NAG Library Manual, Mark 28.4
Interfaces:  FL   CL   CPP   AD 

NAG AD Library Introduction
Example description

E04AB_A1W_F C++ Header Example Program Results

The minimum lies in the interval 4.49341 to 4.49341.
Its estimated position is 4.49341,
where the function value is   -2.1723e-01.
10 function evaluations were required.
dx/druser        -4.4934092796166603