607 ( <:!.0.000000000000001 ) 2x ^. 2x ^ 607
1
607 ( <:!.0.000000000000001 ) <: 2x ^. 2x ^ 607
0
got it working, thanks again!
----- Original Message Follows -----
From: [email protected]
To: Programming forum <[email protected]>
Subject: Re: [Jprogramming] using ^ and ^.
Date: Mon, 15 Jun 2009 09:42:29 -0800
>I never thought about the print percision.
>
>This with the previous post by Raul should get me going.
>
>Alsothanks for the post about model of Tolerant Equal
>found at:
>
>http://www.jsoftware.com/jwiki/Essays/Tolerant%20Comparison
>
>cut/past from this page follows:
>
>----------------------
>
>The = dictionary page defines equality with a tolerance t
>thus: for finite x and y , x=y is 1 if the magnitude of
>x-y does not exceed t times the larger of the magnitudes of
>x and y .
>
>The tolerance is normally 2^_44 . Appendix C, System
>Conventions and Limits, says that the tolerance is less
>than or equal to 2^_34 . Historically, the upper bound on
>the tolerance was chosen so that comparisons involving
>32-bit integers are exact (as if the tolerance is 0).
>
>----------------------
>
>thanks a lot!
>
>----- Original Message Follows -----
>From: Kip Murray <[email protected]>
>To: Programming forum <[email protected]>
>Subject: Re: [Jprogramming] using ^ and ^.
>Date: Mon, 15 Jun 2009 12:27:28 -0500
>
>> 9!:11 [ 20 NB. Print precision 20
>>
>> 2x ^. 2x ^ 47
>>47.000000000000007
>>
>>
>>[email protected] wrote:
>>> 2x ^. 2x ^ 607
>>> 607
>>>
>>> and even though it takes about 10 seconds on my machine.
>>>
>>> 2x ^. 2x ^ 444444
>>>
>>> 444444
>>>
>>> ^. and ^ do not seem to be a problem.
>>>
>>> ----- Original Message Follows -----
>>> From: Raul Miller <[email protected]>
>>> To: Programming forum <[email protected]>
>>> Subject: Re: [Jprogramming] question on using ^ and ^.
>>> Date: Mon, 15 Jun 2009 12:15:57 -0400
>>>
>>>> On Mon, Jun 15, 2009 at 12:06 PM,
>>>>> <[email protected]> wrote: Hum.... more
>>>>> observations:
>>>>> (-:!.0 <.) 2x ^. 2x^47
>>>>> 0
>>>> (- <.) 2x ^. 2x^47
>>>> 7.10543e_15
>>>>
>>>> The issue, I think, is the implementation
>>>> of ^. not recognizing an exact integer
>>>> result was possible.
>>>>
>>>> --
>>>> Raul
>>>>
>>>>
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