ipopt_inequalities.py

    # check for inequalities
    for k in range(arg['lbx'].shape[0]):
        lbx = arg['lbx'].cat[k]
        ubx = arg['ubx'].cat[k]
        if lbx == ubx:
            pass
        elif lbx == -np.inf and ubx == np.inf:
            pass
        else:
            raise ValueError('x index %d is an inequality (%.3g, %.3g)' % (k, lbx, ubx))
    for k in range(arg['lbg'].shape[0]):
        lbg = arg['lbg'].cat[k]
        ubg = arg['ubg'].cat[k]
        if lbg == ubg:
            pass
        elif lbg == -np.inf and ubg == np.inf:
            pass
        else:
            raise ValueError('g index %d is an inequality (%.3g, %.3g)' % (k, lbg, ubg))
    res = solver(arg)