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piscal/dataassim/math/numrec/f77_sources/splin2.for
T
2016-02-03 18:52:05 +00:00

19 lines
537 B
Fortran

SUBROUTINE splin2(x1a,x2a,ya,y2a,m,n,x1,x2,y)
INTEGER m,n,NN
REAL x1,x2,y,x1a(m),x2a(n),y2a(m,n),ya(m,n)
PARAMETER (NN=100)
CU USES spline,splint
INTEGER j,k
REAL y2tmp(NN),ytmp(NN),yytmp(NN)
do 12 j=1,m
do 11 k=1,n
ytmp(k)=ya(j,k)
y2tmp(k)=y2a(j,k)
11 continue
call splint(x2a,ytmp,y2tmp,n,x2,yytmp(j))
12 continue
call spline(x1a,yytmp,m,1.e30,1.e30,y2tmp)
call splint(x1a,yytmp,y2tmp,m,x1,y)
return
END