test_make_subexpr_subst AssertionError: assert Product((Call(Variable('subst'), (Variable('i'), Variable('j'))), Power(Subscript(Variable('a'), (Variable('k'),)), 1), Power(Subscript(Variable('d'), (Variable('k'),)), 1), 1)) == Product((Call(Variable('subst'), (Variable('i'), Variable('j'))), Subscript(Variable('a'), (Variable('k'),)), Subscript(Variable('d'), (Variable('k'),)))) + where Product((Call(Variable('subst'), (Variable('i'), Variable('j'))), Subscript(Variable('a'), (Variable('k'),)), Subscript(Variable('d'), (Variable('k'),)))) = <function flatten at 0x7fbc00395c10>(Product((Call(Variable('subst'), (Variable('i'), Variable('j'))), Product((Subscript(Variable('a'), (Variable('k'),)), Subscript(Variable('d'), (Variable('k'),))))))) + where Product((Call(Variable('subst'), (Variable('i'), Variable('j'))), Product((Subscript(Variable('a'), (Variable('k'),)), Subscript(Variable('d'), (Variable('k'),)))))) = <pymbolic.parser.Parser object at 0x7fbc036aa8b0>('subst(i, j)*a[(k,)]*d[(k,)]')

test_differentiator_flags_for_nonsmooth_and_discontinuous AssertionError: assert Product((Call(Lookup(Variable('math'), 'copysign'), (1, Variable('x'))), 1)) == Call(Lookup(Variable('math'), 'copysign'), (1, Variable('x'))) + where Call(Lookup(Variable('math'), 'copysign'), (1, Variable('x'))) = <function sign at 0x7fb4cdce2c10>(Variable('x')) + where <function sign at 0x7fb4cdce2c10> = <module 'pymbolic.functions' from '/home/runner/work/pymbolic/pymbolic/pymbolic/functions.py'>.sign

test_coefficient_collector AssertionError: assert {Variable('x'...able('z'), 2)} == {Variable('x'...able('z'), 2)} Omitting 1 identical items, use -vv to show Differing items: {Variable('x'): Product((1, Quotient(1, 2)))} != {Variable('x'): Quotient(1, 2)} Full diff: { 1: Power(Variable('z'), 2), - Variable('x'): Quotient(1, 2), + Variable('x'): Product((1, Quotient(1, 2))), ? ++++++++++++ ++ }

[doctest] pymbolic.mapper.differentiator.DifferentiationMapper