Re: [Axiom-developer] Complex exponentiation and 0

[David MENTRE]

Grégory,

Vanuxem Grégory <address@hidden> writes:

> In complex(Float) and Complex(SingleFloat), we have to change the
> exponentiation so that
>       complex(0,0)^complex(0,0.0)
> or
>       complex(0,0)^complex(2,2.0)
> doesn't use log.
>
> if (real(x) = 0 and imag(x) = 0)
>       if (real(power)=0 and  imag(power)=0)
>               complex(1.0,0.0)
>       else
>               complex(0.0,0.0)
> else
>       ...

Is your bug report related to:
  [bugs #9313] 0^0 handled inconsistently
  http://savannah.nongnu.org/bugs/?func=detailitem&item_id=9313

According to Martin comment, 0^0 is not mathematically defined.


Yours,
d.
-- 
David MENTRE <address@hidden> -- http://www.nongnu.org/axiom/