151 commits

Author	SHA1	Message	Date
fredrik	88ee2a68fb	new arb_hypgeom_ci	2021-12-21 22:53:06 +01:00
fredrik	fcffcf32b8	more hypergeometric series code; new implementation of arb_hypgeom_si	2021-12-21 19:20:21 +01:00
fredrik	ac4ffbcafd	accuracy fix; test beta_lower cases	2021-12-10 18:40:00 +01:00
fredrik	e79a80340f	more numerical integration implementations	2021-12-10 18:12:01 +01:00
fredrik	2aa02b9171	use integration as fallback in some cases (experimental)	2021-12-10 13:36:27 +01:00
fredrik	fe6d001c84	new arb_hypgeom_erf, arb_hypgeom_erfc	2021-12-02 18:19:40 +01:00
fredrik	52474120ce	begin make old gamma functions call new code	2021-09-19 15:07:07 +02:00
fredrik	7eaf81d4b9	gamma fine-tuning	2021-09-02 12:53:03 +02:00
fredrik	97f2325896	arb_hypgeom_lgamma, acb_hypgeom_lgamma	2021-09-01 09:52:11 +02:00
fredrik	83b9ae5b58	log rising factorials	2021-08-30 11:44:06 +02:00
fredrik	f120e173b9	try better wide bounds; rgamma example integral	2021-08-06 12:47:53 +02:00
fredrik	01c219f876	complex taylor gamma; bugfixes	2021-08-06 11:32:28 +02:00
fredrik	6d10f770ce	work on acb_hypgeom_gamma	2021-08-04 19:20:42 +02:00
fredrik	1cbd8704cc	all the rising factorial algorithms for acb	2021-07-29 13:16:29 +02:00
fredrik	0f54bc6826	start of new rising factorial code	2021-07-07 18:01:27 +02:00
p15-git-acc	75cf01c68a	use the right format specifiers for slong and ulong	2020-11-12 16:41:19 -06:00
p15-git-acc	95e6949d02	more special values	2020-09-22 15:38:21 -05:00
p15-git-acc	a7699e4437	use one sided instead of two sided norm comparison	2020-09-10 00:48:00 -05:00
p15-git-acc	cfcb7dd8aa	change double to mag in incomplete gamma algorithm selection	2020-09-09 13:05:20 -05:00
p15-git-acc	4ff47db9fb	incomplete gamma improvement and tests	2020-09-07 18:41:00 -05:00
p15-git-acc	961f73ed4e	change how some integer shape parameters are handled	2020-09-07 13:14:49 -05:00
p15-git-acc	df2a194695	improve upper incomplete gamma algorithm selection for nonnegative real s and z	2020-09-07 11:52:37 -05:00
p15-git-acc	eb3078416d	avoid asymptotic expansion for incomplete upper gamma under some conditions	2020-09-04 04:15:45 -05:00
fredrik	6c3738555d	acb_hypgeom_pfq_series_sum: prefer sum_rs also for larger len, since acb_poly_div_series is faster now (reported by Mark Watkins)	2019-10-14 18:31:22 -04:00
fredrik	a06da12ef2	fungrim refs for Coulomb wave function formulas in comments	2019-08-13 16:24:12 +02:00
fredrik	200fa51afd	fix branch cut bug preventing convergence for irregular Coulomb wave functions	2019-06-13 01:25:12 +09:00
fredrik	19777bff75	permit finite eval of coulomb_f at z = 0	2019-02-28 17:18:56 +01:00
fredrik	bd4359adeb	allow series expansion of Coulomb F at z = 0 (not currently covered by test code)	2019-02-27 20:29:59 +01:00
fredrik	8223465324	Coulomb wave functions	2019-02-26 15:12:19 +01:00
fredrik	3f2a79b7d5	some attempt to estimate cancellation in hypgeom_u	2019-02-23 14:16:56 +01:00
fredrik	b17506e22d	add rel_one_accuracy_bits methods; improvement to precision handling for hypgeom_m	2019-02-22 13:28:03 +01:00
fredrik	514d19461a	fix imag part incorrectly being set to zero for imaginary z in bessel_i_scaled	2018-07-19 21:24:41 -04:00
fredrik	3bba3750ea	legendre_p: handle inexact integer a+b-c in 2F1 better (patch by Joel Dahne)	2018-07-06 12:42:58 +02:00
fredrik	08345b400c	Airy functions: fix precision loss for huge input and high precision	2018-05-01 11:02:49 +02:00
fredrik	7f98274601	implement scaled modified Bessel functions	2018-03-23 13:41:46 +01:00
fredrik	d64055fb3f	attempt to improve bounds for Airy functions	2018-02-11 22:28:49 +01:00
Fredrik Johansson	ffaed26841	fast and accurate evaluation of ordinary Legendre polynomials (may need further work)	2017-10-09 21:29:48 +02:00
Tommy Hofmann	6bf072eb59	Replace abort with flint_abort. ... This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243	2017-02-28 16:52:57 +01:00
Fredrik Johansson	882c0ec62d	increase working precision in dilog	2017-02-26 00:08:30 +01:00
Fredrik Johansson	663b4c58e4	dilog_bernoulli: real output	2017-02-25 16:46:04 +01:00
Fredrik Johansson	536ec0faaf	faster dilog implementation	2017-02-24 21:58:23 +01:00
Fredrik Johansson	f6d26a52e3	add mag_get_d_log2_approx as a public method	2017-02-22 11:21:58 +01:00
Fredrik Johansson	baa6628e5c	fix some missing clears()	2016-12-05 14:37:08 +01:00
Fredrik Johansson	043a589e04	fix aliasing issue in acb_hypgeom_gamma_lower	2016-09-06 13:09:02 +02:00
Fredrik Johansson	3a4005d1e1	more arb_hypgeom wrappers	2016-07-07 01:49:25 +02:00
Fredrik Johansson	2666a0f4c4	hypgeom_u: use division-free algorithm for small polynomial cases	2016-06-09 13:43:27 +02:00
Fredrik Johansson	1835534cae	incomplete beta function	2016-05-19 15:43:15 +02:00
Fredrik Johansson	5d77920f43	pfq_series_sum: implement binary splitting and rectangular splitting -> greatly speeds up Y_n(z), K_n(z) and other functions at high precision, and speeds up high-order parameter derivatives	2016-05-16 18:40:45 +02:00
Fredrik Johansson	5810ef58da	acb_hypgeom_pfq_series_sum_forward: fix regularized=1, q=0 case	2016-05-16 12:16:03 +02:00
Fredrik Johansson	2c122bcc49	fix a very silly bug in pfq_choose_n resulting in near-integers not being properly skipped in some cases	2016-05-11 20:12:27 +02:00