6 #ifndef CoinPresolveDupcol_H 7 #define CoinPresolveDupcol_H 51 const action *
const actions_;
60 const char *
name()
const;
95 const action *
const actions_;
99 const action *actions,
102 nactions_(nactions), actions_(actions) {}
105 const char *
name()
const;
123 const action *
const actions_;
127 const action *actions,
130 nactions_(nactions), actions_(actions) {}
133 const char *
name()
const;
161 const action *
const actions_;
165 const action *actions,
168 nactions_(nactions), actions_(actions) {}
171 const char *
name()
const;
198 double cost_othercol;
205 const action *
const actions_;
209 const action *actions,
212 nactions_(nactions), actions_(actions) {}
215 const char *
name()
const;
Detect and remove entries whose sum is known.
Abstract base class of all presolve routines.
Declarations for CoinPresolveMatrix and CoinPostsolveMatrix and their common base class CoinPrePostso...
CoinPresolveAction(const CoinPresolveAction *next)
Construct a postsolve object and add it to the transformation list.
const CoinPresolveAction * next
The next presolve transformation.
Augments CoinPrePostsolveMatrix with information about the problem that is only needed during postsol...
Detect and remove duplicate columns.
void postsolve(CoinPostsolveMatrix *prob) const
Apply the postsolve transformation for this particular presolve action.
Detect and remove duplicate rows.
Augments CoinPrePostsolveMatrix with information about the problem that is only needed during presolv...
const char * name() const
A name for debug printing.
static const CoinPresolveAction * presolve(CoinPresolveMatrix *prob, const CoinPresolveAction *next)
Detect interesting 2 by 2 blocks.