Commit 232b6f34 authored by Christoph Groth's avatar Christoph Groth
Browse files

bugfix: do not fail when the Hamiltonian has no non-zero entries

parent be9e81b4
......@@ -148,7 +148,7 @@ class SparseSolver(object):
lhs = lhs - energy * sp.identity(lhs.shape[0], format=self.lhsformat)
num_orb = lhs.shape[0]
if check_hermiticity:
if check_hermiticity and len(
rtol = 1e-13
atol = 1e-300
tol = rtol * np.max(np.abs( + atol
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