boolean_problem.cc File Reference

Go to the source code of this file.

Namespaces
namespace	operations_research
	Collection of objects used to extend the Constraint Solver library.
namespace	operations_research::sat

Functions
	ABSL_FLAG (std::string, debug_dump_symmetry_graph_to_file, "", "If this flag is non-empty, an undirected graph whose" " automorphism group is in one-to-one correspondence with the" " symmetries of the SAT problem will be dumped to a file every" " time FindLinearBooleanProblemSymmetries() is called.")
void	ExtractAssignment (const LinearBooleanProblem &problem, const SatSolver &solver, std::vector< bool > *assignment)
absl::Status	ValidateBooleanProblem (const LinearBooleanProblem &problem)
CpModelProto	BooleanProblemToCpModelproto (const LinearBooleanProblem &problem)
void	ChangeOptimizationDirection (LinearBooleanProblem *problem)
bool	LoadBooleanProblem (const LinearBooleanProblem &problem, SatSolver *solver)
bool	LoadAndConsumeBooleanProblem (LinearBooleanProblem *problem, SatSolver *solver)
void	UseObjectiveForSatAssignmentPreference (const LinearBooleanProblem &problem, SatSolver *solver)
bool	AddObjectiveUpperBound (const LinearBooleanProblem &problem, Coefficient upper_bound, SatSolver *solver)
bool	AddObjectiveConstraint (const LinearBooleanProblem &problem, bool use_lower_bound, Coefficient lower_bound, bool use_upper_bound, Coefficient upper_bound, SatSolver *solver)
Coefficient	ComputeObjectiveValue (const LinearBooleanProblem &problem, const std::vector< bool > &assignment)
bool	IsAssignmentValid (const LinearBooleanProblem &problem, const std::vector< bool > &assignment)
std::string	LinearBooleanProblemToCnfString (const LinearBooleanProblem &problem)
void	StoreAssignment (const VariablesAssignment &assignment, BooleanAssignment *output)
void	ExtractSubproblem (const LinearBooleanProblem &problem, const std::vector< int > &constraint_indices, LinearBooleanProblem *subproblem)
template<typename Graph >
Graph *	GenerateGraphForSymmetryDetection (const LinearBooleanProblem &problem, std::vector< int > *initial_equivalence_classes)
void	MakeAllLiteralsPositive (LinearBooleanProblem *problem)
void	FindLinearBooleanProblemSymmetries (const LinearBooleanProblem &problem, std::vector< std::unique_ptr< SparsePermutation > > *generators)
void	ApplyLiteralMappingToBooleanProblem (const absl::StrongVector< LiteralIndex, LiteralIndex > &mapping, LinearBooleanProblem *problem)
void	ProbeAndSimplifyProblem (SatPostsolver *postsolver, LinearBooleanProblem *problem)

Function Documentation

ABSL_FLAG()

ABSL_FLAG	(	std::string	,
		debug_dump_symmetry_graph_to_file	,
		""	,
		"If this flag is non-	empty,
		an undirected graph whose" " automorphism group is in one-to-one correspondence with the" " symmetries of the SAT problem will be dumped to a file every" " time FindLinearBooleanProblemSymmetries() is called."
	)