[clean-list] Power again

[=?iso-8859-1?q?Alexsandro=20Soares?=]

Hi Vicent,
 
   What about
        (-2.0)^(2.0) ?

  My math background tells me that the correct value
must be 4.0, but Clean answers -4.0. Who is wrong?

Cheers,
Alex

> Think about this:
>    lim [x->0] x^0 = ?
>    lim [x->0] 0^x = ?
> Ciao.         Vincent.

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