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Re: fractional part of a number [message #7938 is a reply to message #7935]

Thu, 23 January 1997 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Mirko Vukovic writes:

>> How does one get the fractional part of a number? Could not find
>> anything in the manual.

Then Phil Williams answers:

> Do you mean this:
> IDL> n = 5.5
> IDL> print, n mod floor(n)
> 0.500000

And Andy Loughe follows this with:

> number = 5.89
> frac_number = number - fix(number)

BUT, and here is the important question: which is FASTER!

No, no, I was just kidding. I do love these kinds of questions, though. :-)

David

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David Fanning, Ph.D.
Fanning Software Consulting
2642 Bradbury Court, Fort Collins, CO 80521
Phone: 970-221-0438 Fax: 970-221-4762
E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com
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[Message index]

		Re: fractional part of a number By: thompson on Fri, 24 January 1997 00:00
		Re: fractional part of a number By: Andy Loughe on Thu, 23 January 1997 00:00
		Re: fractional part of a number By: Phil Williams on Thu, 23 January 1997 00:00
		Re: fractional part of a number By: davidf on Thu, 23 January 1997 00:00

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