Fixing a win compilation problem

15 years ago · 4187f11610
parent 1058bc7f1f
commit 4187f11610
1 changed files with 1 additions and 1 deletions
--- a/modules/features2d/src/sift.cpp
+++ b/modules/features2d/src/sift.cpp
@ -2088,7 +2088,7 @@ void SIFT::operator()(const Mat& img, const Mat& mask,
                    commParams.firstOctave, -1, commParams.nOctaveLayers+1);
    vlsift.detectKeypoints(detectorParams.threshold, detectorParams.edgeThreshold);
-    int d = std::abs(vlsift.keypointsBegin()-vlsift.keypointsEnd());
+    int d = std::abs(int(vlsift.keypointsBegin()-vlsift.keypointsEnd()));
    keypoints.reserve(d);
    for( VL::Sift::KeypointsConstIter iter = vlsift.keypointsBegin(); iter != vlsift.keypointsEnd(); ++iter )