asin(2) changed from 5.5.1 to 5.5.2: intentional?

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Samuel GOUGEON Samuel GOUGEON
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asin(2) changed from 5.5.1 to 5.5.2: intentional?

Hello,

In Scilab 4.0, ... 5.1.1, ... 5.5.1, we get:
-->asin([-2,2]')
 ans  =
  - 1.5707963 + 1.3169579i
    1.5707963 + 1.3169579i

In Scilab 5.5.2 :
--> asin([-2,2]')
 ans  =
  - 1.5707963 + 1.3169579i 
    1.5707963 - 1.3169579i

It is also the Octave 5.1.0 and Matlab 2016 answer.

Is this change intentional?
If yes, it will have to be documented, and the m2sci converter will have to be updated.

Regards

Samuel


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