core: added inplace check in 'divSpectrums'

8 years ago · 62c9ff25e5
parent ab429d2e73
commit 62c9ff25e5
1 changed files with 3 additions and 0 deletions
--- a/modules/imgproc/src/phasecorr.cpp
+++ b/modules/imgproc/src/phasecorr.cpp
@ -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()));