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use the cache consistently

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-12-13 05:59:11 -10:00
parent 3e29045b68
commit c199751db8
2 changed files with 255 additions and 229 deletions
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53
src/test/nlsat.cpp
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@ -20,6 +20,7 @@ Notes:
#include "nlsat/nlsat_interval_set.h"
#include "nlsat/nlsat_evaluator.h"
#include "nlsat/nlsat_solver.h"
#include "nlsat/levelwise.h"
#include "util/util.h"
#include "nlsat/nlsat_explain.h"
#include "math/polynomial/polynomial_cache.h"
@ -959,11 +960,61 @@ x7 := 1
}
static void tst_nullified_polynomial() {
params_ref ps;
reslimit rlim;
nlsat::solver s(rlim, ps, false);
nlsat::pmanager & pm = s.pm();
anum_manager & am = s.am();
polynomial::cache cache(pm);
nlsat::var x0 = s.mk_var(false);
nlsat::var x1 = s.mk_var(false);
nlsat::var x2 = s.mk_var(false);
nlsat::var x3 = s.mk_var(false);
ENSURE(x0 < x1 && x1 < x2);
polynomial_ref _x0(pm), _x1(pm), _x2(pm), _x3(pm);
_x0 = pm.mk_polynomial(x0);
_x1 = pm.mk_polynomial(x1);
_x2 = pm.mk_polynomial(x2);
_x3 = pm.mk_polynomial(x3);
polynomial_ref p1(pm), p2(pm);
p1 = _x2 * _x1;
p2 = _x0;
p1 = p1 + p2;
p2 = _x3;
polynomial_ref_vector polys(pm);
polys.push_back(p1);
polys.push_back(p2);
nlsat::assignment as(am);
scoped_anum zero(am);
am.set(zero, 0);
as.set(x0, zero);
as.set(x1, zero);
as.set(x2, zero);
as.set(x3, zero);
s.set_rvalues(as);
unsigned max_x = 0;
for (unsigned i = 0; i < polys.size(); ++i) {
unsigned lvl = pm.max_var(polys.get(i));
if (lvl > max_x)
max_x = lvl;
}
ENSURE(max_x == x3);
nlsat::levelwise lws(s, polys, max_x, s.sample(), pm, am, cache);
auto cell = lws.single_cell();
ENSURE(lws.failed());
}
void tst_nlsat() {
tst_nullified_polynomial();
std::cout << "------------------\n";
tst11();
std::cout << "------------------\n";
return;
tst10();
std::cout << "------------------\n";
tst9();