Avoid assert in lapac.cpp if findHomography fails in BestOf2NearestMatcher::match

2013-03-12 22:36:00 +04:00
parent 9f3ce0dd97
commit 55698548dd
2 changed files with 2 additions and 1 deletions
--- a/modules/core/src/lapack.cpp
+++ b/modules/core/src/lapack.cpp
@@ -878,6 +878,7 @@ double cv::determinant( InputArray _mat )
    size_t step = mat.step;
    const uchar* m = mat.data;

+    CV_Assert( !mat.empty() );
    CV_Assert( mat.rows == mat.cols && (type == CV_32F || type == CV_64F));

    #define Mf(y, x) ((float*)(m + y*step))[x]