anchor.diff:      ! defines the sampling efficiency. 0.8 and 0.3 are recommended for 
       ! parameter estimation & evidence evaluation respectively.
       double precision nest_efr
  -    parameter(nest_efr=0.3d0)
  +    parameter(nest_efr=0.8d0)
         
       !root for saving posterior files
       character*100 nest_root
  
positive.code:     ! is as close to the target efficiency (set by efr) as possible. 
      ! This does mean however, that the evidence value may not be accurate.
  	logical nest_ceff
   	parameter(nest_ceff=.false.)
  	
      !max no. of live points
      integer nest_nlive
  
negative.code:     type(ExpSquaredKernel), target :: k5
      type(ExpSineSquaredKernel), target :: k6
      type(SumKernels), target :: k7
      type(ProductKernels), target :: k8
      type(GP) gp1
      class(Kernel), pointer :: kernel_to_pass
  
  