Consistent naming of low-level function

[albcab]

Closes #280

[junpenglao]

Thanks!

[codecov]

Codecov Report

Merging #532 (7966f81) into main (6fb0198) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #532   +/-   ##
=======================================
  Coverage   99.28%   99.28%           
=======================================
  Files          47       47           
  Lines        1948     1948           
=======================================
  Hits         1934     1934           
  Misses         14       14           

Impacted Files	Coverage Δ
blackjax/kernels.py	99.21% <100.00%> (ø)
blackjax/mcmc/elliptical_slice.py	95.00% <100.00%> (ø)
blackjax/mcmc/ghmc.py	100.00% <100.00%> (ø)
blackjax/mcmc/hmc.py	100.00% <100.00%> (ø)
blackjax/mcmc/mala.py	100.00% <100.00%> (ø)
blackjax/mcmc/nuts.py	100.00% <100.00%> (ø)
blackjax/mcmc/periodic_orbital.py	100.00% <100.00%> (ø)
blackjax/sgmcmc/csgld.py	100.00% <100.00%> (ø)
blackjax/sgmcmc/sghmc.py	100.00% <100.00%> (ø)
blackjax/sgmcmc/sgld.py	100.00% <100.00%> (ø)
... and 2 more