/usr/include/qsopt_ex/lpdata_mpf.h is in libqsopt-ex-dev 2.5.10.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/****************************************************************************/
/* */
/* This file is part of QSopt_ex. */
/* */
/* (c) Copyright 2006 by David Applegate, William Cook, Sanjeeb Dash, */
/* and Daniel Espinoza */
/* */
/* Sanjeeb Dash ownership of copyright in QSopt_ex is derived from his */
/* copyright in QSopt. */
/* */
/* This code may be used under the terms of the GNU General Public License */
/* (Version 2.1 or later) as published by the Free Software Foundation. */
/* */
/* Alternatively, use is granted for research purposes only. */
/* */
/* It is your choice of which of these two licenses you are operating */
/* under. */
/* */
/* We make no guarantees about the correctness or usefulness of this code. */
/* */
/****************************************************************************/
/* RCSINFO $Id: lpdata_mpf.h,v 1.4 2003/11/05 17:00:56 meven Exp $ */
#ifndef mpf_ILL_LPDATA_H
#define mpf_ILL_LPDATA_H
#include "eg_lpnum.h"
#include "reporter.h"
#include "symtab.h"
#include "qstruct_mpf.h"
#include "readline_mpf.h"
#include "format_mpf.h"
#include "dstruct_mpf.h"
extern mpf_t mpf_ILL_MAXDOUBLE; /* 1e150 */
extern mpf_t mpf_ILL_MINDOUBLE; /* -1e150 */
#define mpf_ILL_MAXINT (2147483647) /* this is equal to 2^31-1 */
#define mpf_ILL_MIN (1) /* Must be same as QS_MIN */
#define mpf_ILL_MAX (-1) /* Must be same as QS_MAX */
/* Setting Alg in Presolve */
#define mpf_ILL_PRE_SCALE 1
#define mpf_ILL_PRE_FIXED 2
#define mpf_ILL_PRE_SINGLE_ROW 4
#define mpf_ILL_PRE_FORCING 8
#define mpf_ILL_PRE_SINGLE_COL 16
#define mpf_ILL_PRE_DUPLICATE_ROW 32
#define mpf_ILL_PRE_DUPLICATE_COL 64
#define mpf_ILL_PRE_EMPTY_COL 128
#define mpf_ILL_PRE_ALL (mpf_ILL_PRE_SCALE | mpf_ILL_PRE_FIXED | mpf_ILL_PRE_SINGLE_ROW \
mpf_ILL_PRE_FORCING | mpf_ILL_PRE_SINGLE_COL | mpf_ILL_PRE_DUPLICATE_ROW \
mpf_ILL_PRE_DUPLICATE_COL | mpf_ILL_PRE_EMPTY_COL)
#define mpf_ILL_PRE_SIMPLE (mpf_ILL_PRE_FIXED | mpf_ILL_PRE_EMPTY_COL)
typedef struct mpf_ILLlpdata
{ /* Complete LP data filled in by mpsread. */
int nrows;
int ncols;
int nstruct; /* Not including logicals. */
int nzcount;
int rowsize; /* Length of row arrays. */
int colsize; /* Length of col arrays. */
int structsize; /* Length of intmarker, structmap, */
/* colnames */
int objsense;
char *sense; /* Original sense, not after logicals. */
mpf_t *obj;
mpf_t *rhs;
mpf_t *rangeval;
mpf_t *lower;
mpf_t *upper;
mpf_ILLmatrix A; /* The coef matrix. */
struct mpf_ILLlp_rows *rA; /* Coef matrix in row form. */
char **rownames;
ILLsymboltab rowtab; /* contains rownames in no particular order */
char *objname; /* if colname is not NULL it is entered into
* the rowtab, see reader fcts in lp.c, mps.c*/
char **colnames; /* columns of struct variables */
ILLsymboltab coltab; /* contains colnames in no particular order */
char *probname;
char *intmarker;
int *structmap; /* Indices of structural variables */
int *rowmap; /* Indices of logical and range variables */
struct mpf_ILLlp_basis *basis;
struct mpf_ILLlp_predata *presolve;
struct mpf_ILLlp_sinfo *sinfo;
/**************************************************************************/
/* these fields are currently only set by mps.c reader fcts */
/**************************************************************************/
mpf_ILLmatrix sos; /* columns are the sets, rows are the
* problem's structural variables
* coefficients are the weights */
char *sos_type; /* type of each set */
int *is_sos_mem; /* for each structural variable contains
* -1 == not a set member
* i == member of sos set i
* where 0 <= i < sos.matcols */
char *refrowname; /* name of reference row */
int refind; /* index of reference row
* -1 if refrow was a free row
* and weights are found only in the
* sos matrix
* index >=0 if refrow is also a lp-row */
/**************************************************************************
* mpf_QSset_reporter initializes reporter
**************************************************************************/
qsstring_reporter reporter; /* used from within ILL fcts
* to report feedback */
}
mpf_ILLlpdata;
typedef struct mpf_ILLlp_basis
{
int nstruct;
int nrows;
int rownorms_size;
int colnorms_size;
char *cstat;
char *rstat;
mpf_t *rownorms;
mpf_t *colnorms;
}
mpf_ILLlp_basis;
typedef struct mpf_ILLlp_cache
{
int nstruct;
int nrows;
int status;
mpf_t val;
mpf_t *x;
mpf_t *pi;
mpf_t *rc;
mpf_t *slack;
}
mpf_ILLlp_cache;
typedef struct mpf_ILLlp_sinfo
{ /* LP info returned by presolve */
int ncols;
int nrows;
int nzcount;
int rowsize;
int colsize;
int objsense;
mpf_t *obj;
mpf_t *rhs;
mpf_t *lower;
mpf_t *upper;
mpf_ILLmatrix A;
char **colnames; /* Just for debugging - not updated */
}
mpf_ILLlp_sinfo;
typedef struct mpf_ILLlp_preline
{
mpf_t rhs;
mpf_t obj;
mpf_t lower;
mpf_t upper;
int count;
int *ind;
int row_or_col; /* 0 is row, 1 is col */
mpf_t *val;
}
mpf_ILLlp_preline;
typedef struct mpf_ILLlp_preop
{
int ptype;
int rowindex;
int colindex;
mpf_ILLlp_preline line;
}
mpf_ILLlp_preop;
typedef struct mpf_ILLlp_predata
{ /* Data needed in un-presolve. */
int opcount;
int opsize;
mpf_ILLlp_preop *oplist;
int r_nrows;
int r_ncols;
int *colmap;
int *rowmap;
mpf_t *rowscale;
mpf_t *colscale;
mpf_t *colfixval;
mpf_t *rowfixval;
}
mpf_ILLlp_predata;
typedef struct mpf_ILLlp_rows
{
int *rowbeg;
int *rowcnt;
int *rowind;
mpf_t *rowval;
}
mpf_ILLlp_rows;
/****************************************************************************/
/* */
/* lpdata.c */
/* */
/****************************************************************************/
struct mpf_qsdata *mpf_ILLread (
mpf_qsline_reader * file,
const char *fname,
int isMps);
void mpf_ILLstart (
void); /**< initialize mpf_ILL_MAXDOUBLE and other
constants, this funtion should be callef AFTER
EGlpNumStart() */
void mpf_ILLend (
void); /**< free any internal data asociated with variable
precision numbers */
void mpf_ILLchange_precision (
void); /**< This function re-compute the internal
variables precision to the (previously
set) EGLPNUM_PRECISION value (done with
EGlpNumSetPrecision) */
void mpf_ILLlpdata_init (
mpf_ILLlpdata * lp);
void mpf_ILLlpdata_free (
mpf_ILLlpdata * lp);
void mpf_ILLlp_basis_init (
mpf_ILLlp_basis * B);
void mpf_ILLlp_basis_free (
mpf_ILLlp_basis * B);
void mpf_ILLlp_cache_init (
mpf_ILLlp_cache * C);
void mpf_ILLlp_cache_free (
mpf_ILLlp_cache * C);
int mpf_ILLlp_basis_alloc (
mpf_ILLlp_basis * B,
int ncols,
int nrows);
int mpf_ILLlp_cache_alloc (
mpf_ILLlp_cache * C,
int ncols,
int nrows);
int mpf_ILLlp_rows_init (
mpf_ILLlp_rows * lp_rows,
mpf_ILLlpdata * lp,
int include_logicals);
void mpf_ILLlp_rows_clear (
mpf_ILLlp_rows * lp_rows);
int mpf_ILLprint_report (
mpf_ILLlpdata * lp,
const char *format,
...);
/* print to lp->reporter */
/****************************************************************************/
/* */
/* presolve.c */
/* */
/****************************************************************************/
void mpf_ILLlp_sinfo_init (
mpf_ILLlp_sinfo * sinfo),
mpf_ILLlp_sinfo_free (
mpf_ILLlp_sinfo * sinfo),
mpf_ILLlp_predata_init (
mpf_ILLlp_predata * pre),
mpf_ILLlp_predata_free (
mpf_ILLlp_predata * pre);
int mpf_ILLlp_add_logicals (
mpf_ILLlpdata * lp),
mpf_ILLlp_scale (
mpf_ILLlpdata * lp),
mpf_ILLlp_presolve (
mpf_ILLlpdata * lp,
int pre_types);
/* ========================================================================= */
/* if non-zero, then internal data has been initialized, and there is some
* memory allocated, if zero, no internal memory has been allocated
* (or it has been freed) */
extern int mpf___QSEX_SETUP;
#endif /* __ILL_LPDATA_H */
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