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cnf_clause_listt Class Reference

#include <cnf_clause_list.h>

Inheritance diagram for cnf_clause_listt:
Collaboration diagram for cnf_clause_listt:

Public Types

typedef std::list< bvtclausest
Public Types inherited from propt
enum class  resultt { P_SATISFIABLE , P_UNSATISFIABLE , P_ERROR }

Public Member Functions

 cnf_clause_listt (message_handlert &message_handler)
virtual ~cnf_clause_listt ()
void lcnf (const bvt &bv) override
std::string solver_text () const override
tvt l_get (literalt) const override
size_t no_clauses () const override
clausestget_clauses ()
void copy_to (cnft &cnf) const
size_t hash () const
Public Member Functions inherited from cnft
 cnft (message_handlert &message_handler)
virtual ~cnft ()
virtual literalt land (literalt a, literalt b) override
virtual literalt lor (literalt a, literalt b) override
virtual literalt land (const bvt &bv) override
 Tseitin encoding of conjunction between multiple literals.
virtual literalt lor (const bvt &bv) override
 Tseitin encoding of disjunction between multiple literals.
virtual literalt lxor (const bvt &bv) override
 Tseitin encoding of XOR between multiple literals.
virtual literalt lxor (literalt a, literalt b) override
virtual literalt lnand (literalt a, literalt b) override
virtual literalt lnor (literalt a, literalt b) override
virtual literalt lequal (literalt a, literalt b) override
virtual literalt limplies (literalt a, literalt b) override
virtual literalt lselect (literalt a, literalt b, literalt c) override
virtual literalt new_variable () override
 Generate a new variable and return it as a literal.
bvt new_variables (std::size_t width) override
 Generate a vector of new variables.
virtual size_t no_variables () const override
virtual void set_no_variables (size_t no)
Public Member Functions inherited from propt
 propt (message_handlert &message_handler)
virtual ~propt ()
virtual void set_equal (literalt a, literalt b)
 asserts a==b in the propositional formula
virtual void l_set_to (literalt a, bool value)
void l_set_to_true (literalt a)
void l_set_to_false (literalt a)
void lcnf (literalt l0, literalt l1)
void lcnf (literalt l0, literalt l1, literalt l2)
void lcnf (literalt l0, literalt l1, literalt l2, literalt l3)
virtual bool has_set_to () const
virtual bool cnf_handled_well () const
virtual bool has_assumptions () const
virtual void set_variable_name (literalt, const irep_idt &)
resultt prop_solve ()
resultt prop_solve (const bvt &assumptions)
virtual void set_assignment (literalt a, bool value)=0
virtual bool is_in_conflict (literalt l) const =0
 Returns true if an assumption is in the final conflict.
virtual bool has_is_in_conflict () const
virtual void set_frozen (literalt)
virtual void set_time_limit_seconds (uint32_t)
std::size_t get_number_of_solver_calls () const

Static Public Member Functions

static size_t hash_clause (const bvt &bv)

Protected Member Functions

resultt do_prop_solve (const bvt &) override
Protected Member Functions inherited from cnft
void gate_and (literalt a, literalt b, literalt o)
 Tseitin encoding of conjunction of two literals.
void gate_or (literalt a, literalt b, literalt o)
 Tseitin encoding of disjunction of two literals.
void gate_xor (literalt a, literalt b, literalt o)
 Tseitin encoding of XOR of two literals.
void gate_nand (literalt a, literalt b, literalt o)
 Tseitin encoding of NAND of two literals.
void gate_nor (literalt a, literalt b, literalt o)
 Tseitin encoding of NOR of two literals.
void gate_equal (literalt a, literalt b, literalt o)
 Tseitin encoding of equality between two literals.
void gate_implies (literalt a, literalt b, literalt o)
 Tseitin encoding of implication between two literals.
bool process_clause (const bvt &bv, bvt &dest) const
 filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses

Protected Attributes

clausest clauses
Protected Attributes inherited from cnft
size_t _no_variables
Protected Attributes inherited from propt
bvt lcnf_bv
messaget log
std::size_t number_of_solver_calls = 0

Additional Inherited Members

Static Protected Member Functions inherited from cnft
static bvt eliminate_duplicates (const bvt &)
 eliminate duplicates from given vector of literals
static bool is_all (const bvt &bv, literalt l)

Detailed Description

Definition at line 23 of file cnf_clause_list.h.

Member Typedef Documentation

◆ clausest

typedef std::list<bvt> cnf_clause_listt::clausest

Definition at line 47 of file cnf_clause_list.h.

Constructor & Destructor Documentation

◆ cnf_clause_listt()

cnf_clause_listt::cnf_clause_listt ( message_handlert & message_handler)
inlineexplicit

Definition at line 26 of file cnf_clause_list.h.

◆ ~cnf_clause_listt()

virtual cnf_clause_listt::~cnf_clause_listt ( )
inlinevirtual

Definition at line 30 of file cnf_clause_list.h.

Member Function Documentation

◆ copy_to()

void cnf_clause_listt::copy_to ( cnft & cnf) const
inline

Definition at line 51 of file cnf_clause_list.h.

◆ do_prop_solve()

resultt cnf_clause_listt::do_prop_solve ( const bvt & )
inlineoverrideprotectedvirtual

Implements propt.

Reimplemented in external_satt, pbs_dimacs_cnft, satcheck_zchaff_baset, and satcheck_zcoret.

Definition at line 80 of file cnf_clause_list.h.

◆ get_clauses()

clausest & cnf_clause_listt::get_clauses ( )
inline

Definition at line 49 of file cnf_clause_list.h.

◆ hash()

size_t cnf_clause_listt::hash ( ) const
inline

Definition at line 70 of file cnf_clause_list.h.

◆ hash_clause()

size_t cnf_clause_listt::hash_clause ( const bvt & bv)
inlinestatic

Definition at line 61 of file cnf_clause_list.h.

◆ l_get()

tvt cnf_clause_listt::l_get ( literalt ) const
inlineoverridevirtual

◆ lcnf()

void cnf_clause_listt::lcnf ( const bvt & bv)
overridevirtual

Implements propt.

Reimplemented in qbf_bdd_coret, qbf_squolem_coret, and qbf_squolemt.

Definition at line 16 of file cnf_clause_list.cpp.

◆ no_clauses()

size_t cnf_clause_listt::no_clauses ( ) const
inlineoverridevirtual

Implements cnft.

Reimplemented in qbf_squolem_coret, and qbf_squolemt.

Definition at line 42 of file cnf_clause_list.h.

◆ solver_text()

std::string cnf_clause_listt::solver_text ( ) const
inlineoverridevirtual

Member Data Documentation

◆ clauses

clausest cnf_clause_listt::clauses
protected

Definition at line 85 of file cnf_clause_list.h.


The documentation for this class was generated from the following files: