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core(MatExpr): fix warning in case of e.s == (0, 0, 0, 0)

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This commit is contained in:
Alexander Alekhin
2020-05-01 07:29:10 +00:00
parent 6630eac813
commit 74e4cfd1da
1 changed files with 1 additions and 1 deletions
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modules/core/src/matrix_expressions.cpp
+1 -1
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@@ -1329,7 +1329,7 @@ void MatOp_AddEx::assign(const MatExpr& e, Mat& m, int _type) const
}
else if( e.s.isReal() && (dst.data != m.data || fabs(e.alpha) != 1))
{
if (e.a.channels() > 1)
if (e.a.channels() > 1 && e.s[0] != 0.0)
CV_LOG_ONCE_WARNING(NULL, "OpenCV/MatExpr: processing of multi-channel arrays might be changed in the future: "
"https://github.com/opencv/opencv/issues/16739");
e.a.convertTo(m, _type, e.alpha, e.s[0]);