Merge pull request #24987 from ivashmak:bugfix_infinite_loop

ivashmak · web-flow · commit f300deb569fb · 2024-02-12T10:16:19.000+03:00
bug fix infinite loop #24987 Fixes #24967 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake Bugfix to #24967
diff --git a/modules/calib3d/src/usac/utils.cpp b/modules/calib3d/src/usac/utils.cpp
@@ -169,6 +169,9 @@ class SolvePoly : public SolverPoly {
     int getRealRoots (const std::vector<double> &coeffs, std::vector<double> &real_roots) override {
         if (coeffs.empty())
             return 0;
+        for (auto c : coeffs)
+            if (cvIsNaN(c) || cvIsInf(c))
+                return 0;
         Poly input(coeffs);
         if (input.degree() < 1)
             return 0;
