Class IdentityMatrix

src/__init__.py:8872–8893

Identity matrix [1, 0, 0, 1, 0, 0]

class IdentityMatrix(Matrix):
    """Identity matrix [1, 0, 0, 1, 0, 0]"""

    def __hash__(self):
        return hash((1,0,0,1,0,0))

    def __init__(self):
        Matrix.__init__(self, 1.0, 1.0)

    def __repr__(self):
        return "IdentityMatrix(1.0, 0.0, 0.0, 1.0, 0.0, 0.0)"

    def __setattr__(self, name, value):
        if name in "ad":
            self.__dict__[name] = 1.0
        elif name in "bcef":
            self.__dict__[name] = 0.0
        else:
            self.__dict__[name] = value

    def checkargs(*args):
        raise NotImplementedError("Identity is readonly")

Identity = IdentityMatrix()