From 2d1ef5eea8f57cc8520dbd489fa7dade5218c2bb Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Thu, 15 Mar 2012 15:38:54 +0000
Subject: [PATCH] fixed build on VS2010

---
 modules/features2d/src/orb.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/features2d/src/orb.cpp b/modules/features2d/src/orb.cpp
index 377801e1d6..ae4f234c1b 100644
--- a/modules/features2d/src/orb.cpp
+++ b/modules/features2d/src/orb.cpp
@@ -57,7 +57,7 @@ HarrisResponses(const Mat& img, vector<KeyPoint>& pts, int blockSize, float harr
     size_t ptidx, ptsize = pts.size();
     
     const uchar* ptr00 = img.ptr<uchar>();
-    size_t step = img.step/img.elemSize1();
+    int step = (int)(img.step/img.elemSize1());
     int r = blockSize/2;
     
     float scale = (1 << 2) * blockSize * 255.0f;
@@ -662,7 +662,7 @@ static void computeKeyPoints(const vector<Mat>& imagePyramid,
     int v, v0, vmax = cvFloor(halfPatchSize * sqrt(2.f) / 2 + 1);
     int vmin = cvCeil(halfPatchSize * sqrt(2.f) / 2);
     for (v = 0; v <= vmax; ++v)
-        umax[v] = cvRound(sqrt(halfPatchSize * halfPatchSize - v * v));
+        umax[v] = cvRound(sqrt((double)halfPatchSize * halfPatchSize - v * v));
     
     // Make sure we are symmetric
     for (v = halfPatchSize, v0 = 0; v >= vmin; --v)