1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
#include <itpp/itbase.h>
using std::cout;
using std::endl;
using namespace itpp;
double f(const double x)
{
return x*log(x);
}
int main()
{
cout << "=========================================" << endl;
cout << " Test of numerical integration routines" << endl;
cout << "=========================================" << endl;
double res = itpp::quad( f, 1.5, 3.5);
double res2 = itpp::quadl( f, 1.5, 3.5);
cout << "Integration of f(x)=x*log(x) over [1.5,3.5]" << endl;
cout << "quad = " << res << endl;
cout << "quadl = " << res2 << endl;
return 0;
}
|
