SLATEC Routines --- WNLT1 ---

*DECK WNLT1
      SUBROUTINE WNLT1 (I, LEND, MEND, IR, MDW, RECALC, IMAX, HBAR, H,
     +   SCALE, W)
C***BEGIN PROLOGUE  WNLT1
C***SUBSIDIARY
C***PURPOSE  Subsidiary to WNLIT
C***LIBRARY   SLATEC
C***TYPE      SINGLE PRECISION (WNLT1-S, DWNLT1-D)
C***AUTHOR  Hanson, R. J., (SNLA)
C           Haskell, K. H., (SNLA)
C***DESCRIPTION
C
C     To update the column Sum Of Squares and find the pivot column.
C     The column Sum of Squares Vector will be updated at each step.
C     When numerically necessary, these values will be recomputed.
C
C***SEE ALSO  WNLIT
C***ROUTINES CALLED  ISAMAX
C***REVISION HISTORY  (YYMMDD)
C   790701  DATE WRITTEN
C   890620  Code extracted from WNLIT and made a subroutine.  (RWC))
C***END PROLOGUE  WNLT1