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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] sse transcendental functions
- From: Rohit Garg <rpg.314@xxxxxxxxx>
- Date: Thu, 26 Mar 2009 23:03:20 +0530
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Ok thanks for explaining it. But there is no denying that this stuff
is useful in the geometry module. If I am not mistaken, Quaternion
class is also a specialization of the MatrixBase class, right?
On Thu, Mar 26, 2009 at 10:50 PM, Gael Guennebaud
<gael.guennebaud@xxxxxxxxx> wrote:
> On Thu, Mar 26, 2009 at 6:09 PM, Rohit Garg <rpg.314@xxxxxxxxx> wrote:
>
>>>> 3) any particular reason why the sincos4f from the Julian's sources
>>>> hasn't made it in yet?
>>>
>>> because currently there is no sincos function in eigen.
>> Well that's exactly what I was asking, sincos function has been
>> implemented by Julian, then why was it not committed. AFAICS, is it
>> because the return values are passed by pointer to it?
>
> I meant there is no mat.cwise().sincos() function yet, which I guess
> should be an "in place" function taking two matrices. its
> implementation is not completely trivial (not difficult though)
> because we cannot reuse existing Eigen's mechanism. Said that I can
> still add the low level ei_psincos() function, but it won't be used
> until someone write the high level function.
>
> hm... I'm thinking that perhaps the trick we used for swap could work
> here too....
>
>
>> --
>> Rohit Garg
>>
>> http://rpg-314.blogspot.com/
>>
>> Senior Undergraduate
>> Department of Physics
>> Indian Institute of Technology
>> Bombay
>>
>>
>>
>
>
>
--
Rohit Garg
http://rpg-314.blogspot.com/
Senior Undergraduate
Department of Physics
Indian Institute of Technology
Bombay