Python operator.imul方法代码示例

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_inplace_multiplication(self, input_tuple, expected):
        self.ureg.autoconvert_offset_to_baseunit = False
        (q1v, q1u), (q2v, q2u) = input_tuple
        # update input tuple with new values to have correct values on failure
        input_tuple = ((np.array([q1v]*2, dtype=np.float), q1u),
                       (np.array([q2v]*2, dtype=np.float), q2u))
        Q_ = self.Q_
        qin1, qin2 = input_tuple
        q1, q2 = Q_(*qin1), Q_(*qin2)
        q1_cp = copy.copy(q1)
        if expected == 'error':
            self.assertRaises(OffsetUnitCalculusError, op.imul, q1_cp, q2)
        else:
            expected = np.array([expected[0]]*2, dtype=np.float), expected[1]
            self.assertEqual(op.imul(q1_cp, q2).units, Q_(*expected).units)
            q1_cp = copy.copy(q1)
            self.assertQuantityAlmostEqual(op.imul(q1_cp, q2), Q_(*expected),
                                           atol=0.01) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_inplace_multiplication_with_autoconvert(self, input_tuple, expected):
        self.ureg.autoconvert_offset_to_baseunit = True
        (q1v, q1u), (q2v, q2u) = input_tuple
        # update input tuple with new values to have correct values on failure
        input_tuple = ((np.array([q1v]*2, dtype=np.float), q1u),
                       (np.array([q2v]*2, dtype=np.float), q2u))
        Q_ = self.Q_
        qin1, qin2 = input_tuple
        q1, q2 = Q_(*qin1), Q_(*qin2)
        q1_cp = copy.copy(q1)
        if expected == 'error':
            self.assertRaises(OffsetUnitCalculusError, op.imul, q1_cp, q2)
        else:
            expected = np.array([expected[0]]*2, dtype=np.float), expected[1]
            self.assertEqual(op.imul(q1_cp, q2).units, Q_(*expected).units)
            q1_cp = copy.copy(q1)
            self.assertQuantityAlmostEqual(op.imul(q1_cp, q2), Q_(*expected),
                                           atol=0.01) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_operatorerrors(self):
        f2 = self.f2
        f2p = self.f2p
        f256 = self.f256
        f19 = self.f19
        self.assertRaises(TypeError, operator.add, f2(1), f2p(2))
        self.assertRaises(TypeError, operator.iadd, f2(1), f2p(2))
        self.assertRaises(TypeError, operator.sub, f2(1), f256(2))
        self.assertRaises(TypeError, operator.isub, f2(1), f256(2))
        self.assertRaises(TypeError, operator.mul, f2(1), f19(2))
        self.assertRaises(TypeError, operator.imul, f2(1), f19(2))
        self.assertRaises(TypeError, operator.truediv, f256(1), f19(2))
        self.assertRaises(TypeError, operator.itruediv, f256(1), f19(2))
        self.assertRaises(TypeError, operator.truediv, 3.14, f19(2))
        self.assertRaises(TypeError, operator.lshift, f2(1), f2(1))
        self.assertRaises(TypeError, operator.ilshift, f2(1), f2(1))
        self.assertRaises(TypeError, operator.lshift, 1, f2(1))
        self.assertRaises(TypeError, operator.rshift, f19(1), f19(1))
        self.assertRaises(TypeError, operator.irshift, f19(1), f19(1))
        self.assertRaises(TypeError, operator.irshift, f256(1), f256(1))
        self.assertRaises(TypeError, operator.pow, f2(1), f19(2))
        self.assertRaises(TypeError, operator.pow, f19(1), 3.14) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def testIMul(self):
        self.augmentedAssignCheck(operator.imul, imax=maxint)  # XXX doesn't work for long i??? 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_failures():
    c1 = cycler(c='rgb')
    c2 = cycler(c=c1)
    pytest.raises(ValueError, add, c1, c2)
    pytest.raises(ValueError, iadd, c1, c2)
    pytest.raises(ValueError, mul, c1, c2)
    pytest.raises(ValueError, imul, c1, c2)
    pytest.raises(TypeError, iadd, c2, 'aardvark')
    pytest.raises(TypeError, imul, c2, 'aardvark')

    c3 = cycler(ec=c1)

    pytest.raises(ValueError, cycler, c=c2+c3) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_inplace_dense(self):
        a = np.ones((3, 4))
        b = self.spmatrix(a)

        x = a.copy()
        y = a.copy()
        x += a
        y += b
        assert_array_equal(x, y)

        x = a.copy()
        y = a.copy()
        x -= a
        y -= b
        assert_array_equal(x, y)

        # This is matrix product, from __rmul__
        assert_raises(ValueError, operator.imul, x, b)
        x = a.copy()
        y = a.copy()
        x = x.dot(a.T)
        y *= b.T
        assert_array_equal(x, y)

        # Matrix (non-elementwise) floor division is not defined
        assert_raises(TypeError, operator.ifloordiv, x, b) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_buffer(self):
        a = array.array(self.typecode, self.example)
        m = memoryview(a)
        expected = m.tobytes()
        self.assertEqual(a.tobytes(), expected)
        self.assertEqual(a.tobytes()[0], expected[0])
        # Resizing is forbidden when there are buffer exports.
        # For issue 4509, we also check after each error that
        # the array was not modified.
        self.assertRaises(BufferError, a.append, a[0])
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, a.extend, a[0:1])
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, a.remove, a[0])
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, a.pop, 0)
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, a.fromlist, a.tolist())
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, a.frombytes, a.tobytes())
        self.assertEqual(m.tobytes(), expected)
        if self.typecode == 'u':
            self.assertRaises(BufferError, a.fromunicode, a.tounicode())
            self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, operator.imul, a, 2)
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, operator.imul, a, 0)
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, operator.setitem, a, slice(0, 0), a)
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, operator.delitem, a, 0)
        self.assertEqual(m.tobytes(), expected)
        self.assertRaises(BufferError, operator.delitem, a, slice(0, 1))
        self.assertEqual(m.tobytes(), expected) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_imul_scalar(self):
        self.check_array_scalar_op(operator.imul) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_imul_array(self):
        self.check_array_array_op(operator.imul) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_broadcasted_imul(self):
        self.check_array_broadcasted_op(operator.imul) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def _test_quantity_imul_idiv(self, unit, func):
        #func(op.imul, 10.0, '4.2*meter', '42*meter')
        func(op.imul, '4.2*meter', 10.0, '42*meter', unit)
        func(op.imul, '4.2*meter', '10*inch', '42*meter*inch', unit)
        #func(op.truediv, 42, '4.2*meter', '10/meter')
        func(op.itruediv, '4.2*meter', unit * 10.0, '0.42*meter', unit)
        func(op.itruediv, '4.2*meter', '10*inch', '0.42*meter/inch', unit) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_issue52(self):
        u1 = UnitRegistry()
        u2 = UnitRegistry()
        q1 = u1.meter
        q2 = u2.meter
        import operator as op
        for fun in (op.add, op.iadd,
                    op.sub, op.isub,
                    op.mul, op.imul,
                    op.floordiv, op.ifloordiv,
                    op.truediv, op.itruediv):
            self.assertRaises(ValueError, fun, q1, q2) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def test_unitcontainer_arithmetic(self):
        x = UnitsContainer(meter=1)
        y = UnitsContainer(second=1)
        z = UnitsContainer(meter=1, second=-2)

        self._test_not_inplace(op.mul, x, y, UnitsContainer(meter=1, second=1))
        self._test_not_inplace(op.truediv, x, y, UnitsContainer(meter=1, second=-1))
        self._test_not_inplace(op.pow, z, 2, UnitsContainer(meter=2, second=-4))
        self._test_not_inplace(op.pow, z, -2, UnitsContainer(meter=-2, second=4))

        self._test_inplace(op.imul, x, y, UnitsContainer(meter=1, second=1))
        self._test_inplace(op.itruediv, x, y, UnitsContainer(meter=1, second=-1))
        self._test_inplace(op.ipow, z, 2, UnitsContainer(meter=2, second=-4))
        self._test_inplace(op.ipow, z, -2, UnitsContainer(meter=-2, second=4)) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def __imul__(self, other):
        if not isinstance(self._magnitude, ndarray):
            return self._mul_div(other, operator.mul)
        else:
            return self._imul_div(other, operator.imul) 

# 需要导入模块: import operator [as 别名]
# 或者: from operator import imul [as 别名]
def _test_errors(self, poly):
        self.assertRaises(ValueError, poly.from_terms, 'x**2')
        self.assertRaises(TypeError, poly, 0.1)
        self.assertRaises(TypeError, poly, gfpx.GFpX(257)(0))
        self.assertRaises(ValueError, poly, [poly.p])
        self.assertRaises(TypeError, operator.add, poly(0), 0.1)
        self.assertRaises(TypeError, operator.iadd, poly(0), 0.1)
        self.assertRaises(TypeError, operator.sub, poly(0), 0.1)
        self.assertRaises(TypeError, operator.sub, 0.1, poly(0))
        self.assertRaises(TypeError, operator.isub, poly(0), 0.1)
        self.assertRaises(TypeError, operator.mul, poly(0), 0.1)
        self.assertRaises(TypeError, operator.imul, poly(0), 0.1)
        self.assertRaises(TypeError, operator.lshift, poly(0), 0.1)
        self.assertRaises(TypeError, operator.lshift, 0.1, poly(0))
        self.assertRaises(TypeError, operator.ilshift, poly(0), 0.1)
        self.assertRaises(TypeError, operator.rshift, poly(0), 0.1)
        self.assertRaises(TypeError, operator.rshift, 0.1, poly(0))
        self.assertRaises(TypeError, operator.irshift, poly(0), 0.1)
        self.assertRaises(TypeError, operator.floordiv, poly(0), 0.1)
        self.assertRaises(TypeError, operator.floordiv, 0.1, poly(0))
        self.assertRaises(TypeError, operator.ifloordiv, poly(0), 0.1)
        self.assertRaises(TypeError, operator.mod, poly(0), 0.1)
        self.assertRaises(TypeError, operator.mod, 0.1, poly(0))
        self.assertRaises(TypeError, operator.imod, poly(0), 0.1)
        self.assertRaises(TypeError, divmod, poly(0), 0.1)
        self.assertRaises(TypeError, divmod, 0.1, poly(0))
        self.assertRaises(TypeError, operator.lt, poly(0), 0.1)
        self.assertRaises(TypeError, operator.lt, 0.1, poly(0))  # NB: tests >
        self.assertRaises(TypeError, operator.le, poly(0), 0.1)
        self.assertRaises(TypeError, operator.le, 0.1, poly(0))  # NB: tests <
        self.assertRaises(ZeroDivisionError, poly.invert, poly(283), poly(0))
        self.assertRaises(ZeroDivisionError, poly.invert, poly(283), poly(283))
        self.assertRaises(ZeroDivisionError, poly.mod, poly(283), poly(0))
        self.assertRaises(ZeroDivisionError, poly.divmod, poly(283), poly(0))
        self.assertRaises(ValueError, operator.pow, poly(3), -16)