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Re: !pi: Stored as a float [message #28471]

Wed, 12 December 2001 13:01

Paul van Delst
Messages: 364
Registered: March 1997

Senior Member

Andy Loughe wrote:
>
> Being stored as a float, the !pi system variable is accurate
> to about the 6th decimal place.

Or you could use !dpi:

IDL> print, !dpi, format='(f25.23)'
3.14159265358979311599796
IDL> print, size(!dpi, /type)
5

> IDL> print, !mypi, format='(f25.23)'
> 3.14159265358979311599796
> 3.14159265358979323846264338327950288419716939937510 <- joyofpi.com

paulv

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Paul van Delst Religious and cultural
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