__builtin_cpow((0,0),(0,0))

[Dave Korn]

----Original Message----
>From: Ronny Peine
>Sent: 16 March 2005 17:34

> See for example:
> http://mathworld.wolfram.com/ExponentLaws.html
>

  Ok, I did.

>Even though, gcc returns 1 for pow(0.0,0.0) in version 3.4.3 like many 
>other c-compiler do. The same behaviour would be expected from cpow.

  No, you're wrong (that the same behaviour would be expected from cpow).
See for example:

http://mathworld.wolfram.com/ExponentLaws.html

" Note that these rules apply in general only to real quantities, and can
give manifestly wrong results if they are blindly applied to complex
quantities. "

<g>

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....