4 #ifndef ClpPrimalcolumnPivot_H
5 #define ClpPrimalcolumnPivot_H
8 class CoinIndexedVector;
48 virtual int pivotColumn(CoinIndexedVector * updates,
49 CoinIndexedVector * spareRow1,
50 CoinIndexedVector * spareRow2,
51 CoinIndexedVector * spareColumn1,
52 CoinIndexedVector * spareColumn2) = 0;