lp.h

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00001 /****************************************************************************/
00002 /*                                                                          */
00003 /*  This file is part of QSopt_ex.                                          */
00004 /*                                                                          */
00005 /*  (c) Copyright 2006 by David Applegate, William Cook, Sanjeeb Dash,      */
00006 /*  and Daniel Espinoza                                                     */
00007 /*                                                                          */
00008 /*  Sanjeeb Dash ownership of copyright in QSopt_ex is derived from his     */
00009 /*  copyright in QSopt.                                                     */
00010 /*                                                                          */
00011 /*  This code may be used under the terms of the GNU General Public License */
00012 /*  (Version 2.1 or later) as published by the Free Software Foundation.    */
00013 /*                                                                          */
00014 /*  Alternatively, use is granted for research purposes only.               */
00015 /*                                                                          */
00016 /*  It is your choice of which of these two licenses you are operating      */
00017 /*  under.                                                                  */
00018 /*                                                                          */
00019 /*  We make no guarantees about the correctness or usefulness of this code. */
00020 /*                                                                          */
00021 /****************************************************************************/
00022 
00023 /* RCSINFO $Id: lp.h,v 1.2 2003/11/05 16:57:39 meven Exp $ */
00024 #ifndef LP_H
00025 #define LP_H
00026 
00027 #include "qs_config.h"
00028 #include "readline.h"
00029 
00030 /****************************************************************************/
00031 /*                                                                          */
00032 /*               Routines to support Reading and Writing LP Files           */
00033 /*                                                                          */
00034 /****************************************************************************/
00035 /* 
00036  * -) anything after '\' is comment 
00037  * -) Problem is optional and comes first
00038  * -) Minimize, Maximize, ... comes after Problem
00039  * -) variables consist of a-z A-Z 0-9!"#$%(),;.?@_`'{}|~ 
00040  *    don't start with a digit or '.'
00041  */
00042 
00043 #include "lpdata.h"
00044 #include "rawlp.h"
00045 #include "read_lp.h"
00046 #include "write_lp.h"
00047 
00048 extern int ILLread_lp (
00049   qsline_reader * file,
00050   const char *fname,
00051   rawlpdata * lp);
00052 extern int ILLwrite_lp (
00053   ILLlpdata * l,
00054   qserror_collector * collector);
00055 
00056       /* write using current lp->reporter */
00057 extern int ILLis_lp_name_char (
00058   int c,
00059   int pos);
00060 
00061 extern int ILLread_constraint_name (
00062   ILLread_lp_state * state,
00063   char **rowname);
00064 extern int ILLread_one_constraint (
00065   ILLread_lp_state * state,
00066   const char *rowname,
00067   rawlpdata * lp,
00068   int allowNewColsAddRow);
00069 extern int ILLread_constraint_expr (
00070   ILLread_lp_state * state,
00071   rawlpdata * lp,
00072   int rowind,
00073   int allowNew);
00074 
00075 #endif

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