Re: [eigen] vectorization of complex

[FMDSPAM <fmdspam@xxxxxxxxx>]

 Am 20.07.2010 11:47, schrieb Gael Guennebaud:
> [...] but 3 swizzling and one "bitwise or" operation to negate
> some coefficients. This make it far to be optimal. In particular
> swizzling is extremely costly. Moreover all these "complex" operations
> requires many additional registers to store the temporaries. [...]
In another threat matlab was "blamed" to use separate matrices for real 
and imaginary parts instead of one matrix of complex coeff.
How do you think, this would compete?

--Frank