Fix that corrects the OpenCV's random access iterator distance: d(x,y) = -d(y,x)

9 years ago · 108ddc199a
parent a7d28f3b1f
commit 108ddc199a
1 changed files with 1 additions and 1 deletions
--- a/modules/core/include/opencv2/core/mat.inl.hpp
+++ b/modules/core/include/opencv2/core/mat.inl.hpp
@ -2474,7 +2474,7 @@ ptrdiff_t operator - (const MatConstIterator& b, const MatConstIterator& a)
    if( a.m != b.m )
        return ((size_t)(-1) >> 1);
    if( a.sliceEnd == b.sliceEnd )
-        return (b.ptr - a.ptr)/b.elemSize;
+        return (b.ptr - a.ptr)/static_cast<ptrdiff_t>(b.elemSize);

    return b.lpos() - a.lpos();
 }