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-rw-r--r--src/python/gudhi/cubical_complex.pyx4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/python/gudhi/cubical_complex.pyx b/src/python/gudhi/cubical_complex.pyx
index 3ace2517..28fbe3af 100644
--- a/src/python/gudhi/cubical_complex.pyx
+++ b/src/python/gudhi/cubical_complex.pyx
@@ -221,14 +221,14 @@ cdef class CubicalComplex:
ess_ind = np.argwhere(pr[:,2] == -1)[:,0]
ess = pr[ess_ind]
- max_h = max(ess[:,0])+1
+ max_h = max(ess[:,0])+1 if len(ess) > 0 else 0
for h in range(max_h):
hidxs = np.argwhere(ess[:,0] == h)[:,0]
output[1].append(ess[hidxs][:,1])
reg_ind = np.setdiff1d(np.array(range(len(pr))), ess_ind)
reg = pr[reg_ind]
- max_h = max(reg[:,0])+1
+ max_h = max(reg[:,0])+1 if len(reg) > 0 else 0
for h in range(max_h):
hidxs = np.argwhere(reg[:,0] == h)[:,0]
output[0].append(reg[hidxs][:,1:])