diff options
author | PaulMeng <pmtruth@hotmail.com> | 2016-07-05 13:56:53 -0400 |
---|---|---|
committer | PaulMeng <pmtruth@hotmail.com> | 2016-07-05 13:56:53 -0400 |
commit | 36a0d1d948f201471596e092136c5a00103f78af (patch) | |
tree | 7a9b0d79074da1cb0c1cbed986584d50792a30e9 /src/theory/rep_set.h | |
parent | 66525e81928d0d025dbcc197ab3ef772eac31103 (diff) | |
parent | a58abbe71fb1fc07129ff9c7568ac544145fb57c (diff) |
Merge branch 'master' of https://github.com/CVC4/CVC4.git
Conflicts:
proofs/signatures/Makefile.am
src/Makefile.am
src/expr/datatype.cpp
src/options/datatypes_options
src/options/options_template.cpp
src/options/quantifiers_options
src/proof/arith_proof.cpp
src/proof/arith_proof.h
src/proof/array_proof.cpp
src/proof/array_proof.h
src/proof/bitvector_proof.cpp
src/proof/bitvector_proof.h
src/proof/cnf_proof.cpp
src/proof/cnf_proof.h
src/proof/proof_manager.cpp
src/proof/proof_manager.h
src/proof/sat_proof.h
src/proof/sat_proof_implementation.h
src/proof/skolemization_manager.h
src/proof/theory_proof.cpp
src/proof/theory_proof.h
src/proof/uf_proof.cpp
src/proof/uf_proof.h
src/prop/cnf_stream.cpp
src/prop/cnf_stream.h
src/prop/minisat/core/Solver.cc
src/prop/prop_engine.cpp
src/prop/prop_engine.h
src/prop/theory_proxy.cpp
src/smt/smt_engine.cpp
src/smt/smt_engine_check_proof.cpp
src/theory/arrays/array_proof_reconstruction.cpp
src/theory/arrays/theory_arrays.cpp
src/theory/bv/eager_bitblaster.cpp
src/theory/bv/lazy_bitblaster.cpp
src/theory/datatypes/theory_datatypes.cpp
src/theory/quantifiers/alpha_equivalence.cpp
src/theory/quantifiers/candidate_generator.cpp
src/theory/quantifiers/candidate_generator.h
src/theory/quantifiers/ce_guided_single_inv.cpp
src/theory/quantifiers/ceg_instantiator.cpp
src/theory/quantifiers/conjecture_generator.cpp
src/theory/quantifiers/equality_infer.cpp
src/theory/quantifiers/equality_infer.h
src/theory/quantifiers/inst_match_generator.cpp
src/theory/quantifiers/inst_propagator.cpp
src/theory/quantifiers/inst_propagator.h
src/theory/quantifiers/inst_strategy_e_matching.cpp
src/theory/quantifiers/inst_strategy_e_matching.h
src/theory/quantifiers/instantiation_engine.cpp
src/theory/quantifiers/model_builder.cpp
src/theory/quantifiers/model_engine.cpp
src/theory/quantifiers/quant_conflict_find.cpp
src/theory/quantifiers/quant_conflict_find.h
src/theory/quantifiers/quant_split.cpp
src/theory/quantifiers/quant_util.cpp
src/theory/quantifiers/quantifiers_rewriter.cpp
src/theory/quantifiers/quantifiers_rewriter.h
src/theory/quantifiers/term_database.cpp
src/theory/quantifiers/term_database.h
src/theory/quantifiers/trigger.cpp
src/theory/quantifiers/trigger.h
src/theory/quantifiers_engine.cpp
src/theory/quantifiers_engine.h
src/theory/sets/kinds
src/theory/sets/theory_sets_private.cpp
src/theory/sets/theory_sets_private.h
src/theory/sets/theory_sets_rewriter.cpp
src/theory/sets/theory_sets_type_rules.h
src/theory/strings/theory_strings.cpp
src/theory/strings/theory_strings.h
src/theory/theory_engine.cpp
src/theory/theory_engine.h
src/theory/uf/equality_engine.cpp
test/regress/regress0/fmf/Makefile.am
test/regress/regress0/quantifiers/Makefile.am
test/regress/regress0/strings/Makefile.am
test/regress/regress0/sygus/Makefile.am
test/regress/regress0/sygus/max2-univ.sy
Diffstat (limited to 'src/theory/rep_set.h')
-rw-r--r-- | src/theory/rep_set.h | 55 |
1 files changed, 33 insertions, 22 deletions
diff --git a/src/theory/rep_set.h b/src/theory/rep_set.h index 08fc7dd52..ee927de86 100644 --- a/src/theory/rep_set.h +++ b/src/theory/rep_set.h @@ -64,22 +64,42 @@ class RepSetIterator { public: enum { ENUM_DOMAIN_ELEMENTS, - ENUM_RANGE, + ENUM_INT_RANGE, + ENUM_SET_MEMBERS, }; private: QuantifiersEngine * d_qe; //initialize function bool initialize(); - //for enum ranges + //for int ranges std::map< int, Node > d_lower_bounds; + //for set ranges + std::map< int, std::vector< Node > > d_setm_bounds; //domain size int domainSize( int i ); //node this is rep set iterator is for Node d_owner; - //reset index - bool resetIndex( int i, bool initial = false ); + //reset index, 1:success, 0:empty, -1:fail + int resetIndex( int i, bool initial = false ); /** set index order */ void setIndexOrder( std::vector< int >& indexOrder ); + /** do reset increment the iterator at index=counter */ + int do_reset_increment( int counter, bool initial = false ); + //ordering for variables we are indexing over + // for example, given reps = { a, b } and quantifier forall( x, y, z ) P( x, y, z ) with d_index_order = { 2, 0, 1 }, + // then we consider instantiations in this order: + // a/x a/y a/z + // a/x b/y a/z + // b/x a/y a/z + // b/x b/y a/z + // ... + std::vector< int > d_index_order; + //variables to index they are considered at + // for example, if d_index_order = { 2, 0, 1 } + // then d_var_order = { 0 -> 1, 1 -> 2, 2 -> 0 } + std::map< int, int > d_var_order; + //are we only considering a strict subset of the domain of the quantifier? + bool d_incomplete; public: RepSetIterator( QuantifiersEngine * qe, RepSet* rs ); ~RepSetIterator(){} @@ -92,43 +112,34 @@ public: RepSet* d_rep_set; //enumeration type? std::vector< int > d_enum_type; - //index we are considering + //current tuple we are considering std::vector< int > d_index; //types we are considering std::vector< TypeNode > d_types; //domain we are considering std::vector< RepDomain > d_domain; - //are we only considering a strict subset of the domain of the quantifier? - bool d_incomplete; - //ordering for variables we are indexing over - // for example, given reps = { a, b } and quantifier forall( x, y, z ) P( x, y, z ) with d_index_order = { 2, 0, 1 }, - // then we consider instantiations in this order: - // a/x a/y a/z - // a/x b/y a/z - // b/x a/y a/z - // b/x b/y a/z - // ... - std::vector< int > d_index_order; - //variables to index they are considered at - // for example, if d_index_order = { 2, 0, 1 } - // then d_var_order = { 0 -> 1, 1 -> 2, 2 -> 0 } - std::map< int, int > d_var_order; //intervals std::map< int, Node > d_bounds[2]; public: /** increment the iterator at index=counter */ - int increment2( int counter ); + int increment2( int i ); /** increment the iterator */ int increment(); /** is the iterator finished? */ bool isFinished(); /** get the i_th term we are considering */ - Node getTerm( int i ); + Node getCurrentTerm( int v ); /** get the number of terms we are considering */ int getNumTerms() { return (int)d_index_order.size(); } /** debug print */ void debugPrint( const char* c ); void debugPrintSmall( const char* c ); + //get index order, returns var # + int getIndexOrder( int v ) { return d_index_order[v]; } + //get variable order, returns index # + int getVariableOrder( int i ) { return d_var_order[i]; } + //is incomplete + bool isIncomplete() { return d_incomplete; } };/* class RepSetIterator */ }/* CVC4::theory namespace */ |