def test_subtract_inplace(self):
"""Test inplace subtract method."""
mat1 = 0.5 * self.sopI
mat2 = 0.5 * self.depol_sop(1)
targ = SuperOp(mat1 - mat2)
chan1 = SuperOp(mat1)
chan2 = SuperOp(mat2)
chan1.subtract(chan2, inplace=True)
self.assertEqual(chan1, targ)
chan1 = SuperOp(mat1)
chan2 = SuperOp(mat2)
chan1 -= chan2
self.assertEqual(chan1, targ)
def test_subtract(self):
"""Test subtract method."""
mat1 = 0.5 * self.sopI
mat2 = 0.5 * self.depol_sop(1)
targ = SuperOp(mat1 - mat2)
chan1 = SuperOp(mat1)
chan2 = SuperOp(mat2)
self.assertEqual(chan1.subtract(chan2), targ)
self.assertEqual(chan1 - chan2, targ)
