Re: [eigen] State of eigen support for small integers(16 bit, signed/unsigned) |

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*To*: eigen@xxxxxxxxxxxxxxxxxxx*Subject*: Re: [eigen] State of eigen support for small integers(16 bit, signed/unsigned)*From*: Patrick Mihelich <patrick.mihelich@xxxxxxxxx>*Date*: Thu, 20 Aug 2009 11:51:38 -0700*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; bh=pHR+bRc/cLoyFmAlyAR1seH5OnEcPi7GLN2Pm8MCAPg=; b=d+jMXWPdCysC8CXGTPPcQHkbp2JOhdZrRQGEb38/BtR3LNhN9qXrNnHmwO1a0YJ0zp p1VrTGFJHqBQugOyZINXF0dGY5WW2XIvn1Y2bX3gPKoGqCGLJwyy/9ROagIFe5c11KfS 5D+5rqsOVC6yP+0EL6XMtNKq9iVNjPxfJ5lEw=*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; b=myX4ugoGM5+YkEyiZfkibbYP07Sfo51954Fw7MTVlksq3XQhcucEuLsTlQq16LhuZc B0eWcDJEv4hYVTyq/NndAzzlnmWVVAXbtAwhQNHf6T8GyCJxYweCXzBP0c1DnAiI/jfK fYRCj7WikBRGNM9tj9XBctwZNsKoRA417NFNA=

I did intend to add support for small integers, but as usual I got distracted by other things. You're right, I have no patches :)

I'm actually interested in 8-bit integers, but if you can get 16-bit integers working I imagine 8-bit will be trivial to add.

Patrick

On Thu, Aug 20, 2009 at 3:19 AM, Rohit Garg <rpg.314@xxxxxxxxx> wrote:

Hi,

What is the state of eigen's support for small integers(16 bit,

signed/unsigned). I had a look at the branch over at bitbucket, and

there doesn't seem to be any small int specific patches in it.

https://bitbucket.org/mihelich/eigen2/overview/

Any body care to comment on the state of this branch?

If I need to add support for small ints to eigen, what do I need to

do? I need all bitwise ops, and yes, 16 bit*16 bit = 32 bit unsigned

integer multiplication (vectorized of course). Suggestions?

BTW, are such features even welcome in eigen?

--

Rohit Garg

http://rpg-314.blogspot.com/

Senior Undergraduate

Department of Physics

Indian Institute of Technology

Bombay

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