code: public static void decomposeDiac( DMatrixRMaj w , CameraPinhole intrinsic ) {
  		decomposeDiac(w.data[0],w.data[1],w.data[2],w.data[4],w.data[5],w.data[8],intrinsic);
  	}
docs: Extracts the camera calibration matrix on the dual image of the absolute conic (DIAC). Elements
  which could cause problems if negative have the absolute value taken to avoid NaN.
  
  @param w (input) DIAC 3x3
  @param intrinsic (output) K extracted from w