message: suppress warning message
diff: @@ -2758,7 +2758,7 @@ void cv::reprojectImageTo3D( InputArray _disparity,
  __3dImage.create(disparity.size(), CV_MAKETYPE(dtype, 3));
  Mat _3dImage = __3dImage.getMat();
  - const double bigZ = 10000.;
  + const float bigZ = 10000.f;
  Matx44d _Q;
  Q.convertTo(_Q, CV_64F);
  