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work on horner's heuristic

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-06-29 11:41:48 -07:00
parent 8670e09269
commit 1a7a537834
7 changed files with 183 additions and 46 deletions
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10
src/math/lp/horner.h
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@ -20,6 +20,8 @@
#pragma once
#include "math/lp/nla_common.h"
#include "math/lp/nla_intervals.h"
#include "math/lp/nla_expr.h"
namespace nla {
class core;
@ -33,6 +35,12 @@ public:
void lemma_on_row(const T&);
template <typename T>
bool row_is_interesting(const T&) const;
private:
template <typename T> nla_expr<rational> create_expr_from_row(const T&);
intervals::interval interval_of_expr(const nla_expr<rational>& e);
void check_interval_for_conflict(const intervals::interval&);
nla_expr<rational> nexvar(lpvar j) const;
nla_expr<rational> cross_nested_of_sum(const nla_expr<rational>&) const;
void get_occurences_map(const nla_expr<rational>& e, std::unordered_map<unsigned, lpvar>& ) const;
}; // end of horner
}