def rosen_suzuki(x0, x1, x2, x3):
    """ Evaluate polynomial from CONMIN manual. """
    return x0**2 - 5.*x0 + x1**2 - 5.*x1 + \
           2.*x2**2 - 21.*x2 + x3**2 + 7.*x3 + 50
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/drivers/test/test_distributioncasedriver.py/rosen_suzuki/original