def test_is_not_complex(self):
x = self.x.real
self.assert_(not iscomplex(x))
def test_is_not_complex_dataframe(self):
x = DataFrame(self.x.real)
self.assert_(not iscomplex(x))
def test_iscomplex(self):
x = self.x
self.assert_(iscomplex(x),
'x is not complex and has type {0}'.format(x.dtype))
def test_iscomplex_dataframe(self):
x = DataFrame(self.x)
self.assert_(iscomplex(x),
'x is not complex and has dtypes {0}'.format(x.dtypes))
