Issue1353
Created on 2009-05-21.18:25:46 by JacobIsrael, last changed 2009-05-27.02:54:23 by zyasoft.
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JacobIsrael,
2009-05-26.11:23:44
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msg4704 (view) |
Author: Jacob Israel (JacobIsrael) |
Date: 2009-05-21.18:25:45 |
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In JES 3.0.6, asin does not always return correct value.
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msg4713 (view) |
Author: Jim Baker (zyasoft) |
Date: 2009-05-23.20:42:07 |
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Can you submit a more detailed report of your environment? On Java 6 on
OSX, stepping over [-1.0,1.0], asin on Jython 2.5 trunk produces exactly
the same results as Python 2.5.
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msg4719 (view) |
Author: Jacob Israel (JacobIsrael) |
Date: 2009-05-26.11:23:45 |
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I apologize. I forgot that asin worked in radians. Also, I made my own code to return the correct inverse sin based on the waves upward/downward trend (below).
Thank you,
Mr. Israel
def invSin(number,up):
result=asin(number)
if(up==0): # negative trend correction
if(result<0):
result=-pi-result # -halfPi -(halfPi+result)
if(result>0):
result=pi-result # halfPi + (halfPi-result)
return result
.....................
> Subject: [issue1353] asin miscalculation
> To: Americancafe@hotmail.com
> From: report@bugs.jython.org
> Date: Sat, 23 May 2009 20:42:07 +0000
>
>
> Jim Baker <zyasoft@users.sourceforge.net> added the comment:
>
> Can you submit a more detailed report of your environment? On Java 6 on
> OSX, stepping over [-1.0,1.0], asin on Jython 2.5 trunk produces exactly
> the same results as Python 2.5.
>
> ----------
> nosy: +zyasoft
> resolution: -> works for me
>
> _______________________________________
> Jython tracker <report@bugs.jython.org>
> <http://bugs.jython.org/issue1353>
> _______________________________________
_________________________________________________________________
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Date |
User |
Action |
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2009-05-27 02:54:23 | zyasoft | set | status: open -> closed |
2009-05-26 11:23:45 | JacobIsrael | set | files:
+ unnamed messages:
+ msg4719 |
2009-05-23 20:42:07 | zyasoft | set | resolution: works for me messages:
+ msg4713 nosy:
+ zyasoft |
2009-05-21 18:25:46 | JacobIsrael | create | |
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