File:  [Research Unix] / researchv10dc / cmd / icon / book / 18 / mpy.icn
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Tue Apr 24 17:21:34 2018 UTC (8 years, 3 months ago) by root
Branches: belllabs, MAIN
CVS tags: researchv10, HEAD
researchv10 Dan Cross

record largint(coeff,nextl)

procedure mpy(g1,g2)
   local prod
   if /(g1 | g2) then return &null	# zero product
   prod := g1.coeff * g2.coeff
   return largint(prod % base,
      add(mpy(largint(g1.coeff),g2.nextl),mpy(g1.nextl,g2),
      largint(prod / base)))
end

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