Computational routine
eng
invblk
subroutine invblk(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 Outputs the inverse of the input
c
double precision t,xd(*),x(*),z(*),tvec(*),rpar(*),u(*),y(*)
integer flag,nevprt,nx,nz,ntvec,nrpar,ipar(*)
integer nipar,nu,ny
double precision ww
c
if(flag.eq.6) then
do 10 i=1,nu
ww=u(i)
if(ww.ne.0.0d0) then
y(i)=1.0d0/ww
endif
10 continue
endif
c
if(flag.eq.1) then
do 15 i=1,nu
ww=u(i)
if(ww.ne.0.0d0) then
y(i)=1.0d0/ww
else
flag=-2
return
endif
15 continue
endif
end