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enable always add all coeffs in nlsat

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-10-24 17:47:16 -07:00 • committed by Nikolaj Bjorner
parent bb005a9ccf
commit bfd896cd35
4 changed files with 11 additions and 2 deletions
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9
src/nlsat/nlsat_explain.cpp
View file

@ -44,6 +44,7 @@ namespace nlsat {
bool m_full_dimensional;
bool m_minimize_cores;
bool m_factor;
bool m_add_all_coeffs;
bool m_signed_project;
bool m_cell_sample;
@ -154,6 +155,7 @@ namespace nlsat {
m_simplify_cores = false;
m_full_dimensional = false;
m_minimize_cores = false;
m_add_all_coeffs = true;
m_signed_project = false;
}
@ -622,6 +624,8 @@ namespace nlsat {
//"An improved projection operation for cylindrical algebraic decomposition of three-dimensional space", by McCallum, Scott
bool is_square_free(polynomial_ref_vector &ps, var x) {
if (m_add_all_coeffs)
return false;
polynomial_ref p(m_pm);
polynomial_ref lc_poly(m_pm);
polynomial_ref disc_poly(m_pm);
@ -2135,6 +2139,10 @@ namespace nlsat {
m_imp->m_factor = f;
}
void explain::set_add_all_coeffs(bool f) {
m_imp->m_add_all_coeffs = f;
}
void explain::set_signed_project(bool f) {
m_imp->m_signed_project = f;
}
@ -2185,4 +2193,3 @@ void pp_lit(nlsat::explain::imp & ex, nlsat::literal l) {
std::cout << std::endl;
}
#endif

2
src/nlsat/nlsat_explain.h
View file

@ -44,6 +44,7 @@ namespace nlsat {
void set_full_dimensional(bool f);
void set_minimize_cores(bool f);
void set_factor(bool f);
void set_add_all_coeffs(bool f);
void set_signed_project(bool f);
/**
@ -109,4 +110,3 @@ namespace nlsat {
};
};

1
src/nlsat/nlsat_params.pyg
View file

@ -19,5 +19,6 @@ def_module_params('nlsat',
('inline_vars', BOOL, False, "inline variables that can be isolated from equations (not supported in incremental mode)"),
('seed', UINT, 0, "random seed."),
('factor', BOOL, True, "factor polynomials produced during conflict resolution."),
('add_all_coeffs', BOOL, False, "add all polynomial coefficients during projection."),
('known_sat_assignment_file_name', STRING, "", "the file name of a known solution: used for debugging only")
))

1
src/nlsat/nlsat_solver.cpp
View file

@ -306,6 +306,7 @@ namespace nlsat {
m_explain.set_simplify_cores(m_simplify_cores);
m_explain.set_minimize_cores(min_cores);
m_explain.set_factor(p.factor());
m_explain.set_add_all_coeffs(p.add_all_coeffs());
m_am.updt_params(p.p);
}