/usr/include/coin/CoinPresolveUseless.hpp is in coinor-libcoinutils-dev 2.6.4-3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /* $Id: CoinPresolveUseless.hpp 1215 2009-11-05 11:03:04Z forrest $ */
// Copyright (C) 2002, International Business Machines
// Corporation and others. All Rights Reserved.
#ifndef CoinPresolveUseless_H
#define CoinPresolveUseless_H
#define USELESS 20
class useless_constraint_action : public CoinPresolveAction {
struct action {
double rlo;
double rup;
const int *rowcols;
const double *rowels;
int row;
int ninrow;
};
const int nactions_;
const action *const actions_;
useless_constraint_action(int nactions,
const action *actions,
const CoinPresolveAction *next);
public:
const char *name() const;
// These rows are asserted to be useless,
// that is, given a solution the row activity
// must be in range.
static const CoinPresolveAction *presolve(CoinPresolveMatrix * prob,
const int *useless_rows,
int nuseless_rows,
const CoinPresolveAction *next);
void postsolve(CoinPostsolveMatrix *prob) const;
~useless_constraint_action();
};
#endif
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