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delete unused nlsat_symmetry_checker

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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Lev Nachmanson 2024-08-08 15:06:33 -10:00 • committed by Lev Nachmanson
parent f7905a5d69
commit f81303f2f3
5 changed files with 0 additions and 415 deletions
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44
src/nlsat/nlsat_solver.cpp
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@ -36,7 +36,6 @@ Revision History:
#include "nlsat/nlsat_simplify.h"
#include "nlsat/nlsat_simple_checker.h"
#include "nlsat/nlsat_variable_ordering_strategy.h"
#include "nlsat/nlsat_symmetry_checker.h"
#define NLSAT_EXTRA_VERBOSE
@ -226,7 +225,6 @@ namespace nlsat {
//#linxi begin
bool m_linxi_simple_check;
unsigned m_linxi_variable_ordering_strategy;
bool m_linxi_symmetry_check;
bool m_linxi_set_0_more;
bool m_cell_sample;
//#linxi end
@ -302,7 +300,6 @@ namespace nlsat {
//#linxi begin
m_linxi_simple_check = p.linxi_simple_check();
m_linxi_variable_ordering_strategy = p.linxi_variable_ordering_strategy();
m_linxi_symmetry_check = p.linxi_symmetry_check();
//#linxi end
@ -1836,41 +1833,7 @@ namespace nlsat {
//#linxi end Variable Ordering Strategy
//#linxi begin symmetry check
void symmetry_check() {
unsigned arith_num = m_is_int.size();
if (arith_num > 10000)
return ;
Symmetry_Checker checker(m_pm, m_qm, m_clauses, m_atoms, m_is_int, arith_num);
for (var x = 0; x < arith_num; ++x) {
for (var y = x + 1; y < arith_num; ++y) {
if (checker.check_symmetry(x, y)) {
TRACE("linxi_symmetry_checker",
tout << "symmetry: " << x << ", " << y << "\n";
);
rational zero(0);
vector<rational> as;
vector<var> xs;
as.push_back(rational(1));
xs.push_back(x);
as.push_back(rational(-1));
xs.push_back(y);
polynomial_ref pr(m_pm);
pr = m_pm.mk_linear(2, as.data(), xs.data(), zero);
poly* p = pr.get();
bool is_even = false;
literal lit = ~mk_ineq_literal(atom::GT, 1, &p, &is_even);
clause *cla = mk_clause(1, &lit, true, nullptr);
}
}
}
TRACE("linxi_symmetry_checker",
display(tout);
);
}
//#linxi end symmetry check
void apply_reorder() {
m_reordered = false;
if (!can_reorder())
@ -1887,13 +1850,6 @@ namespace nlsat {
lbool check() {
//#linxi begin symmetry check
if (m_linxi_symmetry_check) {
symmetry_check();
}
// exit(0);
//#linxi end symmetry check
//#linxi begin simple check
if (m_linxi_simple_check) {
if (!simple_check()) {