Re: [eigen] Rigid transformations in eigen: use of dual quaternions

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On Sat, Sep 12, 2009 at 8:22 PM, Benoit Jacob <jacob.benoit.1@xxxxxxxxx> wrote:
> float data[4];
> reinterpret_cast<Quaternionf*>(data)->slerp(....);

Why can you not do this?

float data[4];
Quaternionf( Map<Vector4f>(data,4) ).slerp(...);

For me the code seems to vectorize - at least the slerp() part. Even
when the code would not be vectorizing don't you think it is a bit
hard-core to pre-emptively optimize via a reinterpret_cast?


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