|
|
|
|
|
|
|
|
#include <iostream> |
|
|
|
|
|
#include <Eigen/Core> |
|
|
|
|
|
using namespace std; |
|
|
using namespace Eigen; |
|
|
|
|
|
#ifndef REPEAT |
|
|
#define REPEAT 10000 |
|
|
#endif |
|
|
|
|
|
#ifndef SCALAR |
|
|
#define SCALAR float |
|
|
#endif |
|
|
|
|
|
int main(int argc, char *argv[]) |
|
|
{ |
|
|
typedef Matrix<SCALAR, Eigen::Dynamic, Eigen::Dynamic> Mat; |
|
|
Mat m(100, 100); |
|
|
m.setRandom(); |
|
|
|
|
|
for(int a = 0; a < REPEAT; a++) |
|
|
{ |
|
|
int r, c, nr, nc; |
|
|
r = Eigen::internal::random<int>(0,10); |
|
|
c = Eigen::internal::random<int>(0,10); |
|
|
nr = Eigen::internal::random<int>(50,80); |
|
|
nc = Eigen::internal::random<int>(50,80); |
|
|
m.block(r,c,nr,nc) += Mat::Ones(nr,nc); |
|
|
m.block(r,c,nr,nc) *= SCALAR(10); |
|
|
m.block(r,c,nr,nc) -= Mat::constant(nr,nc,10); |
|
|
m.block(r,c,nr,nc) /= SCALAR(10); |
|
|
} |
|
|
cout << m[0] << endl; |
|
|
return 0; |
|
|
} |
|
|
|
