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cache some fields in horner scheme and limit the number of reported cross nested forms

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-08-22 11:06:55 -07:00
parent 03a0ead668
commit ee48ed733a
3 changed files with 27 additions and 26 deletions
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9
src/math/lp/horner.h
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@ -23,13 +23,16 @@
#include "math/lp/nla_intervals.h"
#include "math/lp/nex.h"
#include "math/lp/cross_nested.h"
#include "math/lp/int_set.h"
namespace nla {
class core;
class horner : common {
intervals m_intervals;
intervals m_intervals;
nex_sum m_row_sum;
mutable lp::int_set m_row_var_set;
public:
typedef intervals::interval interv;
horner(core *core);
@ -38,7 +41,7 @@ public:
bool lemmas_on_row(const T&);
template <typename T> bool row_is_interesting(const T&) const;
template <typename T>
nex_sum* create_sum_from_row(const T&, cross_nested&);
void create_sum_from_row(const T&, cross_nested&);
intervals::interval interval_of_expr(const nex* e);
nex* nexvar(lpvar j, cross_nested& cn) const;
@ -48,7 +51,7 @@ public:
intervals::interval interval_of_mul(const nex_mul*);
void set_interval_for_scalar(intervals::interval&, const rational&);
void set_var_interval(lpvar j, intervals::interval&) const;
bool lemmas_on_expr(nex_sum* , cross_nested&);
bool lemmas_on_expr(cross_nested&);
template <typename T> // T has an iterator of (coeff(), var())
bool row_has_monomial_to_refine(const T&) const;