brent_test.cc
Go to the documentation of this file.00001 #include <TooN/optimization/brent.h> 00002 #include <iostream> 00003 #include <cmath> 00004 #include <cstdlib> 00005 00006 using namespace TooN; 00007 using namespace std; 00008 00009 00010 00011 double f(double x) 00012 { 00013 return abs(x-1.2) + .2 * sin(5*x); 00014 } 00015 00016 00017 int main() 00018 { 00019 cout << brent_line_search(-3., .5, 3., f(.5), f, 100) << endl; 00020 00021 cout << "Value should be: " << " 1.2000 -0.0559 " << endl; 00022 } 00023