Computational routine
eng
intrpl
subroutine intrpl(flag,nevprt,t,xd,x,nx,z,nz,tvec,ntvec,
& rpar,nrpar,ipar,nipar,u1,nu1,y1,ny1)
c Copyright INRIA
c Scicos block simulator
c ipar(1) : the number of input
c
double precision t,xd(*),x(*),z(*),tvec(*),rpar(*)
double precision y1,u1
integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*),i
integer nipar
c
c
do 100 i=2,nrpar/2
if (u1.le.rpar(i)) goto 200
100 continue
i=nrpar/2
200 continue
y1=rpar(nrpar/2+i-1) + ((rpar(nrpar/2+i)-rpar(nrpar/2+i-1))/
$ (rpar(i)-rpar(i-1)))*(u1-rpar(i-1))
return
end