def test_multiply(self):
from numpypy import array, multiply, arange
a = array([-5.0, -0.0, 1.0])
b = array([ 3.0, -2.0,-3.0])
c = multiply(a, b)
for i in range(3):
assert c[i] == a[i] * b[i]
a = arange(15).reshape(5, 3)
assert(multiply.reduce(a) == array([0, 3640, 12320])).all()
def test_reduce_nd(self):
from numpypy import arange, array, multiply
a = arange(15).reshape(5, 3)
assert a.sum() == 105
assert a.max() == 14
assert array([]).sum() == 0.0
raises(ValueError, 'array([]).max()')
assert (a.sum(0) == [30, 35, 40]).all()
assert (a.sum(axis=0) == [30, 35, 40]).all()
assert (a.sum(1) == [3, 12, 21, 30, 39]).all()
assert (a.max(0) == [12, 13, 14]).all()
assert (a.max(1) == [2, 5, 8, 11, 14]).all()
assert ((a + a).max() == 28)
assert ((a + a).max(0) == [24, 26, 28]).all()
assert ((a + a).sum(1) == [6, 24, 42, 60, 78]).all()
assert (multiply.reduce(a) == array([0, 3640, 12320])).all()
a = array(range(105)).reshape(3, 5, 7)
assert (a[:, 1, :].sum(0) == [126, 129, 132, 135, 138, 141, 144]).all()
assert (a[:, 1, :].sum(1) == [70, 315, 560]).all()
raises (ValueError, 'a[:, 1, :].sum(2)')
assert ((a + a).T.sum(2).T == (a + a).sum(0)).all()
assert (a.reshape(1,-1).sum(0) == range(105)).all()
assert (a.reshape(1,-1).sum(1) == 5460)
def test_reduce_nd(self):
from numpypy import arange, array, multiply
a = arange(15).reshape(5, 3)
assert a.sum() == 105
assert a.max() == 14
assert array([]).sum() == 0.0
raises(ValueError, 'array([]).max()')
assert (a.sum(0) == [30, 35, 40]).all()
assert (a.sum(axis=0) == [30, 35, 40]).all()
assert (a.sum(1) == [3, 12, 21, 30, 39]).all()
assert (a.max(0) == [12, 13, 14]).all()
assert (a.max(1) == [2, 5, 8, 11, 14]).all()
assert ((a + a).max() == 28)
assert ((a + a).max(0) == [24, 26, 28]).all()
assert ((a + a).sum(1) == [6, 24, 42, 60, 78]).all()
assert (multiply.reduce(a) == array([0, 3640, 12320])).all()
a = array(range(105)).reshape(3, 5, 7)
assert (a[:, 1, :].sum(0) == [126, 129, 132, 135, 138, 141, 144]).all()
assert (a[:, 1, :].sum(1) == [70, 315, 560]).all()
raises(ValueError, 'a[:, 1, :].sum(2)')
assert ((a + a).T.sum(2).T == (a + a).sum(0)).all()
assert (a.reshape(1, -1).sum(0) == range(105)).all()
assert (a.reshape(1, -1).sum(1) == 5460)