def modf(x):
    """
    See https://docs.nvidia.com/cuda/libdevice-users-guide/__nv_modf.html

    :param x: Argument.
    :type x: float64
    :rtype: UniTuple(float64 x 2)
"""

    See https://docs.nvidia.com/cuda/libdevice-users-guide/__nv_modf.html

    :param x: Argument.
    :type x: float64
    :rtype: UniTuple(float64 x 2)

numba/cuda/libdevice.py