mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 17:15:31 +00:00
Code Activity

port grobner basis functionality

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-18 11:53:17 -07:00
parent 29cc2c5976
commit e8b6b870ac
4 changed files with 81 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/smt/theory_arith.h
View file

@ -1043,7 +1043,7 @@ namespace smt {
void compute_basis(grobner&, bool&);
void update_statistics(grobner&);
void set_gb_exhausted();
bool pass_over_gb_eqs_for_conflict(ptr_vector<grobner::equation>& eqs, grobner&);
bool get_gb_eqs_and_look_for_conflict(ptr_vector<grobner::equation>& eqs, grobner&);
bool scan_for_linear(ptr_vector<grobner::equation>& eqs, grobner&);
bool try_to_modify_eqs(ptr_vector<grobner::equation>& eqs, grobner&, unsigned &);
bool max_min_nl_vars();

4
src/smt/theory_arith_nl.h
View file

@ -2241,7 +2241,7 @@ void theory_arith<Ext>::set_gb_exhausted() {
// Scan the grobner basis eqs, and look for inconsistencies.
template<typename Ext>
bool theory_arith<Ext>::pass_over_gb_eqs_for_conflict(ptr_vector<grobner::equation>& eqs, grobner& gb) {
bool theory_arith<Ext>::get_gb_eqs_and_look_for_conflict(ptr_vector<grobner::equation>& eqs, grobner& gb) {
eqs.reset();
gb.get_equations(eqs);
TRACE("grobner_bug", tout << "after gb\n";);
@ -2346,7 +2346,7 @@ typename theory_arith<Ext>::gb_result theory_arith<Ext>::compute_grobner(svector
TRACE("non_linear_gb", tout << "after:\n"; gb.display(tout););
if (get_context().get_cancel_flag())
return GB_FAIL;
if (pass_over_gb_eqs_for_conflict(eqs, gb))
if (get_gb_eqs_and_look_for_conflict(eqs, gb))
return GB_PROGRESS;
}
while(scan_for_linear(eqs, gb) && m_params.m_nl_arith_gb_perturbate &&