Fix warnings from MSVC 9 64-bit

modules/features2d/src/fast.cpp

@@ -44,6 +44,10 @@ The references are:
 #include "precomp.hpp"
 #include "fast_score.hpp"
 
+#if defined _MSC_VER
+# pragma warning( disable : 4127)
+#endif
+
 namespace cv
 {
 

modules/imgproc/perf/perf_warp.cpp

@@ -120,10 +120,14 @@ PERF_TEST_P( TestWarpPerspectiveNear_t, WarpPerspectiveNear,
     resize(src, src, size);
 
     int shift = src.cols*0.04;
-    Mat srcVertices = (Mat_<Vec2f>(1, 4) << Vec2f(0, 0), Vec2f(size.width-1, 0),
-                                            Vec2f(size.width-1, size.height-1), Vec2f(0, size.height-1));
-    Mat dstVertices = (Mat_<Vec2f>(1, 4) << Vec2f(0, shift), Vec2f(size.width-shift/2, 0),
-                                            Vec2f(size.width-shift, size.height-shift), Vec2f(shift/2, size.height-1));
+    Mat srcVertices = (Mat_<Vec2f>(1, 4) << Vec2f(0, 0),
+                                            Vec2f(static_cast<float>(size.width-1), 0),
+                                            Vec2f(static_cast<float>(size.width-1), static_cast<float>(size.height-1)),
+                                            Vec2f(0, static_cast<float>(size.height-1)));
+    Mat dstVertices = (Mat_<Vec2f>(1, 4) << Vec2f(0, static_cast<float>(shift)),
+                                            Vec2f(static_cast<float>(size.width-shift/2), 0),
+                                            Vec2f(static_cast<float>(size.width-shift), static_cast<float>(size.height-shift)),
+                                            Vec2f(static_cast<float>(shift/2), static_cast<float>(size.height-1)));
     Mat warpMat = getPerspectiveTransform(srcVertices, dstVertices);
 
     Mat dst(size, type);

modules/stitching/src/seam_finders.cpp

@@ -628,7 +628,7 @@ bool DpSeamFinder::getSeamTips(int comp1, int comp2, Point &p1, Point &p2)
     {
         for (int j = i+1; j < nlabels; ++j)
         {
-            double size1 = points[i].size(), size2 = points[j].size();
+            double size1 = static_cast<double>(points[i].size()), size2 = static_cast<double>(points[j].size());
             double cx1 = cvRound(sum[i].x / size1), cy1 = cvRound(sum[i].y / size1);
             double cx2 = cvRound(sum[j].x / size2), cy2 = cvRound(sum[j].y / size1);
 
@@ -648,7 +648,7 @@ bool DpSeamFinder::getSeamTips(int comp1, int comp2, Point &p1, Point &p2)
 
     for (int i = 0; i < 2; ++i)
     {
-        double size = points[idx[i]].size();
+        double size = static_cast<double>(points[idx[i]].size());
         double cx = cvRound(sum[idx[i]].x / size);
         double cy = cvRound(sum[idx[i]].y / size);
 
@@ -1036,7 +1036,7 @@ void DpSeamFinder::updateLabelsUsingSeam(
 
     for (map<int, int>::iterator itr = connect2.begin(); itr != connect2.end(); ++itr)
     {
-        double len = contours_[comp1].size();
+        double len = static_cast<double>(contours_[comp1].size());
         isAdjComp[itr->first] = itr->second / len > 0.05 && connectOther.find(itr->first)->second / len < 0.1;
     }