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26 Commits

Author SHA1 Message Date
pabristow
b4ffbedf1e Change to use JM W0 version. 2018-01-30 12:11:03 +00:00
jzmaddock
698982d0db Math.LambertW: More rational approximations. 2017-11-28 17:59:44 +00:00
jzmaddock
c696891c44 Math: Add LambertW rational approximations and allow use of cpp_bin_float. 2017-11-27 19:05:30 +00:00
jzmaddock
7922883e7b Add improved approximations for K0 and K1. 
Based on http://www.advanpix.com/2016/01/05/rational-approximations-for-the-modified-bessel-function-of-the-second-kind-k1-for-computations-with-double-precision/
 2017-01-23 17:45:51 +00:00
jzmaddock
cc8e300bae Update I0 and I1 to use better approximations from Pavel Holoborodko 
See: http://www.advanpix.com/2015/11/11/rational-approximations-for-the-modified-bessel-function-of-the-first-kind-i0-computations-double-precision/
 2017-01-18 18:56:27 +00:00
jzmaddock
cb33d01b00 Adjust minimax code to work with Boost.Multiprecision. 2015-10-22 10:13:37 +01:00
jzmaddock
25b3ffa9da [ellint] try some different approximations for single-arg ellints. 2014-12-30 13:25:25 +00:00
jzmaddock
ccf0f82244 [polygamma] Add trigamma to minimax finding code. 2014-11-07 16:31:48 +00:00
John Maddock
1a5044497d Change cbrt implementation to use a better performing algorithm. 
Fix a few warnings along the way.

[SVN r59095]
 2010-01-17 17:28:34 +00:00
John Maddock
056d083a2f Changes relating to issue #3408. 
Add hooks for the dcdflib to the incomplete gamma tests.
Add hooks for the dcdflib to the igamma performance tests.
Some small performance enhancements.

[SVN r56370]
 2009-09-24 11:23:52 +00:00
John Maddock
cddabd5ab1 Fix inspection report issues. 
[SVN r49282]
 2008-10-11 15:46:53 +00:00
John Maddock
d816b0e2ff Merge changes from the Sandbox to Trunk. 
Rebuilt docs.

[SVN r47080]
 2008-07-04 17:14:37 +00:00
John Maddock
669bfb3991 Merged changes from sandbox to Trunk: 
New special functions for truncation and rounding, plus exponential integrals and zeta.
New non central distributions.
Updated equation png's so that they are all consistent.

[SVN r44091]
 2008-04-07 15:58:51 +00:00
John Maddock
772c8ae7ca Initial math-toolkit commit. 
Includes all code and tests, but no docs yet.

[SVN r39792]
 2007-10-08 16:58:15 +00:00
John Maddock
6bd903d454 Updated NTL::RR support with a thin wrapper class: RR can now be used unmodified via the supplied wrapper. 
[SVN r39239]
 2007-09-13 16:56:24 +00:00
John Maddock
4ef10fbe2c Added updated SOC Bessel function code. 
Changed overlow_error to have a default second argument, updated client code to take advantage of this.


[SVN r3629]
 2007-01-19 17:05:21 +00:00
John Maddock
22dce1381e Integrated existing Boost.Math special functions, updated them to meet our conceptual requirements, and use our error handlers. 
Lots of warning suppression changes.
Added new tests to verify header includes (plus fixes where these new tests failed!).
Documentation updates.


[SVN r3575]
 2006-12-29 18:27:29 +00:00
John Maddock
b89f35783e More editorial and proof reading fixes. 
Added initial draft of Remez background information.


[SVN r3414]
 2006-11-19 18:29:06 +00:00
John Maddock
8441e358fb Rewritten tgamma1pm1 in terms of lgamma rational approximations: now more efficient and more accurate! 
Minor patch to exponential distribution tests.
Removed dead code from Remez app.


[SVN r3331]
 2006-10-31 10:50:11 +00:00
John Maddock
527bf0d227 Updated erf implementation selection logic. 
Provided rational expansions for expm1.
Provided faster form for log1p.
Updated remez minimax code.


[SVN r3319]
 2006-10-25 18:10:13 +00:00
John Maddock
5b95219e09 Fixed digamma 128-bit error rates with a more accurate value for the root. 
Updated png's: hopefully they'll all render OK now.
Tweeked docs to reflect recent advances.


[SVN r3237]
 2006-10-04 09:57:05 +00:00
John Maddock
dc9165592e Updated digamma docs and code. 
Added needed include to test_data.hpp.
Changed Doc Jamfile to generate TOC with 0.2 version FOP.


[SVN r3232]
 2006-10-02 16:58:49 +00:00
John Maddock
5997e3249c Added digamma. 
Added needed #include to evaluation_type.
Updated minimax and lanczos generators to take account of digamma.


[SVN r3231]
 2006-10-01 09:45:44 +00:00
John Maddock
11c1946e1e Fix minor bug in test_data.hpp. 
Updated docs with minima and minimax docs.
Also reorganised to separate out the more experimental components.


[SVN r3218]
 2006-09-26 18:24:13 +00:00
John Maddock
5b9e2ec5a8 Added new (better) forms for evaluating polynomials. 
Added more Remez code, and appoximations for erf/erfc inverses.
Updated and refactored erf code to use new approximations.
Added more test cases.


[SVN r3210]
 2006-09-22 09:28:40 +00:00
John Maddock
6ee3cba62b Added Remez minimax code. 
[SVN r3197]
 2006-09-15 16:18:07 +00:00