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piscal/dataassim/math/numrec/f77_sources/predic.for
T
2016-02-03 18:52:05 +00:00

24 lines
559 B
Fortran

SUBROUTINE predic(data,ndata,d,m,future,nfut)
INTEGER ndata,nfut,m,MMAX
REAL d(m),data(ndata),future(nfut)
PARAMETER (MMAX=100)
INTEGER j,k
REAL discrp,sum,reg(MMAX)
do 11 j=1,m
reg(j)=data(ndata+1-j)
11 continue
do 14 j=1,nfut
discrp=0.
sum=discrp
do 12 k=1,m
sum=sum+d(k)*reg(k)
12 continue
do 13 k=m,2,-1
reg(k)=reg(k-1)
13 continue
reg(1)=sum
future(j)=sum
14 continue
return
END