 times faster" if a coercion's
avoided by making the divisor a real as well:
9.5 div 1.0
NG
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