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!if $wims_read_parm!=slib_header
 !goto proc
!endif

slib_author=Bernadette Perrin-Riou
slib_example=234765\
0.006543\
45.987543,5,10
slib_require=pari

!exit


!exit

:proc
!distribute items $wims_read_parm into slib_r,slib_app,slib_tol
!default slib_app=3
!default slib_tol=1
slib_r_approx=!exec pari (f(r,n)= l=if(r != 0, floor(log(abs(r))/log(10)),1) ; s =round(10^(-l+n-1)*r) ; [l,s]) ; \
   f($slib_r,$slib_app)
slib_r_app=$[$(slib_r_approx[2])*10^(-$slib_app+1+$(slib_r_approx[1]))]
slib_out=!exec pari slib_err=$slib_tol*10^(-$slib_app+1+$(slib_r_approx[1])) ; 1.*[$slib_r_app-slib_err,$slib_r_app+slib_err]

slib_out=$slib_out,$slib_r_app