def next(self, state, **runopts):
# update the first sample in `state.sampleset`, inplace
# XXX: assume one global sample, one subsample
# TODO: generalize
sample = next(iter(state.samples.change_vartype(state.subsamples.vartype).samples()))
subsample = next(iter(state.subsamples.samples()))
composed_sample = updated_sample(sample, subsample)
composed_energy = state.problem.energy(composed_sample)
return state.updated(
samples=SampleSet.from_samples(composed_sample, state.samples.vartype, composed_energy))
def next(self, state, **runopts):
# update the first sample in `state.sampleset`, inplace
# XXX: assume one global sample, one subsample
# TODO: generalize
sample = next(
iter(
state.samples.change_vartype(
state.subsamples.vartype).samples()))
subsample = next(iter(state.subsamples.samples()))
sample_energy = state.problem.energy(sample)
composed_sample = updated_sample(sample, subsample)
composed_energy = state.problem.energy(composed_sample)
logger.debug("{name} subsample (len={sslen}) -> sample (len={slen}), "
"sample energy changed {old_en} -> {new_en}".format(
name=self.name,
sslen=len(subsample),
slen=len(sample),
old_en=sample_energy,
new_en=composed_energy))
return state.updated(samples=SampleSet.from_samples(
composed_sample, state.samples.vartype, composed_energy))