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

Macros
#define	READER_NAME "sdpareader"

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

#define	READER_EXTENSION "dat-s"

#define	SDPA_MIN_BUFFERLEN 65536 /* minimal size of buffer */

Typedefs
typedef struct SDPA_Data	SDPA_DATA

Functions
static SCIP_RETCODE	readLine (SCIP scip, SCIP_FILE file, char *buffer, int bufferlen, SCIP_Bool *success)

static SCIP_RETCODE	readNextLine (SCIP scip, SCIP_FILE file, char *buffer, int bufferlen, SCIP_Longint linecount, SCIP_Bool success)

static SCIP_RETCODE	readNextLineStar (SCIP scip, SCIP_FILE file, char *buffer, int bufferlen, SCIP_Longint linecount, SCIP_Bool success)

static SCIP_RETCODE	readLineDoubles (SCIP scip, SCIP_FILE file, char *buffer, int bufferlen, SCIP_Longint linecount, int nvals, SCIP_Real values, int *nread)

static SCIP_RETCODE	readLineInts (SCIP scip, SCIP_FILE file, char *buffer, int bufferlen, SCIP_Longint linecount, int nvals, int values, int *nread)

static SCIP_RETCODE	SDPAfreeData (SCIP scip, SCIP_FILE file, SDPA_DATA *data)

static SCIP_RETCODE	SDPAreadNVars (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadNBlocks (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadBlockSize (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadObjVals (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadBlocks (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadInt (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static SCIP_RETCODE	SDPAreadRank1 (SCIP scip, SCIP_FILE file, SCIP_Longint linecount, SDPA_DATA data)

static	SCIP_DECL_READERCOPY (readerCopySdpa)

static	SCIP_DECL_READERREAD (readerReadSdpa)

static	SCIP_DECL_READERWRITE (readerWriteSdpa)

SCIP_RETCODE	SCIPincludeReaderSdpa (SCIP *scip)

Detailed Description

file reader for mixed-integer semidefinite programs in SDPA format

Author: Tim Schmidt; Frederic Matter; Marc Pfetsch

Definition in file reader_sdpa.c.

Macro Definition Documentation

#define READER_NAME "sdpareader"

Definition at line 57 of file reader_sdpa.c.

Referenced by SCIPincludeReaderSdpa().

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

Definition at line 58 of file reader_sdpa.c.

Referenced by SCIPincludeReaderSdpa().

#define READER_EXTENSION "dat-s"

Definition at line 59 of file reader_sdpa.c.

Referenced by SCIPincludeReaderSdpa().

#define SDPA_MIN_BUFFERLEN 65536 /* minimal size of buffer */

Definition at line 61 of file reader_sdpa.c.

Referenced by readLine().

Typedef Documentation

typedef struct SDPA_Data SDPA_DATA

Definition at line 97 of file reader_sdpa.c.

Function Documentation

static SCIP_RETCODE readLine	(	SCIP *	scip,
		SCIP_FILE *	file,
		char **	buffer,
		int *	bufferlen,
		SCIP_Bool *	success
	)

static

reads the next line from the input file into the line buffer, possibly reallocating buffer

Parameters

scip	SCIP data structure
file	file
buffer	buffer to read into
bufferlen	buffer length
success	pointer to store whether reading was successful (no error or EOF occured)

Definition at line 105 of file reader_sdpa.c.

References SDPA_MIN_BUFFERLEN.

Referenced by readLineDoubles(), readLineInts(), readNextLine(), and readNextLineStar().

static SCIP_RETCODE readNextLine	(	SCIP *	scip,
		SCIP_FILE *	file,
		char **	buffer,
		int *	bufferlen,
		SCIP_Longint *	linecount,
		SCIP_Bool *	success
	)

static

reads next non-commentary line in given file

Parameters

scip	SCIP data structure
file	file to read from
buffer	buffer to read into
bufferlen	buffer length
linecount	current linecount
success	pointer to store whether reading was successful (no error or EOF occured)

Definition at line 169 of file reader_sdpa.c.

References readLine().

Referenced by SDPAreadBlocks(), SDPAreadNBlocks(), and SDPAreadNVars().

static SCIP_RETCODE readNextLineStar	(	SCIP *	scip,
		SCIP_FILE *	file,
		char **	buffer,
		int *	bufferlen,
		SCIP_Longint *	linecount,
		SCIP_Bool *	success
	)

static

reads next line in given file, each line starting with '*'

Parameters

scip	SCIP data structure
file	file to read from
buffer	buffer to read into
bufferlen	buffer length
linecount	current linecount
success	pointer to store whether reading was successful (no error or EOF occured)

Definition at line 211 of file reader_sdpa.c.

References readLine().

Referenced by SDPAreadInt(), and SDPAreadRank1().

static SCIP_RETCODE readLineDoubles	(	SCIP *	scip,
		SCIP_FILE *	file,
		char **	buffer,
		int *	bufferlen,
		SCIP_Longint *	linecount,
		int	nvals,
		SCIP_Real *	values,
		int *	nread
	)

static

method for reading a given list of double numbers from file

Parameters

scip	SCIP data structure
file	file to read from
buffer	pointer to buffer
bufferlen	pointer to bufferlne
linecount	current linecount
nvals	number of values to read
values	values that have been read
nread	pointer to store the number of read doubles

Definition at line 246 of file reader_sdpa.c.

References readLine().

Referenced by SDPAreadObjVals().

static SCIP_RETCODE readLineInts	(	SCIP *	scip,
		SCIP_FILE *	file,
		char **	buffer,
		int *	bufferlen,
		SCIP_Longint *	linecount,
		int	nvals,
		int *	values,
		int *	nread
	)

static

method for reading a list of integer numbers from a file

Parameters

scip	SCIP data structure
file	file to read from
buffer	pointer to buffer
bufferlen	pointer to bufferlne
linecount	current linecount
nvals	number of values to read
values	values that have been read
nread	pointer to store the number of read ints

Definition at line 340 of file reader_sdpa.c.

References readLine().

Referenced by SDPAreadBlockSize().

static SCIP_RETCODE SDPAfreeData	(	SCIP *	scip,
		SCIP_FILE *	file,
		SDPA_DATA *	data
	)

static

frees all data allocated for the SDPA-data-struct

Parameters

scip	SCIP data structure
file	file
data	data pointer to save the results in

Definition at line 425 of file reader_sdpa.c.

Referenced by SCIP_DECL_READERREAD(), SDPAreadBlocks(), SDPAreadBlockSize(), SDPAreadInt(), SDPAreadNBlocks(), SDPAreadNVars(), SDPAreadObjVals(), and SDPAreadRank1().

static SCIP_RETCODE SDPAreadNVars	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads the number of variables from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 498 of file reader_sdpa.c.

References readNextLine(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadNBlocks	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads the number of constraint blocks from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 574 of file reader_sdpa.c.

References readNextLine(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadBlockSize	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads SDP-constraint sizes and number of linear constraints from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 620 of file reader_sdpa.c.

References readLineInts(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadObjVals	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads objective values for scalar variables from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 758 of file reader_sdpa.c.

References readLineDoubles(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadBlocks	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads the SDP-constraint blocks and the linear constraint block

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 826 of file reader_sdpa.c.

References readNextLine(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadInt	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads integrality conditions from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 1461 of file reader_sdpa.c.

References readNextLineStar(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_RETCODE SDPAreadRank1	(	SCIP *	scip,
		SCIP_FILE *	file,
		SCIP_Longint *	linecount,
		SDPA_DATA *	data
	)

static

reads rank1 conditions from given SDPA-file

Parameters

scip	SCIP data structure
file	file to read from
linecount	current linecount
data	data pointer to save the results in

Definition at line 1542 of file reader_sdpa.c.

References readNextLineStar(), and SDPAfreeData().

Referenced by SCIP_DECL_READERREAD().

static SCIP_DECL_READERCOPY ( readerCopySdpa )

static

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

Definition at line 1642 of file reader_sdpa.c.

References SCIPincludeReaderSdpa().

static SCIP_DECL_READERREAD ( readerReadSdpa )

static

problem reading method of reader

Definition at line 1654 of file reader_sdpa.c.

References SCIPcreateConsSdp(), SCIPcreateConsSdpRank1(), SDPAfreeData(), SDPAreadBlocks(), SDPAreadBlockSize(), SDPAreadInt(), SDPAreadNBlocks(), SDPAreadNVars(), SDPAreadObjVals(), and SDPAreadRank1().

static SCIP_DECL_READERWRITE ( readerWriteSdpa )

static

problem writing method of reader

Definition at line 1812 of file reader_sdpa.c.

References SCIPconsSdpGetBlocksize(), SCIPconsSdpGetData(), SCIPconsSdpGetNNonz(), and SCIPconsSdpShouldBeRankOne().

SCIP_RETCODE SCIPincludeReaderSdpa ( SCIP * scip )

includes the SDPA file reader in SCIP

Parameters

scip	SCIP data structure

Definition at line 2272 of file reader_sdpa.c.

References READER_DESC, READER_EXTENSION, and READER_NAME.

Referenced by SCIP_DECL_READERCOPY(), and SCIPSDPincludeDefaultPlugins().

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

Typedef Documentation

Function Documentation