(closes #31) adds a base sampler protocol, reorganizes samplers and main #40
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(closes #31)
This implements a (functional, so functions work!) protocol to define the
EntropySamplerinterface. New sampler implementations should be able to plug right into it.Specifically, we follow the jax idiom of passing state and, in addition to the obvious inputs, have the protocol be generic over two special arguments:
cfgrepresenting immutable configuration (hyperparameters) to the samplerstaterepresenting an encapsulation of the sampler state. This will be useful in more complex samplers (the baseline is currently stateless, so justNoneis used)This also refactors main slightly, promoting the
generatenested function to a generator class.This should pave the way (though does not do so yet) for the main loop to be able to easily swap out conforming sampler implementations in a type safe way.
(also this fixes up some random mismatched type annotations -- we could probably do with a fully type checker bug bash at some point)