anchor.diff:      integer, allocatable, dimension(:) :: observ
       real(kind=8), allocatable, dimension(:) :: ss, alpha, tau
       real(kind=8), allocatable, dimension(:) :: vel, dist, sigma
  +    real(kind=8), allocatable, dimension(:) :: times_oversampled, vel_oversampled
  +    real(kind=8), allocatable, dimension(:, :) :: last_vel_oversampled
       real(kind=8), allocatable, dimension(:,:) :: covmat, inv_covmat
   
       integer nest_context
  
positive.code: 	
      !max no. of live points
      integer nest_nlive
  	parameter(nest_nlive=300) !300
        
      !total number of parameters, 
      !should be sdim in most cases but if you need to store some 
  
negative.code:     logical nest_fb 
      !parameter(nest_fb=.false.)
  
      !live plot with pgplot?
      logical nest_liveplot
  
  
  end module params
  