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Re: [Bug-gsl] Bug-gsl Digest, Vol 99, Issue 6
From: |
James Ward |
Subject: |
Re: [Bug-gsl] Bug-gsl Digest, Vol 99, Issue 6 |
Date: |
Tue, 12 Apr 2011 18:33:04 -0400 |
I did some timing tests, and it looks like Moler & Morrision is about
twice as slow as gsl_hypot(), up to the same accuracy (1e-15).
http://steve.hollasch.net/cgindex/math/pythag-root.txt
suggests this is due to M&M being cubically convergent, while
gsl_hypot() is quadratically convergent. So ... never mind!
Jim Ward
On 4/12/11, address@hidden <address@hidden> wrote:
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- Re: [Bug-gsl] Bug-gsl Digest, Vol 99, Issue 6,
James Ward <=