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toward fetching existing terms intervals from lar_solver

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-08-05 17:28:39 -07:00
parent dfe0e85629
commit c95f66e02a
6 changed files with 80 additions and 26 deletions
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6
src/math/lp/horner.h
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@ -46,13 +46,13 @@ public:
intervals::interval interval_of_sum_no_terms(const nex&);
intervals::interval interval_of_mul(const nex&);
void set_interval_for_scalar(intervals::interval&, const rational&);
void set_var_interval(lpvar j, intervals::interval&);
void set_var_interval(lpvar j, intervals::interval&) const;
bool lemmas_on_expr(nex &);
template <typename T> // T has an iterator of (coeff(), var())
bool row_has_monomial_to_refine(const T&) const;
bool find_term_expr(const nex& e, rational& a, const lp::lar_term * & t, rational& b) const;
static lp::lar_term expression_to_canonical_form(nex&, rational& a, rational & b);
lpvar find_term_column(const nex& e, rational& a, rational& b) const;
static lp::lar_term expression_to_normalized_term(nex&, rational& a, rational & b);
static void add_linear_to_vector(const nex&, vector<std::pair<rational, lpvar>> &);
static void add_mul_to_vector(const nex&, vector<std::pair<rational, lpvar>> &);
bool is_tighter(const interv&, const interv&) const;