def test_bdd_simplify(self):
s = BddSimplifier()
for (f, _, _, logic) in get_example_formulae():
if logic == QF_BOOL:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
s = BddSimplifier()
try:
s.validate_simplifications = True
except ValueError:
self.assertTrue(len(self.env.factory.all_solvers())==1)
for (f, _, _, logic) in get_example_formulae():
if logic == QF_BOOL:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
def test_bdd_simplify_bool_abs(self):
s = BddSimplifier()
for (f, _, _, logic) in get_example_formulae():
if not logic.theory.linear: continue
if logic != QF_BOOL:
with self.assertRaises(ConvertExpressionError):
s.simplify(f)
s = BddSimplifier(bool_abstraction=True)
for (f, _, _, logic) in get_example_formulae():
if logic.quantifier_free:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
s = BddSimplifier(bool_abstraction=True)
f = And(Equals(Plus(Int(5), Int(1)), Int(6)), Symbol("x"))
fs = s.simplify(f)
self.assertEqual(fs, Symbol("x"))
def test_bdd_simplify(self):
s = BddSimplifier()
for (f, _, _, logic) in get_example_formulae():
if logic == QF_BOOL:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
s = BddSimplifier()
try:
s.validate_simplifications = True
except ValueError:
self.assertTrue(len(self.env.factory.all_solvers()) == 1)
for (f, _, _, logic) in get_example_formulae():
if logic == QF_BOOL:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
def test_bdd_simplify_bool_abs(self):
s = BddSimplifier()
for (f, _, _, logic) in get_example_formulae():
if not logic.theory.linear: continue
if logic != QF_BOOL:
with self.assertRaises(ConvertExpressionError):
s.simplify(f)
s = BddSimplifier(bool_abstraction=True)
for (f, _, _, logic) in get_example_formulae():
if logic.quantifier_free:
fprime = s.simplify(f)
self.assertValid(Iff(fprime, f))
s = BddSimplifier(bool_abstraction=True)
f = And(Equals(Plus(Int(5), Int(1)),
Int(6)),
Symbol("x"))
fs = s.simplify(f)
self.assertEqual(fs, Symbol("x"))
