Merge pull request #642 from taka-no-me:fix1

2013-03-14 11:42:05 +04:00
parent f622a2e79c 7e50d3e571
commit b076b69e68
8 changed files with 11 additions and 9 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]