fixed compile error under win32

15 years ago · c46546203f
parent 7c77787c84
commit c46546203f
1 changed files with 1 additions and 1 deletions
--- a/modules/features2d/include/opencv2/features2d/features2d.hpp
+++ b/modules/features2d/include/opencv2/features2d/features2d.hpp
@ -1804,7 +1804,7 @@ struct CV_EXPORTS L2
            ResultType diff = a[i] - b[i];
            result += diff*diff;
        }
-        return sqrt(result);
+        return (ResultType)sqrt((double)result);
    }
 };