def test_sub_epb(self):
x = UTPS(numpy.array([1.,2.,3.]), P = 1)
y = UTPS(numpy.array([5.,7.,11.]), P = 1)
z = sub(x,y)
zbar = UTPS(numpy.random.rand(3), P = 1)
xbar = UTPS(numpy.zeros(3), P = 1)
ybar = UTPS(numpy.zeros(3), P = 1)
epb_sub(x,y,z, zbar, xbar, ybar)
assert_array_almost_equal(zbar.data, xbar.data)
assert_array_almost_equal(zbar.data, -ybar.data)
def test_sub_epb(self):
Q,P,D = 3,1,3
x = UTPS(numpy.random.rand(1+P*(D-1)), P = P)
y = UTPS(numpy.random.rand(1+P*(D-1)), P = P)
z = sub(x,y)
zbar = UTPS(numpy.random.rand( Q*(1+P*(D-1))), Q = Q, P = P)
xbar = UTPS(numpy.random.rand( Q*(1+P*(D-1))), Q = Q, P = P)
ybar = UTPS(numpy.random.rand( Q*(1+P*(D-1))), Q = Q, P = P)
xbar2 = xbar.copy()
ybar2 = ybar.copy()
zbar2 = ybar.copy()
epb_sub(x,y,z, zbar, xbar, ybar)
assert_array_almost_equal(xbar2.data + zbar.data, xbar.data)
assert_array_almost_equal(ybar2.data - zbar.data, ybar.data)
