comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » Re: Large Numbers

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Large Numbers [message #64982 is a reply to message #64981]

Fri, 06 February 2009 20:06

pgrigis
Messages: 436
Registered: September 2007

Senior Member

David Fanning wrote:
> Kenneth P. Bowman writes:
>
>> If you are dividing them, you don't really want to use
>> integers, do you? That's what floats (and doubles) are for.
>
> Humm. You might have a point there.
>
> Ok, how about a contest. Given two integers, x and n,
> with x le n, what is the most efficient way to evaluate
> this expression:
>
> n!/(x! * (n-x)!)

You know about the function "factorial", right?

Ciao,
Paolo

>
> The usual prize (as my children know well, a hug
> and a kiss) to the winner. :-)
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming: http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Report message to a moderator

[Message index]

		Re: Large Numbers By: David Fanning on Fri, 06 February 2009 20:13
		Re: Large Numbers By: pgrigis on Fri, 06 February 2009 20:06
		Re: Large Numbers By: David Fanning on Fri, 06 February 2009 19:59
		Re: Large Numbers By: David Fanning on Fri, 06 February 2009 19:53
		Re: Large Numbers By: Kenneth P. Bowman on Fri, 06 February 2009 18:57
		Re: Large Numbers By: pgrigis on Fri, 06 February 2009 17:14
		Re: Large Numbers By: David Fanning on Fri, 06 February 2009 16:54
		Re: Large Numbers By: David Fanning on Fri, 06 February 2009 16:50
		Re: Large Numbers By: Chris[6] on Fri, 06 February 2009 16:49
		Re: Large Numbers By: pgrigis on Fri, 06 February 2009 15:35
		Re: Large Numbers By: Jeremy Bailin on Mon, 09 February 2009 20:28
		Re: Large Numbers By: Michael Galloy on Tue, 10 February 2009 09:28

Previous Topic:	How to read a multi-band image with IDL
Next Topic:	Re: 12 bit jpeg

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Mon Dec 01 02:46:44 PST 2025

Total time taken to generate the page: 1.04764 seconds