Method dot

ml/src/svm.cpp:426–446

}

double
Kernel::dot(const svm_node* px, const svm_node* py)
{
  double sum = 0;

  while (px->index != -1 && py->index != -1) {
    if (px->index == py->index) {
      sum += px->value * py->value;
      ++px;
      ++py;
    }
    else {
      if (px->index > py->index)
        ++py;
      else
        ++px;
    }
  }

  return sum;
}

double
Kernel::k_function(const svm_node* x, const svm_node* y, const svm_parameter& param)