5 commits

Author	SHA1	Message	Date
Fredrik Johansson	c2a9b8b3e8	add cmpabs, fix bugs, and simplify division error bounding	2012-09-14 12:38:43 +02:00
Fredrik Johansson	c50370d897	add test code for ball arithmetic	2012-09-10 23:50:33 +02:00
Fredrik Johansson	a049873a9c	implement power series inversion; fix multiplication bug	2012-09-05 02:12:32 +02:00
Fredrik Johansson	d780701d0c	some more utility functions; cached const_pi	2012-09-03 16:26:41 +02:00
Fredrik Johansson	3695c29072	more functions, and first version of ball arithmetic	2012-09-01 23:32:52 +02:00