anchor.diff:      logical nest_fb 
       !parameter(nest_fb=.false.)
   
  +    !live plot with pgplot?
  +    logical nest_liveplot
  +
   
   end module params
  
positive.code:     !initialize MPI routines?, relevant only if compiling with MPI
  	!set to False if you want your main program to handle MPI initialization
      logical nest_initMPI
      parameter(nest_initMPI=.true.)
        
      !points with loglike < nest_logZero will be ignored by MultiNest
      double precision nest_logZero
  
negative.code:     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
  