intermittent divide by zeros from lnZprior

[outs1der]

• beans version: 2.2.1
• Python version: 3.8.12
• Operating System: macOS Ventura 13.3.1

Description

intermittent warnings during sampling following call to do_run, when using the lnZprior function (called in turn from the prior for SAX J1808.4-3658, prior_1808):

.../python3.8/site-packages/beansp/beans.py:71: RuntimeWarning: divide by zero encountered in log return np.log(

doesn't seem to affect operations otherwise

What I Did

from beansp import Beans, beans
B=Beans(prior=beans.prior_1808)
B.do_run()