File: tanblk.f

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scilab 2.4-1
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      subroutine tanblk(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
      double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
      integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
      integer nipar,nu,ny

c
      double precision ww
      common /dbcos/ idb
c
      if(idb.eq.1) then
         write(6,'(''Tanblk     t='',e10.3,'' flag='',i1)') t,flag
      endif

c     
      do 15 i=1,nu
         ww=cos(u(i))
         if(ww.ne.0.0d0) then
            y(i)=sin(u(i))/ww
         else
            flag=-2
            return
         endif
 15   continue
      
      end