NAG Library Manual, Mark 28.5
Interfaces:  FL   CL   CPP   AD 

NAG CL Interface Introduction
Example description

nag_opt_one_var_func (e04abc) Example Program Results

(User-supplied callback funct, first invocation.)
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.