delay_routcos

Computational routine
eng

##
delay

### File content

          subroutine delay(flag,nevprt,t,xd,x,nx,z,nz,tvec,ntvec,
         &     rpar,nrpar,ipar,nipar,u,nu,y,ny)
    c     Copyright INRIA

    c     Scicos block simulator
    c     Ouputs nx*dt delayed input
    c
          double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
          integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
          integer nipar,nu,ny

    c
          if(flag.eq.1.or.flag.eq.4.or.flag.eq.6) then
             y(1)=z(1)
          elseif(flag.eq.2) then
    c     .  shift buffer
             do 10 i=1,nz-1
                z(i)=z(i+1)
     10      continue
    c     .  add new point to the buffer
             z(nz)=u(1)
          endif
          end