On Mon, Feb 7, 2011 at 1:27 PM, Laurent <[email protected]> wrote:
> Le 07/02/2011 13:05, Clemens Heuberger a écrit :
>>
>> I encountered the following bug:
>>
>> sage: abs(pi*I)
>> I*pi
>
> I do not know how we define absolute value in Sage. Even in math in general,
> I'm not sure of what means the absolute value of a complex number. Depends
> on the data of a convex cone ?

Sage's uses the following:

sage: abs(3 + 4*I)
5

> I suppose that some Sage gurus will explain why abs(pi*I)=pi*I.

I believe the underlying cause is due to #10064, #10583, #7160, and
#6132 all of which are the same issue.

--Mike

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