CALL SEQUENCE...
       spdlsq  SPIN SPOUT OUTPUT
 
 
      DESCRIPTION...
       spdlsq  - COMPUTES SPECTRAL LAPLACIAN
 
 
      AUTHORS  - S.Lambert AND J.D.Henderson, JAN 1980.
      LAST REVISION: $Header: /home/cvs/RMNLIB/utils/rdiag/lspgm/spdlsq.ptn,v 4.7 2014/09/25 20:20:53 dugas Exp $
 
 
      PURPOSE - COMPUTES THE SPHERICAL HARMONIC COEFFICIENTS OF THE 
                LAPLACIAN OF A GLOBAL SPECTRAL FILE.
 
 
      INPUT FILE...
       SPIN  = GLOBAL SPECTRAL COEFF.
 
      OUTPUT FILE...
       SPOUT = SPECTRAL LAPLACIAN OF SPIN.
 
 
      EXIT CONDITIONS...
        0 NO PROBLEMS
        1 NO SPECTRAL DATA FOUND ON SPIN