Re: [Bug-gnulib] lcm

[Paul Eggert]

I suspect that in practice, L.C.M. algorithms tend to be specialized
for their application, due to the problem of overflow.  For example,
diffutils has this:

   /* Least common multiple of two buffer sizes A and B.  However, if
      either A or B is zero, or if the multiple is greater than LCM_MAX,
      return a reasonable buffer size.  */

   size_t
   buffer_lcm (size_t a, size_t b, size_t lcm_max)
   {...}

but perhaps this is not for everybody.