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opencv
Commit 0aac17d9 authored by Maksim Shabunin's avatar Maksim Shabunin
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calib3d: check input values in dls

parent f44a0960
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modules/calib3d/src/dls.cpp
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...@@ -653,6 +653,7 @@ bool dls::is_empty(const cv::Mat * M) ...@@ -653,6 +653,7 @@ bool dls::is_empty(const cv::Mat * M)
bool dls::positive_eigenvalues(const cv::Mat * eigenvalues) bool dls::positive_eigenvalues(const cv::Mat * eigenvalues)
{ {
CV_Assert(eigenvalues && !eigenvalues->empty());
cv::MatConstIterator_<double> it = eigenvalues->begin<double>(); cv::MatConstIterator_<double> it = eigenvalues->begin<double>();
return *(it) > 0 && *(it+1) > 0 && *(it+2) > 0; return *(it) > 0 && *(it+1) > 0 && *(it+2) > 0;
} }
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