anchor.diff:  		&                    zlw(:), zrw(:), zls(:), zrs(:)
   	real, allocatable :: zev(:), zleof(:,:)
   	integer               :: znkeepmax, i, la_info
  -	logical               :: zbLargeMatrix,zbcorr
  +	logical               :: zbigmat,zbcorr
   
   
   	! Sizes
  
positive.code: 	!	Singular value decomposition between two datasets having
  	!	the same length in time.
  	!
  	! Necessary arguments:
  	!	- ll:    Left space-time array
  	!	- rr:    Right space-time array
  	!	- nkeep: Maximum number of modes to keep in outputs
  	!
  	! Optional arguments:
  	!	- leof:  Left EOFs
  	!	- reof:  Right EOFs
  	!	- lpc:   Left PCs
  
negative.code: 	! Description:
  	!	Same as for the reconstruction of PCA components, but for MSSA.
  	!
  	! :Necessary arguments:
  	!	- steof:   SpaceXwindow-mode array of EOFs
  	!	- stpc:    Time-mode array of PCs
  	!	- nwindow: Window size
  	!	- varrec:   Space-time array of the reconstructed field
  	!
  	! :Optional arguments:
  	!	- istart: Index of the first component to use
  	!	- iend:   Index of the last component to use
  
  