EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Demo / classes / Vec.py

class Vec:\r
    """ A simple vector class\r
\r
    Instances of the Vec class  can be constructed from numbers\r
\r
    >>> a = Vec(1, 2, 3)\r
    >>> b = Vec(3, 2, 1)\r
\r
    added\r
    >>> a + b\r
    Vec(4, 4, 4)\r
\r
    subtracted\r
    >>> a - b\r
    Vec(-2, 0, 2)\r
\r
    and multiplied by a scalar on the left\r
    >>> 3.0 * a\r
    Vec(3.0, 6.0, 9.0)\r
\r
    or on the right\r
    >>> a * 3.0\r
    Vec(3.0, 6.0, 9.0)\r
    """\r
    def __init__(self, *v):\r
        self.v = list(v)\r
\r
    @classmethod\r
    def fromlist(cls, v):\r
        if not isinstance(v, list):\r
            raise TypeError\r
        inst = cls()\r
        inst.v = v\r
        return inst\r
\r
    def __repr__(self):\r
        args = ', '.join(repr(x) for x in self.v)\r
        return 'Vec({0})'.format(args)\r
\r
    def __len__(self):\r
        return len(self.v)\r
\r
    def __getitem__(self, i):\r
        return self.v[i]\r
\r
    def __add__(self, other):\r
        # Element-wise addition\r
        v = [x + y for x, y in zip(self.v, other.v)]\r
        return Vec.fromlist(v)\r
\r
    def __sub__(self, other):\r
        # Element-wise subtraction\r
        v = [x - y for x, y in zip(self.v, other.v)]\r
        return Vec.fromlist(v)\r
\r
    def __mul__(self, scalar):\r
        # Multiply by scalar\r
        v = [x * scalar for x in self.v]\r
        return Vec.fromlist(v)\r
\r
    __rmul__ = __mul__\r
\r
\r
def test():\r
    import doctest\r
    doctest.testmod()\r
\r
test()\r