def test_local_solver_default_beta_range():
model = LogicalModel(mtype="ising")
s = model.variables("s", shape=(2,))
model.add_interaction(s[0], coefficient=1.0)
model.add_interaction(s[1], coefficient=2.0)
model.add_interaction((s[0], s[1]), coefficient=-3.0)
solver = LocalSolver()
beta_range = solver.default_beta_range(model.to_physical())
assert beta_range == [0.13862943611198905, 4.605170185988092]
def test_local_solver_default_beta_range_fails():
model = LogicalModel(mtype="ising")
solver = LocalSolver()
with pytest.raises(ValueError):
solver.default_beta_range(model.to_physical())