Re: [eigen] SSE square root |

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*To*: eigen@xxxxxxxxxxxxxxxxxxx*Subject*: Re: [eigen] SSE square root*From*: Cyril Flaig <cflaig@xxxxxxxxxxx>*Date*: Fri, 27 Mar 2009 10:24:29 +0100

Rohit Garg wrote: > This file has my sse float implementation for square root. The SSE > square root instruction has only 12 bits of precision so extra > iterations of Newton Raphson may be neccessary. How many of the are > neccessary... The newton iteration doubles the number of correct bits (quadratic convergent). You will have 24 correct bits. Regards

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**References**:**[eigen] SSE square root***From:*Rohit Garg

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