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Author SHA1 Message Date
jzmaddock
e2cd2e72dc [polygamma] Document new method for negative x in code comments, simply some code, change table to coefficients to store only non-zero values. 2014-11-20 09:56:21 +00:00
jzmaddock
075f9f893b [polygamma] Change low order negative-x cases to use new polynomial method. Change expected error rates to match. 2014-11-18 18:27:21 +00:00
jzmaddock
495d4655b4 [polygamma] remove dead code. 2014-11-17 18:23:30 +00:00
jzmaddock
f4b86c2996 [polygamma] Switch to new better method for handling negative arguments. 2014-11-17 18:12:25 +00:00
jzmaddock
26f063eca4 Fix accuracy issue in cos_pi. 
Add tests for cos_pi and sin_pi.
Doc regen.
 2014-11-16 17:18:17 +00:00
jzmaddock
9d6df5d835 [polygamma] Remove some dead code and tidy up initialization and policy usage. 2014-11-14 17:05:41 +00:00
jzmaddock
23081c32f4 [polygamma] Update negative arg behavior. 2014-11-14 12:46:46 +00:00
jzmaddock
04207ee430 Fix some typos. 2014-11-09 18:22:21 +00:00
jzmaddock
8147bb92d8 [Polygamma] Add equations and graphs. 2014-11-08 19:08:00 +00:00
jzmaddock
1beedd6487 [polygamma] Initial docs. 2014-11-08 11:50:48 +00:00
jzmaddock
2bcdfed1a4 [Polygamma] Remove dead code. 2014-11-08 11:03:45 +00:00
jzmaddock
dd92123098 [digamma] fix reference. 2014-11-07 16:57:18 +00:00
jzmaddock
50778a40c4 [digamma]Oops fix missing return statement on half integer special case. 2014-11-07 16:56:15 +00:00
jzmaddock
0e98fd90c2 [Polygamma] Add optimized trigamma version that uses rational approximations. 2014-11-07 16:32:41 +00:00
jzmaddock
ccf0f82244 [polygamma] Add trigamma to minimax finding code. 2014-11-07 16:31:48 +00:00
jzmaddock
8477de53b4 [polygamma]Fix spurious overflow for very large x. 2014-11-04 18:27:48 +00:00
jzmaddock
3478ee9c46 [polygamma] Fix GCC failures, a few bugs and forward policy arguments. Fix test data to be 128-bit safe. 2014-11-03 17:55:21 +00:00
jzmaddock
d50cf889f6 Add basic thread safety and initialization code. 2014-11-03 12:01:11 +00:00
jzmaddock
eccec791c7 [polygamma] Fix spurious overflow in transition zone, update cot derivative to work to arbitrary level. 2014-11-03 11:50:10 +00:00
jzmaddock
e70f53e670 [Polygamma] Fix issues with small negative arguments for x. 
Tidy up a couple of cosmetic coding issues.
 2014-10-31 18:51:14 +00:00
jzmaddock
8438b8a84b [Polygamma] Extend derivatives-of-cot method to larger orders. 
Extend test cases for negative x.
Fix missing return statement on error condition.
 2014-10-31 18:07:01 +00:00
jzmaddock
31c345108c [polygamma] Fix gcc-11 test failures. 2014-10-30 17:13:39 +00:00
jzmaddock
812122d56f Fix include order to be alphabetical, update copyright. 2014-10-30 11:13:31 +00:00
jzmaddock
3f58ab9009 Fix copyright info. 2014-10-30 11:11:50 +00:00
jzmaddock
513606dec5 [Polygamma] Don't use integer values in SC_ macro as it doesn't work with __float128. 2014-10-30 11:09:20 +00:00
jzmaddock
081abc704a [zeta/polygamma]Add cache of odd-integer zeta values. 
Fix even integer case to call fast closed-form code more often.
Fix initialization code to initializes new cache of even-integer values.
 2014-10-30 11:08:36 +00:00
jzmaddock
8a36ba07d1 {Polygamma]Fix polygamma_nearzero to call correct zeta function overload. 2014-10-30 11:06:28 +00:00
jzmaddock
232e7af69b [polygamma] short circuit series evaluation when it can make no difference to the result. 2014-10-29 17:38:38 +00:00
jzmaddock
8362ab2a08 [polygamma] 
Replace small-x expansion with one that's accelerated and avoids spurious overflow.
Also tweak selection logic, and reuse variables better.
 2014-10-28 19:39:35 +00:00
jzmaddock
7427376bd9 [Polygamma] 
Fix test data for small x - input x value were off slightly.
 2014-10-28 19:37:50 +00:00
jzmaddock
83e6f58614 Add tests for small x. 2014-10-27 17:40:12 +00:00
jzmaddock
a3bed60089 More test failure fixes. 2014-10-26 16:25:19 +00:00
jzmaddock
22bc7212e7 [Polygamma] 
Hook up concept checks.
Move test instantiations into instances lib.
Fix a few test failures.
Add Nikhar's trigamma tests.
 2014-10-26 09:42:11 +00:00
jzmaddock
dffdb444ee Expand test cases for negative x. 
Add comment on the calculation of derivatives of cot(x).
 2014-10-25 17:28:09 +01:00
jzmaddock
bda3331ed3 [Polygamma] 
Fix digits_base10 to actually return the correct value!
Add support for negative x.
Add missing using declaration to digamma.
Update tests with negative x tests.
 2014-10-24 18:50:37 +01:00
jzmaddock
f2ae6940ca [Polygamma] 
Optimize zeta function for integer arguments.
 2014-10-23 17:08:19 +01:00
jzmaddock
29e86c8fcb [Polygamma] 
Extend existing digamma implementation to true multiprecision.
Add integer and half-integer test cases for digamma.
Change polygamma to call digamma when order is zero.
 2014-10-23 11:42:57 +01:00
jzmaddock
d9ea302cff Hook up basic multiprecision digamma. 2014-10-23 09:59:08 +01:00
jzmaddock
4bc3b6076c [Polygamma] 
Fix real_concept compilation and runtime.
Add digits_base10 support function to policies.
 2014-10-21 19:03:26 +01:00
jzmaddock
5f89e70efd [Polygamma] 
Add test cases.
Rewrite polygamma_atinfinityplus to avoid spurious underflow/overflow.
Rewrite polygamma_attransitionplus to call polygamma_atinfinityplus rather than have it's own routine.
Change condition which selects when polygamma_atinfinityplus can be called.
 2014-10-21 13:12:26 +01:00
jzmaddock
eb2525b516 Merge branch 'develop' into bernoulli-tgamma 
Conflicts:
	doc/equations/bernoulli_numbers2.mml
	doc/equations/bernoulli_numbers2.png
	doc/equations/bernoulli_numbers2.svg
	doc/equations/generate.sh
	doc/equations/tangent_numbers.png
	doc/equations/tangent_numbers.svg
	doc/math.qbk
	include/boost/cstdfloat.hpp
	include/boost/math/policies/error_handling.hpp
	include/boost/math/special_functions/detail/bernoulli_details.hpp
 2014-10-18 17:49:49 +01:00
jzmaddock
f1a4201589 Minor doc editing. 
Update history.
Regen docs.
 2014-10-05 09:13:26 +01:00
jzmaddock
317125fcca Merge branch 'develop' of https://github.com/boostorg/math into develop 2014-09-28 18:09:48 +01:00
jzmaddock
9860071f84 Remove all references to tr1 components. 
Update data generators to use Boost.Multiprecision.
 2014-09-28 18:09:27 +01:00
pabristow
818cf3ab11 Merge branch 'develop' of https://github.com/boostorg/math into develop 2014-09-25 16:42:20 +01:00
pabristow
91734c66e3 Many cosmetic edits to hyperexponential 2014-09-25 16:40:15 +01:00
pabristow
5a6d292729 Changed comments on snips. 2014-09-25 16:38:38 +01:00
jzmaddock
bd807c74e1 Fix more spurious overflows detected by Rocco Romeo. 2014-09-24 18:02:00 +01:00
jzmaddock
b471723bd1 Fix bug cases reported by Rocco Romeo: 
* Add another approximation for x very small.
* Add code to handle cases where tgamma(a) would overflow.
* Add tests for the above.
 2014-09-14 17:05:15 +01:00
jzmaddock
d1d6d5b063 Fix derivative of incomplete beta in special cases where a = b = 0.5 and b = 1. 
Add additional tests to non-central F and T distributions to verify above fix.
Fixes https://svn.boost.org/trac/boost/ticket/10480.
 2014-09-12 16:29:29 +01:00