Scippy

    SCIP

    Solving Constraint Integer Programs

    Macros | Functions
    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 42 of file reader_col.c.

    ◆ READER_DESC

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

    Definition at line 43 of file reader_col.c.

    ◆ READER_EXTENSION

    #define READER_EXTENSION   "col"

    Definition at line 44 of file reader_col.c.

    ◆ COL_MAX_LINELEN

    #define COL_MAX_LINELEN   1024

    Definition at line 46 of file reader_col.c.

    Function Documentation

    ◆ getNextNumber()

    static long getNextNumber ( char **  s)
    		static

    get next number from string s

    Parameters
    spointer to the pointer of the current position in the string

    Definition at line 56 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
    scipSCIP data structure
    filenamename of the input file

    Definition at line 74 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 267 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 278 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
    scipSCIP data structure

    Definition at line 300 of file reader_col.c.

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

    Referenced by SCIPincludeColoringPlugins().