Re: [eigen] Avoid SVD in rotation() for Isometry |

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*To*: eigen@xxxxxxxxxxxxxxxxxxx*Subject*: Re: [eigen] Avoid SVD in rotation() for Isometry*From*: Greg Coombe <greg.coombe@xxxxxxxxx>*Date*: Tue, 15 Jan 2019 10:12:37 -0800*Dkim-signature*: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=H9GB9VUkN2KbrZ5XHEh1NLllapKNsE0MV2sIn8RFl8w=; b=dqp0DJU+dIXWnpadhoc+xcQ4X6/FEjAarpYKJBQnBKjdToa0MiwLSls22upnUcK8p2 V7wm9zcX8pCtNL2tg+mO586cBcPQZkWYGvbpLsRqxFnGkwxojw3VEDujitCLqxuLd6i1 jitaafiOaOzXPQLNi0nSsao/+wnjNgWjQ0ohJlGu3dcm8KvXsf0PFPp4/UEgknvPX0pe PHYp89u4lfGa0o2qcFplOoX6t8Ssa0WkWe4G7JOstcQCJUAvpcNM5+iJIVJhxLysy0Mt cYI1NWzm7aXKjizTXJKw4t5DWiy0me0hS4PDQYforR3OnaV8SAhzS4k+H0V5bigYMvaZ LFJg==

On Sun, Jan 13, 2019 at 3:07 PM Gael Guennebaud <gael.guennebaud@xxxxxxxxx> wrote:

makes sense to me, but I'd even go a step further by making rotation() an alias to linear() in the Isometry case. A bit more tricky to implement though.

You mean like some sort of partial template specialization/alias? Not sure I know how to accomplish that. Can you sketch out how this would work?

**Follow-Ups**:**Re: [eigen] Avoid SVD in rotation() for Isometry***From:*Gael Guennebaud

**References**:**[eigen] Avoid SVD in rotation() for Isometry***From:*Greg Coombe

**Re: [eigen] Avoid SVD in rotation() for Isometry***From:*Gael Guennebaud

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