main.c File Reference

Detailed Description

main file for the Pseudo-Boolean solver application

Author

Alexander Hoen

Gioni Mexi

Dominik Kamp

Definition in file main.c.

#include <stdio.h>
#include <string.h>
#include <time.h>
#include "scip/scipdefplugins.h"
#include "scip/scipshell.h"
#include "message_pb.h"
#include "event_bestsol.h"

Go to the source code of this file.

Macros
#define	SETOBJ   FALSE
#define	HEURISTICS_OFF   FALSE
#define	MAXINTSIZE   47
#define	MAXMEMUSAGE   0.9
#define	POSTTIME   3.0

Functions
static SCIP_RETCODE	loadSettingsPureSat (SCIP *scip)
static SCIP_RETCODE	loadSettingsMaxSAT (SCIP *scip)
static SCIP_RETCODE	fromCommandLine (SCIP *scip, const char *settingsfilename, const char *problemfilename, SCIP_Real timelimit, clock_t startclock)
static SCIP_RETCODE	processShellArguments (SCIP *scip, int argc, char **argv, clock_t startclock, const char *defaultsetname)
static SCIP_RETCODE	runShell (int argc, char **argv, clock_t startclock, const char *defaultsetname)
int	main (int argc, char **argv)

Macro Definition Documentation

SETOBJ

#define SETOBJ   FALSE

insert objective function if no exists

Definition at line 45 of file main.c.

HEURISTICS_OFF

#define HEURISTICS_OFF   FALSE

turn off heuristics

Definition at line 46 of file main.c.

MAXINTSIZE

#define MAXINTSIZE   47

maximal intsize accepted in problem instance

Definition at line 47 of file main.c.

Referenced by fromCommandLine().

MAXMEMUSAGE

#define MAXMEMUSAGE   0.9

maximal memory usage relative to given memory limit

Definition at line 48 of file main.c.

Referenced by processShellArguments().

POSTTIME

#define POSTTIME   3.0

time in seconds saved in the end to display solution and free everything

Definition at line 49 of file main.c.

Referenced by fromCommandLine().

Function Documentation

loadSettingsPureSat()

SCIP_RETCODE loadSettingsPureSat ( SCIP * scip )

static

sets parameters for pure satisfiability problems

Parameters

scip	SCIP data structure

Definition at line 54 of file main.c.

References SCIP_OKAY.

Referenced by fromCommandLine().

loadSettingsMaxSAT()

SCIP_RETCODE loadSettingsMaxSAT ( SCIP * scip )

static

sets parameters for maximum satisfiability instances

Parameters

scip	SCIP data structure

Definition at line 64 of file main.c.

References SCIP_OKAY.

Referenced by fromCommandLine().

fromCommandLine()

SCIP_RETCODE fromCommandLine ( SCIP * scip, const char * settingsfilename, const char * problemfilename, SCIP_Real timelimit, clock_t startclock )

static

run SCIP from command line

Parameters

scip	SCIP data structure
settingsfilename	settings file name
problemfilename	problem file name
timelimit	required time limit
startclock	clock at which the process started

Definition at line 74 of file main.c.

References assert(), c, FALSE, h, loadSettingsMaxSAT(), loadSettingsPureSat(), MAXINTSIZE, NULL, nvars, POSTTIME, SCIP_Bool, SCIP_CALL, SCIP_INVALIDCALL, SCIP_INVALIDDATA, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIP_SETPPCTYPE_COVERING, SCIPchgVarObj(), SCIPconshdlrGetCheckConss(), SCIPconshdlrGetConss(), SCIPconshdlrGetNCheckConss(), SCIPconshdlrGetNConss(), SCIPcreateEventHdlrBestsol(), SCIPduplicateBufferArray, SCIPfindConshdlr(), SCIPfreeBufferArray, SCIPgetHeurs(), SCIPgetIndVarPseudoboolean(), SCIPgetMessagehdlr(), SCIPgetNCheckConss(), SCIPgetNHeurs(), SCIPgetNOrigVars(), SCIPgetOrigVars(), SCIPgetReadingTime(), SCIPgetTypeSetppc(), SCIPheurGetFreq(), SCIPheurGetName(), SCIPinfoMessage(), SCIPisZero(), SCIPmessagehdlrGetData(), SCIPpresolve(), SCIPprintSolutionPbSolver(), SCIPprintStatistics(), SCIPprintUnsupportedPbSolver(), SCIPreadParams(), SCIPreadProb(), SCIPsetBoolParam(), SCIPsetIntParam(), SCIPsetRealParam(), SCIPsnprintf(), SCIPsolve(), SCIPsplitFilename(), SCIPvarGetNLocksUp(), SCIPvarGetObj(), SCIPwriteParams(), SCIPwriteTransProblem(), TRUE, and vars.

processShellArguments()

SCIP_RETCODE processShellArguments ( SCIP * scip, int argc, char ** argv, clock_t startclock, const char * defaultsetname )

static

evaluates command line parameters and runs SCIP appropriately in the given SCIP instance

Parameters

scip	SCIP data structure
argc	number of shell parameters
argv	array with shell parameters
startclock	clock at which the process started
defaultsetname	name of default settings file

Definition at line 303 of file main.c.

References assert(), FALSE, fromCommandLine(), i, interactive(), MAXMEMUSAGE, NULL, SCIP_Bool, SCIP_CALL, SCIP_CALL_FINALLY, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddDialogInputLine(), SCIPerrorMessage, SCIPfclose(), SCIPfeof(), SCIPfgets(), SCIPfileExists(), SCIPfopen(), SCIPgetMessagehdlr(), SCIPinfoMessage(), SCIPmessagehdlrGetData(), SCIPprintExternalCodes(), SCIPprintVersion(), SCIPreadParams(), SCIPsetIntParam(), SCIPsetMessagehdlrLogfile(), SCIPsetMessagehdlrQuiet(), SCIPsetRealParam(), SCIPstartInteraction(), and TRUE.

Referenced by runShell().

runShell()

SCIP_RETCODE runShell ( int argc, char ** argv, clock_t startclock, const char * defaultsetname )

static

creates a SCIP instance with default plugins, evaluates command line parameters, runs SCIP appropriately, and frees the SCIP instance

Parameters

argc	number of shell parameters
argv	array with shell parameters
startclock	clock at which the process started
defaultsetname	name of default settings file

Definition at line 535 of file main.c.

References BMScheckEmptyMemory, FALSE, NULL, processShellArguments(), SCIP_CALL, SCIP_OKAY, SCIPcreate(), SCIPcreateMessagehdlrPbSolver(), SCIPfree(), SCIPincludeDefaultPlugins(), SCIPmessagehdlrRelease(), SCIPsetMessagehdlr(), and TRUE.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv )

main method starting the PBSolver

Parameters

argc	number of arguments
argv	string array with arguments

Definition at line 581 of file main.c.

References runShell(), and SCIP_OKAY.