reader_cbf.c File Reference

file reader for mixed-integer semidefinite programs in CBF format More...

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Macros
#define	READER_NAME   "cbfreader"
#define	READER_DESC   "file reader and writer for MISDPs in cbf format"
#define	READER_EXTENSION   "cbf"
#define	CBF_VERSION_NR   1
#define	CBF_CHECK_NONNEG   TRUE
#define	MACRO_STR_EXPAND(tok)   #tok
#define	MACRO_STR(tok)   MACRO_STR_EXPAND(tok)
#define	CBF_NAME_FORMAT   "%" MACRO_STR(CBF_MAX_NAME) "s"
#define	CBF_MAX_LINE   512 /* Last 3 chars reserved for '\r\n\0' */
#define	CBF_MAX_NAME   512

Typedefs
typedef struct CBF_Data	CBF_DATA

Functions
static SCIP_RETCODE	CBFfgets (SCIP_FILE *pFile, long long int *linecount)
static SCIP_RETCODE	CBFreadObjsense (SCIP *scip, SCIP_FILE *pfile, long long int *linecount)
static SCIP_RETCODE	CBFreadVar (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadCon (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadInt (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadPsdcon (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadObjacoord (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadAcoord (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadBcoord (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadHcoord (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFreadDcoord (SCIP *scip, SCIP_FILE *pfile, long long int *linecount, CBF_DATA *data)
static SCIP_RETCODE	CBFfreeData (SCIP *scip, CBF_DATA *data)
static	SCIP_DECL_READERCOPY (readerCopyCbf)
static	SCIP_DECL_READERREAD (readerReadCbf)
static	SCIP_DECL_READERWRITE (readerWriteCbf)
SCIP_RETCODE	SCIPincludeReaderCbf (SCIP *scip)

Variables
char	CBF_LINE_BUFFER [CBF_MAX_LINE]
char	CBF_NAME_BUFFER [CBF_MAX_NAME]

Detailed Description

file reader for mixed-integer semidefinite programs in CBF format

Author

Tristan Gally

Henrik A. Friberg

Definition in file reader_cbf.c.

Macro Definition Documentation

#define READER_NAME   "cbfreader"

Definition at line 53 of file reader_cbf.c.

Referenced by SCIPincludeReaderCbf().

#define READER_DESC   "file reader and writer for MISDPs in cbf format"

Definition at line 54 of file reader_cbf.c.

Referenced by SCIPincludeReaderCbf().

#define READER_EXTENSION   "cbf"

Definition at line 55 of file reader_cbf.c.

Referenced by SCIPincludeReaderCbf().

#define CBF_VERSION_NR   1

version number for CBF format

Definition at line 57 of file reader_cbf.c.

#define CBF_CHECK_NONNEG   TRUE

when writing: check linear constraints and move nonnegativity(-positivity) constraints to definition of variables (which are now defined in non-negative orthant)

Definition at line 58 of file reader_cbf.c.

#define MACRO_STR_EXPAND

(

tok

)

#tok

Definition at line 67 of file reader_cbf.c.

#define MACRO_STR

(

tok

)

MACRO_STR_EXPAND(tok)

Definition at line 68 of file reader_cbf.c.

#define CBF_NAME_FORMAT   "%" MACRO_STR(CBF_MAX_NAME) "s"

Definition at line 69 of file reader_cbf.c.

Referenced by CBFreadCon(), CBFreadObjsense(), and CBFreadVar().

#define CBF_MAX_LINE   512 /* Last 3 chars reserved for '\r\n\0' */

Definition at line 70 of file reader_cbf.c.

#define CBF_MAX_NAME   512

Definition at line 71 of file reader_cbf.c.

Typedef Documentation

typedef struct CBF_Data CBF_DATA

Definition at line 111 of file reader_cbf.c.

Function Documentation

static SCIP_RETCODE CBFfgets ( SCIP_FILE *  pFile, long long int *  linecount  )

static

finds first non-commentary line in given file

Definition at line 120 of file reader_cbf.c.

References CBF_LINE_BUFFER.

Referenced by CBFreadAcoord(), CBFreadBcoord(), CBFreadCon(), CBFreadDcoord(), CBFreadHcoord(), CBFreadInt(), CBFreadObjacoord(), CBFreadObjsense(), CBFreadPsdcon(), and CBFreadVar().

static SCIP_RETCODE CBFreadObjsense ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount  )

static

reads objective sense from given CBF-file

Definition at line 142 of file reader_cbf.c.

References CBF_LINE_BUFFER, CBF_NAME_BUFFER, CBF_NAME_FORMAT, and CBFfgets().

static SCIP_RETCODE CBFreadVar ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads the number and type of variables from given CBF-file

Definition at line 180 of file reader_cbf.c.

References CBF_LINE_BUFFER, CBF_NAME_BUFFER, CBF_NAME_FORMAT, and CBFfgets().

static SCIP_RETCODE CBFreadCon ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads the number and type of constraints from given CBF-file

Definition at line 309 of file reader_cbf.c.

References CBF_LINE_BUFFER, CBF_NAME_BUFFER, CBF_NAME_FORMAT, and CBFfgets().

static SCIP_RETCODE CBFreadInt ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads integrality conditions from given CBF-file

Definition at line 440 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadPsdcon ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads SDP-constraint sizes from given CBF-file

Definition at line 497 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadObjacoord ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads objective values from given CBF-file

Definition at line 548 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadAcoord ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads linear coefficients from given CBF-file

Definition at line 610 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadBcoord ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads left- and right-hand sides from given CBF-file

Definition at line 677 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadHcoord ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads nonzero coefficients of SDP-constraints from given CBF-file

Definition at line 753 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFreadDcoord ( SCIP *  scip, SCIP_FILE *  pfile, long long int *  linecount, CBF_DATA *  data  )

static

reads constant entries of SDP-constraints from given CBF-file

Definition at line 915 of file reader_cbf.c.

References CBF_LINE_BUFFER, and CBFfgets().

static SCIP_RETCODE CBFfreeData ( SCIP *  scip, CBF_DATA *  data  )

static

frees all data allocated for the CBF-data-struct

Definition at line 1018 of file reader_cbf.c.

static SCIP_DECL_READERCOPY ( readerCopyCbf  )

static

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

Definition at line 1071 of file reader_cbf.c.

static SCIP_DECL_READERREAD ( readerReadCbf  )

static

problem reading method of reader

Definition at line 1082 of file reader_cbf.c.

static SCIP_DECL_READERWRITE ( readerWriteCbf  )

static

problem writing method of reader

Definition at line 1288 of file reader_cbf.c.

SCIP_RETCODE SCIPincludeReaderCbf

(

SCIP *

scip

)

includes the CBF file reader in SCIP

Parameters

scip	SCIP data structure

Definition at line 1912 of file reader_cbf.c.

References READER_DESC, READER_EXTENSION, and READER_NAME.

Referenced by runSCIP().

Variable Documentation

char CBF_LINE_BUFFER[CBF_MAX_LINE]

Definition at line 73 of file reader_cbf.c.

Referenced by CBFfgets(), CBFreadAcoord(), CBFreadBcoord(), CBFreadCon(), CBFreadDcoord(), CBFreadHcoord(), CBFreadInt(), CBFreadObjacoord(), CBFreadObjsense(), CBFreadPsdcon(), and CBFreadVar().

char CBF_NAME_BUFFER[CBF_MAX_NAME]

Definition at line 74 of file reader_cbf.c.

Referenced by CBFreadCon(), CBFreadObjsense(), and CBFreadVar().