reader_col.c File Reference

Detailed Description

file reader for vertex coloring instances

Author

Gerald Gamrath

This file implements the reader for vertex coloring problems in DIMACS standard format.

Definition in file reader_col.c.

#include <assert.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include "reader_col.h"

Go to the source code of this file.

Macros
#define	READER_NAME   "colreader"
#define	READER_DESC   "file reader for a .col-file representing a graph that should be colored"
#define	READER_EXTENSION   "col"
#define	COL_MAX_LINELEN   1024

Functions
static long	getNextNumber (char **s)
static SCIP_RETCODE	readCol (SCIP *scip, const char *filename)
static	SCIP_DECL_READERCOPY (readerCopyCol)
static	SCIP_DECL_READERREAD (readerReadCol)
SCIP_RETCODE	SCIPincludeReaderCol (SCIP *scip)

Macro Definition Documentation

READER_NAME

#define READER_NAME   "colreader"

Definition at line 33 of file reader_col.c.

Referenced by SCIP_DECL_READERCOPY(), SCIP_DECL_READERREAD(), and SCIPincludeReaderCol().

READER_DESC

#define READER_DESC   "file reader for a .col-file representing a graph that should be colored"

Definition at line 34 of file reader_col.c.

Referenced by SCIPincludeReaderCol().

READER_EXTENSION

#define READER_EXTENSION   "col"

Definition at line 35 of file reader_col.c.

Referenced by SCIPincludeReaderCol().

COL_MAX_LINELEN

#define COL_MAX_LINELEN   1024

Definition at line 37 of file reader_col.c.

Referenced by readCol().

Function Documentation

getNextNumber()

static long getNextNumber ( char **  s )

static

get next number from string s

Parameters

s	pointer to the pointer of the current position in the string

Definition at line 47 of file reader_col.c.

Referenced by readCol().

readCol()

static SCIP_RETCODE readCol ( SCIP *  scip, const char *  filename  )

static

read LP in "COL File Format"

Parameters

scip	SCIP data structure
filename	name of the input file

Definition at line 65 of file reader_col.c.

References COL_MAX_LINELEN, COLORprobSetUpArrayOfCons(), FALSE, getNextNumber(), nnodes, NULL, SCIP_Bool, SCIP_CALL, SCIP_ERROR, SCIP_NOFILE, SCIP_OKAY, SCIP_READERROR, SCIPactivatePricer(), SCIPallocBufferArray, SCIPcreateProbColoring(), SCIPdebugMessage, SCIPerrorMessage, SCIPfclose(), SCIPfeof(), SCIPfgets(), SCIPfindPricer(), SCIPfopen(), SCIPfreeBufferArray, SCIPsetObjIntegral(), and TRUE.

Referenced by SCIP_DECL_READERREAD().

SCIP_DECL_READERCOPY()

static SCIP_DECL_READERCOPY ( readerCopyCol  )

static

copy method for reader plugins (called when SCIP copies plugins)

Definition at line 258 of file reader_col.c.

References NULL, READER_NAME, SCIP_OKAY, and SCIPreaderGetName().

SCIP_DECL_READERREAD()

static SCIP_DECL_READERREAD ( readerReadCol  )

static

problem reading method of reader

Definition at line 269 of file reader_col.c.

References NULL, readCol(), READER_NAME, SCIP_CALL, SCIP_OKAY, SCIP_SUCCESS, and SCIPreaderGetName().

SCIPincludeReaderCol()

SCIP_RETCODE SCIPincludeReaderCol

(

SCIP *

scip

)

includes the col file reader in SCIP

Parameters

scip	SCIP data structure

Definition at line 291 of file reader_col.c.

References NULL, READER_DESC, READER_EXTENSION, READER_NAME, SCIP_CALL, SCIP_OKAY, SCIPincludeReaderBasic(), SCIPsetReaderCopy(), and SCIPsetReaderRead().

Referenced by SCIPincludeColoringPlugins().