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C/MEMBR ADD NAME=EWSET,SSI=0
subroutine ewset (n, itol, rtol, atol, ycur, ewt)
clll. optimize
c-----------------------------------------------------------------------
c%purpose
c this subroutine sets the error weight vector ewt according to
c ewt(i) = rtol(i)*abs(ycur(i)) + atol(i), i = 1,...,n,
c with the subscript on rtol and/or atol possibly replaced by 1 above,
c depending on the value of itol.
c!
c-----------------------------------------------------------------------
integer n, itol
integer i
double precision rtol, atol, ycur, ewt
double precision atoli, rtoli
dimension rtol(*), atol(*), ycur(n), ewt(n)
rtoli = rtol(1)
atoli = atol(1)
do 10 i = 1,n
if (itol .ge. 3) rtoli = rtol(i)
if (itol .eq. 2 .or. itol .eq. 4) atoli = atol(i)
ewt(i) = rtoli*abs(ycur(i)) + atoli
10 continue
return
c----------------------- end of subroutine ewset -----------------------
end
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