Re: [eigen] sse transcendental functions |

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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*Dkim-signature*: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=k+UNkxiVK8gWiHvKp4ntxlgh9Sd3f9wogcjVd1xhfCM=; b=pckotqnd/uDN6206C2o7+DOAToV7WZiVLp/NEoZ3oYm85K/MDXONHPCxOdQ76Oc4dM 18QBdE3kosgZxH1e72/V3AmfIIH2c1Ofbb7uzd/IJR+wD58MdILLGNKIcW1qwD05dlfF WramUYMK1XsbUPPR9ybvLYoO9R9hJ5cME+uf4=*Domainkey-signature*: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=nWKjOYfwWJyeiNl8mfuznXEu/g6m8JNT68YYTpkCP7rGmWqy1c/O9ubxiF6woBnTcx 9bsP8QvfVwfGM43EsXttrGwFpVFbzsnbproLSpuCWMVZtK54CEPlcnwjLlyl7dsxAYv9 DylE1jARX71XeRpZOD/OhkZ0QLWmv35NwSccU=

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

**References**:**[eigen] sse transcendental functions***From:*Rohit Garg

**Re: [eigen] sse transcendental functions***From:*Gael Guennebaud

**Re: [eigen] sse transcendental functions***From:*Rohit Garg

**Re: [eigen] sse transcendental functions***From:*Gael Guennebaud

**Re: [eigen] sse transcendental functions***From:*Rohit Garg

**Re: [eigen] sse transcendental functions***From:*Rohit Garg

**Re: [eigen] sse transcendental functions***From:*Gael Guennebaud

**Re: [eigen] sse transcendental functions***From:*Rohit Garg

**Re: [eigen] sse transcendental functions***From:*Gael Guennebaud

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