anchor.diff:  							passivePanelsStage4(:,:) => null(), &
   							newPassivePanelsX(:,:) => null(), &
   							&
  -							activeVelocityInput(:,:) => null(), &
   							activeVelocityStage1(:,:) => null(), &
   							activeVelocityStage2(:,:) => null(), &
   							activeVelocityStage3(:,:) => null(), &
   							activeVelocityStage4(:,:) => null(), &
  -							newActiveVelocity(:,:) => null(), &
   							&
   							activeRelVortInput(:) => null(), &
   							activeRelVortStage1(:) => null(), &
  
positive.code: ! Public member functions
  !----------------
  !
  
  
  subroutine SetVelocitySmoothingParameter(newSmooth)
  	real(kreal), intent(in) :: newSmooth
  
negative.code: 							activeHStage4(:) => null(), &
  							newActiveH(:) => null(), &
  							&
  							particlesHInput(:) => null(), &
  							particlesHStage1(:) => null(), &
  							particlesHStage2(:) => null(), &
  							particlesHStage3(:) => null(), &
  							particlesHStage4(:) => null(), &
  							newParticlesH(:) => null(), &
  							&
  							activeAreaInput(:) => null(), &
  							activeAreaStage1(:) => null(), &
  							activeAreaStage2(:) => null(), &
  