calib3d: fix warning from gcc7

8 years ago · e0ff5106d3
parent ef7833a271
commit e0ff5106d3
1 changed files with 1 additions and 1 deletions
--- a/modules/calib3d/src/solvepnp.cpp
+++ b/modules/calib3d/src/solvepnp.cpp
@ -137,7 +137,7 @@ bool solvePnP( InputArray _opoints, InputArray _ipoints,
        CvMat c_cameraMatrix = cameraMatrix, c_distCoeffs = distCoeffs;
        CvMat c_rvec = rvec, c_tvec = tvec;
        cvFindExtrinsicCameraParams2(&c_objectPoints, &c_imagePoints, &c_cameraMatrix,
-                                     c_distCoeffs.rows*c_distCoeffs.cols ? &c_distCoeffs : 0,
+                                     (c_distCoeffs.rows && c_distCoeffs.cols) ? &c_distCoeffs : 0,
                                     &c_rvec, &c_tvec, useExtrinsicGuess );
        result = true;
    }