compilation for windows

14 years ago · 68a94665e5
parent aa3dada2fe
commit 68a94665e5
1 changed files with 1 additions and 1 deletions
--- a/modules/features2d/src/orb.cpp
+++ b/modules/features2d/src/orb.cpp
@ -470,7 +470,7 @@ ORB::ORB(size_t n_features, const CommonParams & detector_params) :
 {
  // fill the extractors and descriptors for the corresponding scales
  float factor = 1.0 / params_.scale_factor_ / params_.scale_factor_;
-  int n_desired_features_per_scale = cvRound(n_features / ((std::pow(factor, params_.n_levels_) - 1) / (factor - 1)));
+  int n_desired_features_per_scale = cvRound(n_features / ((std::pow(factor, (int)params_.n_levels_) - 1) / (factor - 1)));
  n_features_per_level_.resize(detector_params.n_levels_);
  for (unsigned int level = 0; level < detector_params.n_levels_; level++)
  {