Where does 'rescale' work in CKKS scheme?

[DylanWangWQF]

Hi team, I'm studying the CKKS scheme and wondering how does the rescale part work in the CKKS of HElib. If it's possible to modify it by ourselves? Similar question in #404 . For example, in HEAAN library, we can do:

reScaleByAndEqual(ctxt, cBits);
reScaleByAndEqual(ctxt, ctxt.logp);