def test_deepcopy(self): e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')]) man: PyManager = PyBoxDManager() b0 = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyDoubleInterval(-2.5, 2.5)]) b1 = deepcopy(b0) b2 = b0 self.assertNotEqual(id(b0), id(b1)) self.assertEqual(id(b0), id(b2))
def test_top(self): e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')]) man: PyManager = PyBoxDManager() self.assertFalse(PyBox.bottom(man, e).is_top()) b1 = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyDoubleInterval(-2.5, 2.5)]) self.assertFalse(b1.is_bottom()) b2 = PyBox(man, e, variables=[PyVar('y')], intervals=[PyMPQInterval(-5, 5, 2, 2)]) self.assertFalse(b2.is_bottom()) b3 = PyBox(man, e, variables=[PyVar('z')], intervals=[PyMPFRInterval(-2.5, 2.5)]) self.assertFalse(b3.is_bottom()) self.assertTrue(PyBox.top(man, e).is_top())
def test_is_top(self): self.assertFalse(PyDoubleInterval().is_top()) self.assertFalse(PyDoubleInterval(0, 0).is_top()) self.assertFalse(PyDoubleInterval(0.0, 0.0).is_top()) self.assertFalse(PyDoubleInterval(c_double(0), c_double(0)).is_top()) self.assertFalse( PyDoubleInterval(c_double(0.0), c_double(0.0)).is_top()) self.assertFalse( PyDoubleInterval(PyDoubleScalar(0), PyDoubleScalar(0)).is_top()) self.assertFalse( PyDoubleInterval(PyDoubleScalar(0.0), PyDoubleScalar(0.0)).is_top()) self.assertFalse(PyDoubleInterval(-0.5, 0.5).is_top()) self.assertFalse( PyDoubleInterval(c_double(-0.5), c_double(0.5)).is_top()) self.assertFalse( PyDoubleInterval(PyDoubleScalar(-0.5), PyDoubleScalar(0.5)).is_top()) self.assertTrue(PyDoubleInterval.top().is_top()) self.assertFalse(PyDoubleInterval.bottom().is_top())
def test_cmp(self): self.assertTrue(PyDoubleInterval.bottom() < PyDoubleInterval()) self.assertFalse(PyDoubleInterval() < PyDoubleInterval.bottom()) self.assertTrue(PyDoubleInterval() < PyDoubleInterval(-0.5, 0.5)) self.assertFalse(PyDoubleInterval(-0.5, 0.5) < PyDoubleInterval()) self.assertTrue(PyDoubleInterval(-0.5, 0.5) < PyDoubleInterval.top()) self.assertFalse(PyDoubleInterval.top() < PyDoubleInterval(-0.5, 0.5)) self.assertFalse(PyDoubleInterval.bottom() == PyDoubleInterval()) self.assertTrue(PyDoubleInterval() == PyDoubleInterval(0, 0)) self.assertFalse(PyDoubleInterval() == PyDoubleInterval(-0.5, 0.5)) self.assertTrue( PyDoubleInterval(-0.5, 0.5) == PyDoubleInterval( c_double(-0.5), c_double(0.5))) self.assertFalse(PyDoubleInterval(-0.5, 0.5) == PyDoubleInterval.top()) self.assertFalse(PyDoubleInterval.bottom() > PyDoubleInterval()) self.assertTrue(PyDoubleInterval() > PyDoubleInterval.bottom()) self.assertFalse(PyDoubleInterval() > PyDoubleInterval(-0.5, 0.5)) self.assertTrue(PyDoubleInterval(-0.5, 0.5) > PyDoubleInterval()) self.assertFalse(PyDoubleInterval(-0.5, 0.5) > PyDoubleInterval.top()) self.assertTrue(PyDoubleInterval.top() > PyDoubleInterval(-0.5, 0.5)) self.assertTrue( PyDoubleInterval(-3, -1) <= PyDoubleInterval( PyDoubleScalar.init_infty(-1), PyDoubleScalar(-1)))
def test_deepcopy(self): i0 = PyDoubleInterval(0, 0) i1 = deepcopy(i0) i2 = i0 self.assertNotEqual(id(i0), id(i1)) self.assertEqual(id(i0), id(i2))
def test_init(self): self.assertEqual(str(PyDoubleInterval()), '[0.0,0.0]') self.assertEqual(str(PyDoubleInterval(0, 0)), '[0.0,0.0]') self.assertEqual(str(PyDoubleInterval(0.0, 0.0)), '[0.0,0.0]') self.assertEqual(str(PyDoubleInterval(c_double(0), c_double(0))), '[0.0,0.0]') self.assertEqual(str(PyDoubleInterval(c_double(0.0), c_double(0.0))), '[0.0,0.0]') self.assertEqual( str(PyDoubleInterval(PyDoubleScalar(0), PyDoubleScalar(0))), '[0.0,0.0]') self.assertEqual( str(PyDoubleInterval(PyDoubleScalar(0.0), PyDoubleScalar(0.0))), '[0.0,0.0]') self.assertEqual(str(PyDoubleInterval(-0.5, 0.5)), '[-0.5,0.5]') self.assertEqual(str(PyDoubleInterval(c_double(-0.5), c_double(0.5))), '[-0.5,0.5]') self.assertEqual( str(PyDoubleInterval(PyDoubleScalar(-0.5), PyDoubleScalar(0.5))), '[-0.5,0.5]') self.assertEqual(str(PyDoubleInterval.top()), '[-inf,inf]') self.assertEqual(str(PyDoubleInterval.bottom()), '[1.0,-1.0]')
def test_neg(self): self.assertEqual(-PyDoubleInterval.bottom(), PyDoubleInterval.bottom()) self.assertEqual(-PyDoubleInterval(-1, 2), PyDoubleInterval(-2, 1)) self.assertEqual(-PyDoubleInterval(), PyDoubleInterval(0, 0)) self.assertEqual(-PyDoubleInterval(-0.5, 0.5), PyDoubleInterval(c_double(-0.5), c_double(0.5))) self.assertEqual(-PyDoubleInterval(1, 2), PyDoubleInterval(-2, -1)) self.assertEqual(-PyDoubleInterval.top(), PyDoubleInterval.top())
def __init__(self, value_or_inf=0.0, sup=0.0): if isinstance(value_or_inf, (Coeff, PyDoubleInterval)): super().__init__(value_or_inf) else: super().__init__(PyDoubleInterval(value_or_inf, sup))
def test_meet(self): e = PyEnvironment([PyVar('x0'), PyVar('y')], [PyVar('z')]) man: PyManager = PyBoxDManager() b0 = PyBox.bottom(man, e) b1d = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyDoubleInterval(-2.5, 0.0)]) b1q = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPQInterval(-5, 0, 2, 1)]) b1f = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPFRInterval(-2.5, 0.0)]) b2d = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyDoubleInterval(0.0, 2.5)]) b2q = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPQInterval(0, 5, 1, 2)]) b2f = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPFRInterval(0.0, 2.5)]) b3d = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyDoubleInterval(0.0, 0.0)]) b3q = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPQInterval(0, 0, 1, 1)]) b3f = PyBox(man, e, variables=[PyVar('x0')], intervals=[PyMPFRInterval(0.0, 0.0)]) b4 = PyBox.top(man, e) self.assertTrue(b0.meet(b1d) == b0) self.assertTrue(b0.meet(b1q) == b0) self.assertTrue(b0.meet(b1f) == b0) self.assertTrue(b0.meet(b2d) == b0) self.assertTrue(b0.meet(b2q) == b0) self.assertTrue(b0.meet(b2f) == b0) self.assertTrue(b0.meet(b3d) == b0) self.assertTrue(b0.meet(b3q) == b0) self.assertTrue(b0.meet(b3f) == b0) self.assertTrue(b1d.meet(b2d) == b3d) self.assertTrue(b1d.meet(b3d) == b3d) self.assertTrue(b2d.meet(b3d) == b3d) self.assertTrue(b1q.meet(b2q) == b3q) self.assertTrue(b1q.meet(b3q) == b3q) self.assertTrue(b2q.meet(b3q) == b3q) self.assertTrue(b1f.meet(b2f) == b3f) self.assertTrue(b1f.meet(b3f) == b3f) self.assertTrue(b2f.meet(b3f) == b3f) self.assertTrue(b1d.meet(b4) == b1d) self.assertTrue(b1q.meet(b4) == b1q) self.assertTrue(b1f.meet(b4) == b1f) self.assertTrue(b2d.meet(b4) == b2d) self.assertTrue(b2q.meet(b4) == b2q) self.assertTrue(b2f.meet(b4) == b2f) self.assertTrue(b3d.meet(b4) == b3d) self.assertTrue(b3q.meet(b4) == b3q) self.assertTrue(b3f.meet(b4) == b3f)