Nov 03
jolle A proper PI calculation for Rosetta code
Nov 03, 2013; 17:23
jolle
A proper PI calculation for Rosetta code
I entered a contribution for the PI quest.
http://rosettacode.org/wiki/Pi
But it got challenged. Turns out that the formula I used to calculate PI goes astray after 17 decimals.
Here's what I used:
(-1.0) -> acos)
It will produce
3.141592653589793115997963468544185161590576171875
But only
3.141592653589793
is correct.
I have since looked at some resources on the net but have to admit it is beyond my skills to convert it to Lasso code.
For example here:
https://cs.uwaterloo.ca/~alopez-o/math-faq/mathtext/node12.html (thanks Brian for link)
If someone can pick up the challenge and produce code to return a really long PI I would be very grateful. I would like to get the contribution in the Rosetta code right. Promise I will not count the points for it, if I can get help setting it straight.
Tip:
Chat in the Lasso room suggested that the approach has to be to calculate decimal by decimal and add that to a string, then return the string.
HDB
Jolle
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Nov 03
Ke Carlton Re: A proper PI calculation for Rosetta code
Nov 03, 2013; 18:17
Ke Carlton
Re: A proper PI calculation for Rosetta code
Nov 05
Kyle Jessup Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 00:07
Kyle Jessup
Re: A proper PI calculation for Rosetta code
Nov 05
Jewett, Greg Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 15:28
Jewett, Greg
Re: A proper PI calculation for Rosetta code
Nov 05
jolle Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 17:10
jolle
Re: A proper PI calculation for Rosetta code
Nov 05
Eric Knibbe Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 17:59
Eric Knibbe
Re: A proper PI calculation for Rosetta code
Nov 06
jolle Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 00:18
jolle
Re: A proper PI calculation for Rosetta code
Nov 05
Eric Knibbe Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 20:18
Eric Knibbe
Re: A proper PI calculation for Rosetta code
Nov 05
Brad Lindsay Re: A proper PI calculation for Rosetta code
Nov 05, 2013; 20:36
Brad Lindsay
Re: A proper PI calculation for Rosetta code
Nov 06
Jolle Carlestam Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 07:39
Jolle Carlestam
Re: A proper PI calculation for Rosetta code
Nov 06
Eric Knibbe Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 14:15
Eric Knibbe
Re: A proper PI calculation for Rosetta code
Nov 06
Steffan A. Cline Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 12:17
Steffan A. Cline
Re: A proper PI calculation for Rosetta code
Nov 06
Brad Lindsay Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 14:27
Brad Lindsay
Re: A proper PI calculation for Rosetta code
Nov 06
jolle Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 20:42
jolle
Re: A proper PI calculation for Rosetta code
Nov 06
Steve Piercy - Web Site Builder Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 12:25
Steve Piercy - Web Site Builder
Re: A proper PI calculation for Rosetta code
Nov 06
Steve Upton Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 12:50
Steve Upton
Re: A proper PI calculation for Rosetta code
Nov 06
Brad Lindsay Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 15:55
Brad Lindsay
Re: A proper PI calculation for Rosetta code
Nov 06
Steve Upton Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 13:06
Steve Upton
Re: A proper PI calculation for Rosetta code
Nov 06
Brad Lindsay Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 16:08
Brad Lindsay
Re: A proper PI calculation for Rosetta code
Nov 07
Richard Taubo Re: A proper PI calculation for Rosetta code
Nov 07, 2013; 00:50
Richard Taubo
Re: A proper PI calculation for Rosetta code
Nov 06
Brad Lindsay Re: A proper PI calculation for Rosetta code
Nov 06, 2013; 19:34
Brad Lindsay
Re: A proper PI calculation for Rosetta code