def test_dual_argument_operation(self):
exponent = 2
expected = self.masked_array ** exponent
actual = Elementwise(self.masked_array, exponent, np.power, ma.power)
result = actual.masked_array()
assert_array_equal(result.mask, self.mask)
assert_array_equal(result, expected)
def test_dual_argument_operation(self):
exponent = 2
expected = self.masked_array**exponent
actual = Elementwise(self.masked_array, exponent, np.power, ma.power)
result = actual.masked_array()
assert_array_equal(result.mask, self.mask)
assert_array_equal(result, expected)
def test_partial_function(self):
clip_between = partial(np.clip, a_min=1, a_max=4)
self._test(clip_between)
array = np.arange(10000, dtype=np.float32)
actual = Elementwise(array, None, clip_between)
assert_array_equal(actual.ndarray(), clip_between(array))
self.assertEqual(actual.ndarray().max(), 4)
def test_partial_function(self):
clip_between = partial(np.clip, a_min=1, a_max=4)
self._test(clip_between)
array = np.arange(10000, dtype=np.float32)
actual = Elementwise(array, None, clip_between)
assert_array_equal(actual.ndarray(), clip_between(array))
self.assertEqual(actual.ndarray().max(), 4)
def test_no_masked_array_function(self):
result = Elementwise(self.masked_array, None, np.sign)
msg = 'No sign operation defined for masked arrays'
with self.assertRaisesRegexp(TypeError, msg):
result.masked_array()
def test_single_argument_operation(self):
expected = np.abs(self.masked_array)
actual = Elementwise(self.masked_array, None, np.abs, ma.abs)
result = actual.masked_array()
assert_array_equal(result.mask, self.mask)
assert_array_equal(result, expected)
def test_no_masked_array_function(self):
result = Elementwise(self.masked_array, None, np.sign)
msg = 'No sign operation defined for masked arrays'
with self.assertRaisesRegexp(TypeError, msg):
result.masked_array()
def test_single_argument_operation(self):
expected = np.abs(self.masked_array)
actual = Elementwise(self.masked_array, None, np.abs, ma.abs)
result = actual.masked_array()
assert_array_equal(result.mask, self.mask)
assert_array_equal(result, expected)