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*: Rohit Garg <rpg.314@xxxxxxxxx>*Date*: Thu, 20 Aug 2009 23:28:04 +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=wfeTo3hv3cDRWpte48JF+o6OjDjNaaZ0iWgB/3IXl6Q=; b=O/2WE9InhBVOTH6Xs/oetxOZNxn8d3N5D6ToydiOC7j38nPG2ZxfJlzoAkbIlSvJTn EzditmDAmqSkkibOKWkYmr8FIHTuUDDtFKcCyRcW+VNTCNVriKPJp6/E84Xsizq6+pqI ugFTuI8Ck9YK76AJdJYy1IU0H7YTQPWtm6Rc8=*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=h3/SqE+sGImPEho0P8cIEirjIrdvv3IE7kGdN31x1z4I3wS8mem47o+Fc2+qqML5Ke P7eAq/hYswzdlqBJMVulKSvSXNuwpiNzm4uIIRbDPda2KITZWXj2BuRUD8d5IZ/cLIEL CFyeR/6lKoiASo2D2Fw9HaMLACXilUd0F8glg=

> There's one thing that scares me. In ei_unpacket_traits, we make the > assumption that the scalar type (e.g. int) can be deduced back from > the packet type (e.g. Packet4i which is __m128i). That assumption will > be broken if small integer types ever share the same packet type, like > __m128i, I don't know. If that happens, we'll have to reorganize that > code a little. Yes, int and short do share an sse type. :( Now what? -- Rohit Garg http://rpg-314.blogspot.com/ Senior Undergraduate Department of Physics Indian Institute of Technology Bombay

**References**:**[eigen] State of eigen support for small integers(16 bit, signed/unsigned)***From:*Rohit Garg

**Re: [eigen] State of eigen support for small integers(16 bit, signed/unsigned)***From:*Benoit Jacob

**Re: [eigen] State of eigen support for small integers(16 bit, signed/unsigned)***From:*Rohit Garg

**Re: [eigen] State of eigen support for small integers(16 bit, signed/unsigned)***From:*Benoit Jacob

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