SLATEC Routines --- DDAWTS ---

*DECK DDAWTS
      SUBROUTINE DDAWTS (NEQ, IWT, RTOL, ATOL, Y, WT, RPAR, IPAR)
C***BEGIN PROLOGUE  DDAWTS
C***SUBSIDIARY
C***PURPOSE  Set error weight vector for DDASSL.
C***LIBRARY   SLATEC (DASSL)
C***TYPE      DOUBLE PRECISION (SDAWTS-S, DDAWTS-D)
C***AUTHOR  Petzold, Linda R., (LLNL)
C***DESCRIPTION
C-----------------------------------------------------------------------
C     THIS SUBROUTINE SETS THE ERROR WEIGHT VECTOR
C     WT ACCORDING TO WT(I)=RTOL(I)*ABS(Y(I))+ATOL(I),
C     I=1,-,N.
C     RTOL AND ATOL ARE SCALARS IF IWT = 0,
C     AND VECTORS IF IWT = 1.
C-----------------------------------------------------------------------
C***ROUTINES CALLED  (NONE)
C***REVISION HISTORY  (YYMMDD)
C   830315  DATE WRITTEN
C   901009  Finished conversion to SLATEC 4.0 format (F.N.Fritsch)
C   901019  Merged changes made by C. Ulrich with SLATEC 4.0 format.
C   901026  Added explicit declarations for all variables and minor
C           cosmetic changes to prologue.  (FNF)
C***END PROLOGUE  DDAWTS