12 commits

Author	SHA1	Message	Date
Fredrik Johansson	ecb70e7476	update copyright headers to switch from GPL to LGPL	2016-04-26 17:20:05 +02:00
Fredrik Johansson	2ba3e36dbd	avoid another square root, and fix formula in the documentation	2016-03-19 14:39:05 +01:00
Fredrik Johansson	8dfba32d8c	small optimization of erf: avoid real square root	2016-03-19 13:28:54 +01:00
Fredrik Johansson	c308e85329	erf_asymp: evaluate at midpoint when the input is small	2016-03-16 21:12:24 +01:00
Fredrik Johansson	c7ea34ed71	avoid cancellation in erfc	2016-03-14 16:24:16 +01:00
Fredrik Johansson	d0a2c0cb0d	compute erf without cancellation problems for complex z	2016-03-14 13:17:56 +01:00
Fredrik Johansson	21bd6886d9	use acb_csgn to save a couple of lines of code in erf	2016-02-18 01:42:51 +01:00
William Hart	7e113af67c	long -> slong in acb_hypgeom/ and acb_hypgeom/test/.	2015-11-05 17:46:43 +00:00
Fredrik Johansson	c28f77459e	erf: fix precision bug resulting in +/-inf for huge imaginary input	2015-10-05 02:51:27 +02:00
Fredrik Johansson	0d8d8ce1c4	fix broken code in erf	2015-02-19 16:27:20 +01:00
Fredrik Johansson	ff705d1874	minor cleanup	2015-01-16 10:20:36 +01:00
Fredrik Johansson	921290f764	implement the error function	2014-11-08 14:24:44 +01:00