'Compares self to other using abstract repr., ignoring sign.
Like compare_total, but with operand\'s sign ignored and assumed to be 0.'

def compare_total_mag(self, other, context=None):

    other = _convert_other(other, raiseit=True)
    s = self.copy_abs()
    o = other.copy_abs()
    return s.compare_total(o)
