Gm/dynamic length scan #49
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This builds on #47 which is why there are so many changes. |
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tests all pass at this point, btw |
georgematheos
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Marking this as a draft for now, since we can't implement inference in this version of the model yet due to https://github.com/probcomp/genjax/issues/1188. |
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This PR updates the latent particle system model, so that the length of the scan combinator can be changed dynamically, via calls to
trace.update.Unfortunately, making this change means that we have to pass around arrays of size
max_num_timestepsthat only containnum_timesteps < max_num_timestepsvalid pieces of data. This means we need to pass aroundgenjax.Maskobjects, and need to be a little bit careful to not to index at invalid time slices in some of the produced data structures.