def test_init(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x.set_cst(PyDoubleScalarCoeff(8))
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
self.assertEqual(str(c), '3.0·x0 - 9.0·z + 8.0 >= 0')
self.assertEqual(str(PyLincons1.unsat(e)), '-1.0 >= 0')
self.assertEqual(str(PyLincons1(ConsTyp.AP_CONS_DISEQ, PyLinexpr1(e))), '0.0 != 0')
def test_init(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x0 = PyLinexpr1(e, 0)
self.assertEqual(str(PyTexpr1(x)), '0.0')
self.assertEqual(str(PyTexpr1(x0)), '0.0 + 0.0 · x0 + 0.0 · y + 0.0 · z')
x.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(-1))
x.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x.set_cst(PyDoubleScalarCoeff(8))
self.assertEqual(str(PyTexpr1(x)), '8.0 - 1.0 · x0 - 9.0 · z')
def test_is_unsat(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x.set_cst(PyDoubleScalarCoeff(8))
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
self.assertFalse(c.is_unsat())
self.assertTrue(PyLincons1.unsat(e).is_unsat())
self.assertTrue(PyLincons1(ConsTyp.AP_CONS_DISEQ, PyLinexpr1(e)).is_unsat())
def test_init(self):
e = PyEnvironment([PyVar('x'), PyVar('y')], [PyVar('z')])
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x'), PyDoubleScalarCoeff(3))
x1.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x1.set_cst(PyDoubleScalarCoeff(8))
c1 = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x1)
x2 = PyLinexpr1(e)
x2.set_coeff(PyVar('x'), PyDoubleScalarCoeff(1))
c2 = PyLincons1(ConsTyp.AP_CONS_SUP, x2)
a = PyLincons1Array([c1, c2])
self.assertEqual(str(a), '3.0·x - 9.0·z + 8.0 >= 0 ∧ 1.0·x + 0.0 > 0')
def test_is_real(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x0 = PyLinexpr1(e)
x0.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
self.assertFalse(x0.is_real())
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x1.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
self.assertFalse(x1.is_real())
x2 = PyLinexpr1(e)
x2.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
self.assertTrue(x2.is_real())
def test_get(self):
e = PyEnvironment([PyVar('x'), PyVar('y')], [PyVar('z')])
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x'), PyDoubleScalarCoeff(3))
x1.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x1.set_cst(PyDoubleScalarCoeff(8))
c1 = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x1)
x2 = PyLinexpr1(e)
x2.set_coeff(PyVar('x'), PyDoubleScalarCoeff(1))
c2 = PyLincons1(ConsTyp.AP_CONS_SUP, x2)
a = PyLincons1Array([c1, c2])
c = a.get(1)
self.assertNotEqual(str(c), str(c1))
self.assertEqual(str(c), str(c2))
def test_is_quasilinear(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x0 = PyLinexpr1(e)
x0.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x0.set_cst(PyDoubleScalarCoeff(-9))
self.assertTrue(x0.is_quasilinear())
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x0'), PyDoubleIntervalCoeff(3, 3))
x1.set_cst(PyDoubleIntervalCoeff(-9, 9))
self.assertFalse(x1.is_quasilinear())
x2 = PyLinexpr1(e)
x2.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x2.set_cst(PyDoubleIntervalCoeff(-9, 9))
self.assertTrue(x2.is_quasilinear())
def test_substitute(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x0 = PyLinexpr1(e)
x0.set_coeff(PyVar('x0'), PyMPQScalarCoeff(1))
x0.set_cst(PyMPQScalarCoeff(3))
t0 = PyTexpr1(x0)
c0 = PyTcons1.make(t0, ConsTyp.AP_CONS_SUPEQ)
self.assertEqual(str(c0), '3 + 1 · x0 >= 0')
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x0'), PyMPQScalarCoeff(1))
x1.set_cst(PyMPQScalarCoeff(-1))
t1 = PyTexpr1(x1)
c1 = PyTcons1.make(t1, ConsTyp.AP_CONS_SUPEQ)
self.assertEqual(str(c1), '-1 + 1 · x0 >= 0')
self.assertEqual(str(c0.substitute(PyVar('x0'), t1)),
'3 + 1 · (-1 + 1 · x0) >= 0')
def test_deepcopy(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x0 = PyLinexpr1(e)
x1 = deepcopy(x0)
x2 = x0
self.assertNotEqual(id(x0), id(x1))
self.assertEqual(id(x0), id(x2))
def test_make(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x.set_cst(PyDoubleScalarCoeff(8))
c = PyTcons1.make(PyTexpr1(x), ConsTyp.AP_CONS_SUPEQ)
self.assertEqual(str(c), '8.0 + 3.0 · x0 - 9.0 · z >= 0')
def test_substitute(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x0 = PyLinexpr1(e)
x0.set_coeff(PyVar('x0'), PyMPQScalarCoeff(1))
x0.set_cst(PyMPQScalarCoeff(3))
t0 = PyTexpr1(x0)
self.assertEqual(str(t0), '3 + 1 · x0')
x1 = PyLinexpr1(e)
x1.set_coeff(PyVar('x0'), PyMPQScalarCoeff(1))
x1.set_cst(PyMPQScalarCoeff(-1))
t1 = PyTexpr1(x1)
self.assertEqual(str(t1), '-1 + 1 · x0')
self.assertEqual(str(t0.substitute(PyVar('x0'), t1)), '3 + 1 · (-1 + 1 · x0)')
x2 = PyLinexpr1(e)
x2.set_coeff(PyVar('x0'), PyMPQScalarCoeff(1))
x2.set_cst(PyMPQScalarCoeff(2))
t2 = PyTexpr1(x2)
self.assertEqual(str(t2), '2 + 1 · x0')
def test_deepcopy(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x.set_coeff(PyVar('x0'), PyDoubleScalarCoeff(3))
x.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
x.set_cst(PyDoubleScalarCoeff(8))
c0 = PyTcons1.make(PyTexpr1(x), ConsTyp.AP_CONS_SUPEQ)
c1 = deepcopy(c0)
c2 = c0
self.assertNotEqual(id(c0), id(c1))
self.assertEqual(id(c0), id(c2))
def unsat(cls, environment: PyEnvironment):
x = PyLinexpr1(environment)
x.set_cst(PyDoubleScalarCoeff(-1.0))
lincons = cls(ConsTyp.AP_CONS_SUPEQ, x)
return lincons
def test_set_cst(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
x.set_cst(PyDoubleScalarCoeff(9))
self.assertEqual(str(x), '9.0')
def test_get_coeff(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
self.assertEqual(
PyLinexpr1(e).get_coeff(PyVar('x0')), PyDoubleScalarCoeff(0.0))
self.assertNotEqual(
PyLinexpr1(e).get_coeff(PyVar('x0')), PyDoubleScalarCoeff(-3))
def test_set_coeff(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
c.set_coeff(PyVar('z'), PyDoubleScalarCoeff(-9))
self.assertEqual(str(c), '-9.0·z + 0.0 >= 0')
def test_get_coeff(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
self.assertEqual(c.get_coeff(PyVar('x0')), PyDoubleScalarCoeff(0.0))
self.assertNotEqual(c.get_coeff(PyVar('x0')), PyDoubleScalarCoeff(-3))
def test_set_typ(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
c.set_typ(ConsTyp.AP_CONS_DISEQ)
self.assertEqual(str(c), '0.0 != 0')
def test_get_typ(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
x = PyLinexpr1(e)
c = PyLincons1(ConsTyp.AP_CONS_SUPEQ, x)
self.assertEqual(repr(c.get_typ()), '>=')
self.assertNotEqual(repr(c.get_typ()), '<')
def test_init(self):
e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')])
self.assertEqual(str(PyLinexpr1(e)), '0.0')
self.assertEqual(str(PyLinexpr1(e, 0)), '0.0·x0 + 0.0·y + 0.0·z + 0.0')