D02UZF Example Program Results 

     x_even     x_map      Sum
    -1.0000   -0.7540    1.3715
    -0.7500   -0.4634    1.1261
    -0.5000   -0.1728    1.0158
    -0.2500    0.1178    1.0067
     0.0000    0.4084    1.0731
     0.2500    0.6990    1.1961
     0.5000    0.9896    1.3613
     0.7500    1.2802    1.5582
     1.0000    1.5708    1.7787