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Author SHA1 Message Date
John Maddock
2986ee8bf6 Renamed next_* functions to float_*. 
[SVN r45216]
 2008-05-08 16:16:51 +00:00
John Maddock
5ebe9d5b2f Split TR1 library build into separate libraries for C99 and TR1, plus separates for float/double/long double etc. 
Added concept check for TR1 header.
Added basic runtime check for TR1 header.

[SVN r45215]
 2008-05-08 16:09:30 +00:00
John Maddock
e909163e72 Fixed import/export code, and added auto-linking support. 
[SVN r45214]
 2008-05-08 16:07:22 +00:00
John Maddock
4873f71729 Added TR1 header, and tidied up ellint_3 declarations. 
[SVN r45127]
 2008-05-05 11:09:28 +00:00
John Maddock
4d3b6e4984 Added source for TR1 C-compatible versions of the math functions. 
[SVN r45126]
 2008-05-05 11:07:48 +00:00
John Maddock
d7e23fd2a4 Added first cut of nextafter family of functions. 
[SVN r44878]
 2008-04-29 12:01:22 +00:00
John Maddock
3ccbd30ab3 Merged patches from Trunk. 
[SVN r44695]
 2008-04-21 13:04:30 +00:00
John Maddock
5e1e3ee209 Updated erf implementation notes. 
[SVN r44129]
 2008-04-09 15:56:07 +00:00
Paul A. Bristow
ff0b3dfb0b Better link added 
[SVN r44100]
 2008-04-07 17:57:04 +00:00
Paul A. Bristow
7fa52cdb73 added more examples & #include line 
[SVN r44098]
 2008-04-07 17:50:32 +00:00
John Maddock
c266b6d28a Updated last commit info, plus compiler compatibility and news. 
[SVN r44092]
 2008-04-07 16:33:50 +00:00
John Maddock
1b7401b4c0 Merged changes from Trunk. 
[SVN r44090]
 2008-04-07 15:43:09 +00:00
Paul A. Bristow
d1a92f496c added credit for SVG plot to credit 
[SVN r44038]
 2008-04-04 17:00:57 +00:00
John Maddock
501072165e Updated minimax docs, and program. 
Changed erf/erfc approximations to more efficient versions.

[SVN r43908]
 2008-03-28 11:27:38 +00:00
Paul A. Bristow
62909573be Added note on user option to handle infinity and other special cases by intercept before calling distribution or function. 
[SVN r43801]
 2008-03-23 11:53:51 +00:00
John Maddock
d02ae84866 Added new pow function from Bruno Lalande. 
Fixed a few bugs in the non-central distro's that could cause infinite looping.
Added non central distros to the performance test app.

[SVN r43800]
 2008-03-23 10:32:21 +00:00
John Maddock
a0cee42445 Updated equations so that they are all 120dpi images. 
Also tweaked a few for better readability.

[SVN r43589]
 2008-03-13 12:30:20 +00:00
Paul A. Bristow
2261e271d2 Added more comment and correct spelling mistake. 
[SVN r43588]
 2008-03-13 10:56:48 +00:00
Paul A. Bristow
c91e03129a Corrected correction in uniform :-( = for ==, again. 
[SVN r43587]
 2008-03-13 10:55:35 +00:00
Paul A. Bristow
5d73fa8ef1 Changed logic of error as suggested by johneddy101@comcast.net similar to uniform 
[SVN r43551]
 2008-03-10 17:53:15 +00:00
Paul A. Bristow
4d4113ffc5 Added 
Some analytic properties of noncentral distributions
(particularly unimodality, and monotonicity of their modes)
are surveyed and summarized by:

Andrea van Aubel & Wolfgang Gawronski, Applied Mathematics and Computation, 141 (2003) 3-12.



[SVN r43550]
 2008-03-10 17:51:46 +00:00
Paul A. Bristow
f25f6a6d89 Changed logic of error as suggested by johneddy101@comcast.net 
[SVN r43545]
 2008-03-08 17:47:07 +00:00
John Maddock
c4eb8bfc55 Regenerated graphs: bar graphs now have a fill! 
Added new tests for non-central distributions.
Added new tests for rounding/truncation functions and fixed the bugs exposed by them.
Deleted no-longer used graph and equation files.

[SVN r43529]
 2008-03-06 16:32:02 +00:00
Paul A. Bristow
c393d7972f Got poisson distribution to fill right - but a histogram version would be better still. TODO! 
[SVN r43517]
 2008-03-05 16:46:09 +00:00
John Maddock
03927c6faf Removed graph files no longer in use. 
[SVN r43492]
 2008-03-04 16:40:38 +00:00
John Maddock
609ba84124 Shift more graphs to SVG. 
[SVN r43491]
 2008-03-04 13:22:57 +00:00
Paul A. Bristow
faddefbf30 Changed calls to area-fill to suit change to svg_plot but still not desired result. 
[SVN r43490]
 2008-03-04 12:19:20 +00:00
John Maddock
2396fa311c Fix mode of the weibull distribution. 
Add distribution new graphs as PNG and SVG, and change quickbook to reference them.
Update dist graph generator.

[SVN r43430]
 2008-02-28 19:12:00 +00:00
John Maddock
190c26240b Added non central distros to fwd.hpp. 
Tightened up error handing in the NC beta and T.
Added NC T docs and equations.
Updated NC T tests.

[SVN r43401]
 2008-02-23 09:52:40 +00:00
John Maddock
b652dc390c Fix bug that effects the behaviour when the result is negative. 
[SVN r43400]
 2008-02-23 09:46:43 +00:00
John Maddock
5e22dad52e Added non-central T to distributions.hpp. 
Updated generic_mode to use additive stepping where appropriate.
Improved NC-Beta PDF calculation and termination conditions.
More or less got non-central T finished off: quantiles now work, PDF and mode almost correct.
Fixed typo in toms748_solve.hpp
Updated NC-T tests to include mode and quantile.

[SVN r43333]
 2008-02-20 18:11:43 +00:00
John Maddock
3e6b00970c Added some fixes to check for iterations >= the limit rather than ==. 
Added extra common error handler.
Factored out some generic quantile code.
Killed some warnings in NC Beta.
Added initial non central T.
Fixed a few doc typos.
Added initial NC T tests.


[SVN r43324]
 2008-02-19 16:52:02 +00:00
Paul A. Bristow
ee4e77d39e Slight changes to number of points and line widths (now works) 
[SVN r43315]
 2008-02-19 09:44:11 +00:00
Paul A. Bristow
f3366e11f6 Added short comment about range of df for mode. 
[SVN r43276]
 2008-02-16 10:53:34 +00:00
Paul A. Bristow
6dd0f0d42c Corrected range to permit df == 2 
and Added comment(-ed code) about mode with df < 2.

No reply to question about this on Wikipedia 16 Feb 08. 

[SVN r43275]
 2008-02-16 10:36:02 +00:00
John Maddock
d77728bffb Ooops, fix comment. 
[SVN r43223]
 2008-02-11 17:30:28 +00:00
John Maddock
12df5b2419 Updated non central beta cdf to accept both x and 1-x on input: allows greater accuracy when using these routines in the non central F and T distributions. 
Updated non central F to take advantage of this.
Added some non central distributions to the graph generator.

[SVN r43222]
 2008-02-11 17:21:14 +00:00
Paul A. Bristow
4cad6767e6 Editorial work on non-central distribs 
[SVN r43161]
 2008-02-07 18:47:08 +00:00
Paul A. Bristow
0074799715 Added new links for noncentral 
[SVN r43160]
 2008-02-07 18:46:16 +00:00
John Maddock
ca25f35eef Added non-central F docs, plus updated nc beta docs. 
[SVN r43124]
 2008-02-06 12:46:52 +00:00
Paul A. Bristow
657df81a9d Added link to the source program (and comment on the [] used to make a Quickbook table. 
[SVN r43115]
 2008-02-05 17:49:18 +00:00
Paul A. Bristow
2b1b061420 Updated comments on relation to other extreme value distributions. 
[SVN r43114]
 2008-02-05 17:43:20 +00:00
John Maddock
8e6ce7d00c Made the non-central chi-squared PDF more robust. 
Set generic mode calculation to throw if the original guess yields a zero PDF.
Updated tests to match.

[SVN r43098]
 2008-02-04 18:57:37 +00:00
John Maddock
698f280920 Added non central F distribution. 
Tidied up non-central beta and Chi squared distribution by factoring out common generic-mode code.
Updated RR bindings.

[SVN r43075]
 2008-02-03 17:17:32 +00:00
John Maddock
d047251208 Added non central beta docs. 
Added script to auto-generate images from the .mml files.
Updated nc-beta tests for correct error rates and hooks to test R library.

[SVN r43032]
 2008-01-31 10:57:30 +00:00
John Maddock
38e3301e09 More or less finished off the non central beta. 
[SVN r43020]
 2008-01-30 12:42:26 +00:00
John Maddock
b45ba0d428 Added initial commit of non-central beta distribution: CDF and quantile work OK, but nothing else! 
[SVN r42999]
 2008-01-28 18:29:37 +00:00
John Maddock
04a99ac565 Optimise the sums when we're going to be subtracting the result from 1. 
[SVN r42998]
 2008-01-28 18:28:16 +00:00
John Maddock
b747333580 Updated concepts to reflect dependence on the rounding functions. 
[SVN r42928]
 2008-01-23 13:59:56 +00:00
John Maddock
50c6a15594 Adjusted error levels for non-central chi square for Minwg support. 
Added rounding_error to docs.

[SVN r42925]
 2008-01-23 13:14:22 +00:00