ADAS Subroutine spij3

       SUBROUTINE SPIJ3(N,H,W)                                          
C
       IMPLICIT REAL*8(A-H,O-Z)                                        
C
C-----------------------------------------------------------------------
C
C  ****************** FORTRAN77 SUBROUTINE: SPIJ3 **********************
C
C PURPOSE UNKNOWN
C
C NOTES: THIS ROUTINE IS NOT YET PROPERLY ANNOTATED
C
C UNIX-IDL PORT:
C
C VERSION: 1.1                          DATE: 18-1-96
C MODIFIED: TIM HAMMOND (TESSELLA SUPPORT SERVICES PLC)
C               - PUT UNDER SCCS CONTROL
C
C-----------------------------------------------------------------------
C
      INTEGER             N
      REAL*8              H(10),       W(10,10)