# ticket: 477

import cython

@cython.locals(x=double)

cdef func(x):

    return x**2

@cython.locals(x=double)

cdef func_defval(x=0):

    return x**2

def test():

    """

    >>> isinstance(test(), float)

    True

    """

    return func(2)

def test_defval(x=None):

    """

    >>> test_defval()

    0.0

    >>> test_defval(1)

    1.0

    >>> test_defval(2.0)

    4.0

    """

    if x is None:

        return func_defval()

    else:

        return func_defval(x)