Subject:
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Hold on primitives by pneaster
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 11 Jun 2003 11:18:04 GMT
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Viewed:
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382 times
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Sorry, i don't know who pneaster is, but he did put a hold
on some primitives for differences in values.
One of the primitives involved is 4-4con7.dat
> At Tue Jun 10 04:00:01 2003, the following review was posted:
>
> Reviewer: pneaster
> Certification: hold
> Comments:
> Header line and filename are good. Numbers are really close.
> Change: (I'm nit-pick'n everyone.)
> this to this
> 2.6788 -> 2.6789
> 3.0615 -> 3.0616
> 5.6569 -> 5.6568
> 6.4672 -> 6.4673
> 7.3910 -> 7.3912
I would like to know how these values are to be calculated
(and who calculated the correct values, me or pneaster)
I calculated the first value with the formula:
7 * SIN( PI / 8), where PI = 3.14159265358979
(Excel can't handle more digits for PI)
Which results into 2.67878402655563, rounded to 2,6788
If I use Windows Calculator with
PI=3.1415926535897932384626433832795
the result is
2.6787840265556284020992198882128
rounded as 2.6788
How does pneaster get the result 2.6789 ????
(no, i'm not angry, just want to sort this out)
Niels
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Message has 1 Reply:
 | | Re: Hold on primitives by pneaster
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| Niels Karsdorp <nkp.nkp@hetnet.nl> schrieb im Newsbeitrag news:HGBE24.1IJM@lugnet.com... (...) I've the same problem on my parts. The parts is (maybe) checked by inlining the edge.dat and then multiplied this with the radius (for example in MLCAD). (...) (21 years ago, 11-Jun-03, to lugnet.cad)
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