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core: added inplace check in 'divSpectrums'

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Alexander Alekhin
2016-12-07 19:59:16 +03:00
parent ab429d2e73
commit 62c9ff25e5
1 changed files with 3 additions and 0 deletions
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modules/imgproc/src/phasecorr.cpp
+3
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@@ -167,6 +167,9 @@ static void divSpectrums( InputArray _srcA, InputArray _srcB, OutputArray _dst,
_dst.create( srcA.rows, srcA.cols, type );
Mat dst = _dst.getMat();
CV_Assert(dst.data != srcA.data); // non-inplace check
CV_Assert(dst.data != srcB.data); // non-inplace check
bool is_1d = (flags & DFT_ROWS) || (rows == 1 || (cols == 1 &&
srcA.isContinuous() && srcB.isContinuous() && dst.isContinuous()));