[Clp] counting simplex pivots

[Miles Lubin]

Hello,

I am interested in counting the total number of simplex pivots that are
taken when solving a problem using cbc with clp. Instead of trying to dig
through the cbc code to do this at a high level, I thought I would count the
number of calls to the routine that performs the pivots. Is it correct that
this routine is CoinFactorization::replaceColumn? I've also looked at
CoinOslFactorization::replaceColumn and
CoinSimpFactorization::replaceColumn, but these don't appear to be called.
Is my approach reasonable?

Thanks,
Miles
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