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author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2009-10-20 07:21:23 +0000 |
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committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2009-10-20 07:21:23 +0000 |
commit | 995933e9fb30aadc90b946c3e6d0ba454ec54943 (patch) | |
tree | bc14345626c0e80a584237e1de8ab6990f691dbe /TODO | |
parent | be02bb677d2e9958bd333f44b0160f4399cbeb6f (diff) | |
download | mpfr-995933e9fb30aadc90b946c3e6d0ba454ec54943.tar.gz |
[TODO] added efficiency item
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@6521 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'TODO')
-rw-r--r-- | TODO | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -228,6 +228,10 @@ Table of contents: (see Exercise 4.11 from Modern Computer Arithmetic, version 0.3) The same method can be used for log, using the series for atanh, i.e., atanh(x) = 1/2*log((1+x)/(1-x)). +- improve mpfr_gamma (see http://code.google.com/p/fastfunlib/). A possible + idea is to implement a fast algorithm for the argument reconstruction + gamma(x+k). One could also use the series for 1/gamma(x), see for example + http://dlmf.nist.gov/5/7/. - fix regression with mpfr_mpz_root (from Keith Briggs, 5 July 2006), for example on 3Ghz P4 with gmp-4.2, x=12.345: prec=50000 k=2 k=3 k=10 k=100 |