def test_operations(datashape):
a = make_test_array(datashape)
b = make_test_array(datashape)
print('a:\n', a)
print('b:\n', b)
print('a + b:\n', a + b)
print('a - b:\n', a - b)
print('a * b:\n', a * b)
print('a / b:\n', a / b)
print('blaze.max(a):\n', blaze.max(a))
print('blaze.min(a):\n', blaze.min(a))
print('blaze.product(a):\n', blaze.product(a))
print('blaze.sum(a):\n', blaze.sum(a))
def test_min_zerosize(self):
# Empty min operations should raise, because it has no
# reduction identity
self.assertRaises(ValueError, blaze.eval, blaze.min([]))
self.assertRaises(ValueError, blaze.eval, blaze.min([], keepdims=True))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []]))
self.assertRaises(ValueError, blaze.eval,
blaze.min([[], []], keepdims=True))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []], axis=-1))
self.assertRaises(ValueError, blaze.eval,
blaze.min([[], []], axis=-1, keepdims=True))
# However, if we're only reducing on a non-empty dimension, it's ok
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[], []], axis=0)).ddesc), [])
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[], []], axis=0, keepdims=True)).ddesc),
[[]])
def test_min_zerosize(self):
# Empty min operations should raise, because it has no
# reduction identity
self.assertRaises(ValueError, blaze.eval, blaze.min([]))
self.assertRaises(ValueError, blaze.eval, blaze.min([], keepdims=True))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []]))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []],
keepdims=True))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []], axis=-1))
self.assertRaises(ValueError, blaze.eval, blaze.min([[], []],
axis=-1,
keepdims=True))
# However, if we're only reducing on a non-empty dimension, it's ok
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[], []],
axis=0)).ddesc),
[])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[], []],
axis=0,
keepdims=True)).ddesc),
[[]])
def test_min(self):
# Min element of scalar case is the element itself
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min(10)).ddesc), 10)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min(-5.0)).ddesc), -5.0)
# One-dimensional size one
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([10])).ddesc), 10)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([-5.0])).ddesc), -5.0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([-5.0],
axis=0)).ddesc), -5.0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([10],
keepdims=True)).ddesc),
[10])
# One dimensional
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([1, 2])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([2, 1])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([0, 1, 0])).ddesc), 0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([0, 1, 0])).ddesc), 0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([1, 0, 2])).ddesc), 0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([2, 1, 0])).ddesc), 0)
# Two dimensional, test with minimum at all possible positions
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3],
[4, 5, 6]])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[2, 1, 3],
[4, 5, 6]])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[3, 2, 1],
[4, 5, 6]])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5],
[4, 1, 6]])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5],
[4, 6, 1]])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5],
[1, 6, 4]])).ddesc), 1)
# Two dimensional, with axis= argument both positive and negative
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 5, 3],
[4, 2, 6]],
axis=0)).ddesc),
[1, 2, 3])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 5, 3],
[4, 2, 6]],
axis=-2)).ddesc),
[1, 2, 3])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3],
[4, 5, 6]],
axis=1)).ddesc),
[1, 4])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3],
[4, 5, 6]],
axis=-1)).ddesc),
[1, 4])
# Two dimensional, with keepdims=True
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3],
[4, 5, 6]],
keepdims=True)).ddesc),
[[1]])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3],
[5, 4, 6]],
axis=0,
keepdims=True)).ddesc),
[[1, 2, 3]])
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([[1, 5, 3],
[4, 2, 6]],
axis=1,
keepdims=True)).ddesc),
[[1], [2]])
def test_min(self):
# Min element of scalar case is the element itself
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min(10)).ddesc), 10)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min(-5.0)).ddesc), -5.0)
# One-dimensional size one
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([10])).ddesc), 10)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([-5.0])).ddesc),
-5.0)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([-5.0], axis=0)).ddesc), -5.0)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([10], keepdims=True)).ddesc),
[10])
# One dimensional
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([1, 2])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([2, 1])).ddesc), 1)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([0, 1, 0])).ddesc),
0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([0, 1, 0])).ddesc),
0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([1, 0, 2])).ddesc),
0)
self.assertEqual(ddesc_as_py(blaze.eval(blaze.min([2, 1, 0])).ddesc),
0)
# Two dimensional, test with minimum at all possible positions
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[1, 2, 3], [4, 5, 6]])).ddesc),
1)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[2, 1, 3], [4, 5, 6]])).ddesc),
1)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[3, 2, 1], [4, 5, 6]])).ddesc),
1)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5], [4, 1, 6]])).ddesc),
1)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5], [4, 6, 1]])).ddesc),
1)
self.assertEqual(
ddesc_as_py(blaze.eval(blaze.min([[3, 2, 5], [1, 6, 4]])).ddesc),
1)
# Two dimensional, with axis= argument both positive and negative
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[1, 5, 3], [4, 2, 6]], axis=0)).ddesc),
[1, 2, 3])
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[1, 5, 3], [4, 2, 6]], axis=-2)).ddesc),
[1, 2, 3])
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[1, 2, 3], [4, 5, 6]], axis=1)).ddesc),
[1, 4])
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[1, 2, 3], [4, 5, 6]], axis=-1)).ddesc),
[1, 4])
# Two dimensional, with keepdims=True
self.assertEqual(
ddesc_as_py(
blaze.eval(blaze.min([[1, 2, 3], [4, 5, 6]],
keepdims=True)).ddesc), [[1]])
self.assertEqual(
ddesc_as_py(
blaze.eval(
blaze.min([[1, 2, 3], [5, 4, 6]], axis=0,
keepdims=True)).ddesc), [[1, 2, 3]])
self.assertEqual(
ddesc_as_py(
blaze.eval(
blaze.min([[1, 5, 3], [4, 2, 6]], axis=1,
keepdims=True)).ddesc), [[1], [2]])