dbl_read_lp.h

Go to the documentation of this file.

/****************************************************************************/
/*                                                                          */
/*  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. */
/*                                                                          */
/****************************************************************************/

/*  RCS_INFO = "$RCSfile: read_lp_state.h,v $ $Revision: 1.2 $ $Date: 2003/11/05 16:57:39 $"; */
#ifndef dbl_READ_LP_STATE_H
#define dbl_READ_LP_STATE_H

/****************************************************************************/
/*                                                                          */
/*               Routines to support Reading LP Files                       */
/*                                                                          */
/****************************************************************************/

/* 
 * -) anything after '\' is comment 
 * -) variables consist of a-z A-Z 0-9!"#$%(),;.?@_`'{}|~ 
 *    don't start with a digit or '.'
 */

#include "dbl_iqsutil.h"
#include "dbl_readline.h"

typedef struct dbl_ILLread_lp_state
{
  dbl_qsline_reader *file;
  const char *file_name;
  char *p;
  double bound_val;
  int dbl_interactive;
  int line_num;
  int column_index;
  char realline[ILL_namebufsize];
  char line[ILL_namebufsize];
  char field[ILL_namebufsize + 1];
  char fieldOnFirstCol;
  char eof;
  char sense_val;
}
dbl_ILLread_lp_state;

extern int dbl_ILLread_lp_state_init (
  dbl_ILLread_lp_state * state,
  dbl_qsline_reader * file,
  const char *dbl_fname,
  int interactve);
extern int dbl_ILLread_lp_state_next_line (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_next_var (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_keyword (
  dbl_ILLread_lp_state * state,
  const char **kwd);
extern int dbl_ILLread_lp_state_bad_keyword (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLtest_lp_state_keyword (
  dbl_ILLread_lp_state * state,
  const char *kwd[]);
extern int dbl_ILLread_lp_state_next_field (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_next_field_on_line (
  dbl_ILLread_lp_state * state);
extern void dbl_ILLread_lp_state_prev_field (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_sign (
  dbl_ILLread_lp_state * state,
  double * sign);
extern int dbl_ILLread_lp_state_possible_coef (
  dbl_ILLread_lp_state * state,
  double * coef,
  const double defValue);

                                        /* returns 1 iff found a number 
                                         * otherwise 0 */
extern int dbl_ILLread_lp_state_possible_bound_value (
  dbl_ILLread_lp_state * state);

                                               /* returns 1 iff found a number 
                                                * otherwise 0 */
extern int dbl_ILLread_lp_state_colon (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_has_colon (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_statxe_has_colon (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_next_constraint (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_sense (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLtest_lp_state_sense (
  dbl_ILLread_lp_state * state,
  int all);
extern void dbl_ILLtest_lp_state_bound_sense (
  dbl_ILLread_lp_state * state);
extern int dbl_ILLread_lp_state_value (
  dbl_ILLread_lp_state * state,
  double * d);
extern int dbl_ILLtest_lp_state_next_is (
  dbl_ILLread_lp_state * state,
  const char *str);
extern int dbl_ILLread_lp_state_skip_blanks (
  dbl_ILLread_lp_state * state,
  int wrapLines);

extern int dbl_ILLcheck_subject_to (
  dbl_ILLread_lp_state * state);

/*---------------------------------------------------------------------------*/
/* errors and warnings 
 */
extern int dbl_ILLlp_error (
  dbl_ILLread_lp_state * state,
  const char *format,
  ...);
extern void dbl_ILLlp_warn (
  dbl_ILLread_lp_state * state,
  const char *format,
  ...);

/*---------------------------------------------------------------------------*/
/* shared with read_mps_state.c 
 */
extern int dbl_ILLget_value (
  char *line,
  double * coef);

#endif

---