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expose comparisons with polynomials, incremental way to extract variables

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This commit is contained in:
Nikolaj Bjorner 2024-04-30 16:59:50 -07:00
parent bc577b93ae
commit 39dc8861ee
2 changed files with 94 additions and 14 deletions
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19
src/math/polynomial/polynomial.h
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@ -921,6 +921,13 @@ namespace polynomial {
*/
bool is_nonneg(polynomial const * p);
/**
\brief Return true if p is always greater or equal to q.
This is an incomplete check
*/
bool ge(polynomial const* p, polynomial const* q);
/**
\brief Make sure the monomials in p are sorted using lexicographical order.
Remark: the maximal monomial is at position 0.
@ -931,6 +938,9 @@ namespace polynomial {
\brief Collect variables that occur in p into xs
*/
void vars(polynomial const * p, var_vector & xs);
void vars_incremental(polynomial const * p, var_vector & xs);
void begin_vars_incremental();
void end_vars_incremental(var_vector & xs);
/**
\brief Evaluate polynomial p using the assignment [x_1 -> v_1, ..., x_n -> v_n].
@ -1019,15 +1029,14 @@ namespace polynomial {
*/
void exact_pseudo_division_mod_d(polynomial const * p, polynomial const * q, var x, var2degree const & x2d, polynomial_ref & Q, polynomial_ref & R);
void display(std::ostream & out, monomial const * m, display_var_proc const & proc = display_var_proc(), bool use_star = true) const;
std::ostream& display(std::ostream & out, monomial const * m, display_var_proc const & proc = display_var_proc(), bool use_star = true) const;
void display(std::ostream & out, polynomial const * p, display_var_proc const & proc = display_var_proc(), bool use_star = false) const;
std::ostream& display(std::ostream & out, polynomial const * p, display_var_proc const & proc = display_var_proc(), bool use_star = false) const;
void display_smt2(std::ostream & out, polynomial const * p, display_var_proc const & proc = display_var_proc()) const;
std::ostream& display_smt2(std::ostream & out, polynomial const * p, display_var_proc const & proc = display_var_proc()) const;
friend std::ostream & operator<<(std::ostream & out, polynomial_ref const & p) {
p.m().display(out, p);
return out;
return p.m().display(out, p);
}
};