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

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This commit is contained in:
Piotr Semenov 2016-03-10 11:58:32 +03:00
parent a7d28f3b1f
commit 108ddc199a
1 changed files with 1 additions and 1 deletions
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modules/core/include/opencv2/core/mat.inl.hpp
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@ -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();
}