Adjust derivatives of beta_incomplete and friends
commitad682b0df22d406dd83ac669372961c68fa5be95
authorRobert Dodier <robert_dodier@users.sourceforge.net>
Mon, 6 Dec 2021 00:12:48 +0000 (5 16:12 -0800)
committerRobert Dodier <robert_dodier@users.sourceforge.net>
Mon, 6 Dec 2021 00:16:07 +0000 (5 16:16 -0800)
tree35ea81826070001e275a8bf1537bcf1ccadd35da
parent9b9c022850c491379067733574a28fd5ccebde6f
Adjust derivatives of beta_incomplete and friends
to agree with formulas stated by functions.wolfram.com.

Implement test cases to verify formulas, and also to verify
numerical results (comparing numerical results from formulas
with results from finite difference approximation).
src/gamma.lisp
tests/rtest_gamma.mac