import math


def getHeading(lat_diff, long_diff):
    """Return directional heading (0=North) given lat and long diffs

    Args:
        lat_diff: (float) difference in latitude
        long_diff: (float) difference in longitude

    Returns:
        The heading value
    """
    angleEast = int(math.atan2(lat_diff, long_diff)*180/math.pi)
    heading = 90 - angleEast
    if heading < 0:
        heading += 360
    return heading