void operator()()
{
uint cnt=0;
uint n = train_.size();
for (uint i=0; i!=n; ++i) {
for (uint j=i; j!=n; ++j) {
if (cnt++%n_th_==th_no_) {
boost::timer tm;
matrix_(i,j)=kernel_(train_[i].second, train_[j].second);
if (i!=j) matrix_(j,i)=matrix_(i,j);
elapsed_ += tm.elapsed();
}
}
}
}
bool operator()(size_t a, size_t b)
{
for (size_t column = column_first_; column < column_beyond_; ++column)
{
typename MatrixType::value_type va = matrix_(a, column);
typename MatrixType::value_type vb = matrix_(b, column);
if (less_(va, vb))
return true;
else if (less_(vb, va))
return false;
}
return false;
}
void operator-=(const element_proxy<MM>& x) { matrix_(index(),x.index())-=x.value();}
value_type operator()(size_t r, size_t c) const {
return matrix_(c, r);
}
