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Add test for 0**{min_value, max_value} #3855

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Merged
ksagiyam merged 1 commit into from
Nov 22, 2024
Merged

Add test for 0**{min_value, max_value} #3855

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10 changes: 10 additions & 0 deletions tests/regression/test_assemble.py
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Original file line number Diff line number Diff line change
Expand Up @@ -334,3 +334,13 @@ def test_assemble_sparsity_diagonal_entries_for_bc():
A = assemble(inner(u[1], v[0]) * dx, bcs=[bc], mat_type="nest")
# Make sure that diagonals are allocated.
assert np.all(A.M.sparsity[1][1].nnz == np.ones(4, dtype=IntType))


@pytest.mark.skipcomplex
def test_assemble_power_zero_minmax():
mesh = UnitSquareMesh(1, 1)
V = FunctionSpace(mesh, "CG", 1)
f = Function(V).assign(1.)
g = Function(V).assign(2.)
assert assemble(zero()**min_value(f, g) * dx) == 0.0
assert assemble(zero()**max_value(f, g) * dx) == 0.0
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