Add missing (but unused) return statements

ndt_offline/include/ndt_offline/VelodyneBagReader.h

@@ -256,7 +256,7 @@ public:
   */
   bool readMultipleMeasurements(unsigned int Nmeas, pcl::PointCloud<PointT> &cloud, tf::Transform &sensor_pose){
 
-    std::cerr<<"NOT IMPLEMENTED"<<std::endl;
+	  std::cerr<<"NOT IMPLEMENTED"<<std::endl; return false;
 //    tf::Transform T;
 //    ros::Time t0;
 //    velodyne_rawdata::VPointCloud pnts,conv_points;

ndt_offline/include/ndt_offline/convertvelodynebags.h

@@ -202,7 +202,7 @@ public:
    * @param sensor_pose [out] The pose of the sensor origin. (Utilizes the tf_pose_id and sensor_link from the constructor).
    **/
   bool ConvertToPclBag(tf::Transform &sensor_pose){
-    std::cerr<<"NOT IMPLEMENTED"<<std::endl;
+	  std::cerr<<"NOT IMPLEMENTED"<<std::endl; return false;
 //    if(I == view->end()){
 //      fprintf(stderr,"End of measurement file Reached!!\n");
 //      return false;
@@ -339,7 +339,7 @@ pt.setValue(pnts[i].x - T.getOrigin()[0], pnts[i].y - T.getOrigin()[1], pnts[i].
   }
 
   bool ConvertToCompleteImages(tf::Transform &sensor_pose) {
-std::cerr<<"NOT IMPLEMENTED"<<std::endl;
+	  std::cerr<<"NOT IMPLEMENTED"<<std::endl; return false;
 //    if (image_clean_) {
 //      getNextScanMsg();
 //      depth_img_ = cv::Scalar::all(0);
@@ -424,7 +424,7 @@ std::cerr<<"NOT IMPLEMENTED"<<std::endl;
 
   // Take one set of packages and create one image (will not be complete)
   bool ConvertToImages(tf::Transform &sensor_pose){
-std::cerr<<"NOT IMPLEMENTED"<<std::endl;
+	  std::cerr<<"NOT IMPLEMENTED"<<std::endl; return false;
 //    double resolution_factor = width_ / view_width_;
 //    depth_img_ = cv::Scalar::all(0);
 //    intensity_img_ = cv::Scalar::all(0);

ndt_offline/src/imu_prediction.cpp

@@ -83,6 +83,7 @@ Eigen::Affine3d imu_prediction::PredictOrientation(double tp1){
 
   Eigen::Affine3d p_diff=Eigen::Affine3d::Identity();
   p_diff.linear()=Tsensor_.linear().inverse()*GetOrientationDiff(t,tp1)*Tsensor_.linear();
+  return p_diff;
 }
 Eigen::Affine3d imu_prediction::PredictPoseAndVelocity(double tp1){
 

ndt_offline/src/tf_writer.cpp

@@ -156,6 +156,7 @@ bool LocateRosBagFilePaths(const std::string &folder_name, std::vector<std::stri
     std::cerr<<"Could not parse dir name\n";
     return false;
   }
+  return true;
 }
 int main(int argc, char **argv){
 

ndt_offline/src/tf_writer_from_txt.cpp

@@ -136,6 +136,7 @@ bool LocateRosBagFilePaths(const std::string &folder_name, std::vector <std::str
         std::cerr << "Could not parse dir name\n";
         return false;
     }
+    return true;
 }
 
 void eraseAllSubStr(std::string & mainStr, const std::string & toErase)