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CoinPresolveMatrix.hpp File Reference

Declarations for CoinPresolveMatrix and CoinPostsolveMatrix and their common base class CoinPrePostsolveMatrix. More...

#include "CoinPragma.hpp"
#include "CoinPackedMatrix.hpp"
#include "CoinMessage.hpp"
#include "CoinTime.hpp"
#include <cmath>
#include <cassert>
#include <cfloat>
#include <cstdlib>
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Classes

class  CoinPresolveAction
 Abstract base class of all presolve routines. More...
class  CoinPrePostsolveMatrix
 Collects all the information about the problem that is needed in both presolve and postsolve. More...
class  presolvehlink
 Links to aid in packed matrix modification. More...
class  CoinPresolveMatrix
 Augments CoinPrePostsolveMatrix with information about the problem that is only needed during presolve. More...
class  CoinPostsolveMatrix
 Augments CoinPrePostsolveMatrix with information about the problem that is only needed during postsolve. More...

Defines

#define deleteAction(array, type)   delete [] array
#define PRESOLVE_DETAIL_PRINT(s)   {}
#define PRESOLVEASSERT(x)   {}
#define PRESOLVE_STMT(s)   {}
#define COIN_DBL_MAX   DBL_MAX
#define PRESOLVE_INF   COIN_DBL_MAX
#define NO_LINK   -66666666
#define PRESOLVEFINITE(n)   (-PRESOLVE_INF < (n) && (n) < PRESOLVE_INF)

Functions

void DIE (const char *)
int ALIGN (int n, int m)
int ALIGN_DOUBLE (int n)
void presolve_delete_many_from_major (int majndx, char *marked, const CoinBigIndex *majstrts, int *majlens, int *minndxs, double *els)
double * presolve_dupmajor (const double *elems, const int *indices, int length, CoinBigIndex offset, int tgt=-1)
 Duplicate a major-dimension vector; optionally omit the entry with minor index tgt.
void coin_init_random_vec (double *work, int n)
 Initialize an array with random numbers.

Variables

const double ZTOLDP = 1e-12
 Zero tolerance.
const double ZTOLDP2 = 1e-10

Detailed Description

Declarations for CoinPresolveMatrix and CoinPostsolveMatrix and their common base class CoinPrePostsolveMatrix.

Also declarations for CoinPresolveAction and a number of non-member utility functions.

Definition in file CoinPresolveMatrix.hpp.


Define Documentation

#define deleteAction (   array,
  type 
)    delete [] array

Definition at line 33 of file CoinPresolveMatrix.hpp.

#define PRESOLVE_DETAIL_PRINT (   s)    {}

Definition at line 47 of file CoinPresolveMatrix.hpp.

#define PRESOLVEASSERT (   x)    {}

Definition at line 66 of file CoinPresolveMatrix.hpp.

#define PRESOLVE_STMT (   s)    {}

Definition at line 67 of file CoinPresolveMatrix.hpp.

#define COIN_DBL_MAX   DBL_MAX

Definition at line 78 of file CoinPresolveMatrix.hpp.

#define PRESOLVE_INF   COIN_DBL_MAX

Definition at line 80 of file CoinPresolveMatrix.hpp.

#define NO_LINK   -66666666

Definition at line 709 of file CoinPresolveMatrix.hpp.

#define PRESOLVEFINITE (   n)    (-PRESOLVE_INF < (n) && (n) < PRESOLVE_INF)

Definition at line 1433 of file CoinPresolveMatrix.hpp.


Function Documentation

void DIE ( const char *  ) [inline]

Definition at line 69 of file CoinPresolveMatrix.hpp.

int ALIGN ( int  n,
int  m 
) [inline]

Definition at line 73 of file CoinPresolveMatrix.hpp.

int ALIGN_DOUBLE ( int  n) [inline]

Definition at line 74 of file CoinPresolveMatrix.hpp.


Variable Documentation

const double ZTOLDP = 1e-12

Zero tolerance.

OSL had a fixed zero tolerance; we still use that here.

Definition at line 40 of file CoinPresolveMatrix.hpp.

const double ZTOLDP2 = 1e-10

Definition at line 42 of file CoinPresolveMatrix.hpp.

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