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fixes in horner's heuristic

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-08-07 11:40:39 -07:00
parent 207c1c509f
commit 1b8b09cddb
6 changed files with 145 additions and 69 deletions
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10
src/math/lp/lar_solver.h
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@ -57,8 +57,8 @@ class lar_solver : public column_namer {
size_t seed = 0;
int i = 0;
for (const auto& p : t.coeffs()) {
hash_combine(seed, p.m_key);
hash_combine(seed, p.m_value);
hash_combine(seed, p.first);
hash_combine(seed, p.second);
if (i++ > 10)
break;
}
@ -106,7 +106,9 @@ public:
vector<lar_term*> m_terms;
indexed_vector<mpq> m_column_buffer;
bool m_need_register_terms;
std::unordered_map<lar_term, unsigned, term_hasher, term_comparer> m_normalized_terms_to_columns; // end of fields
std::unordered_map<lar_term, std::pair<mpq, unsigned>, term_hasher, term_comparer>
m_normalized_terms_to_columns;
// end of fields
unsigned terms_start_index() const { return m_terms_start_index; }
const vector<lar_term*> & terms() const { return m_terms; }
@ -646,6 +648,6 @@ public:
void register_existing_terms();
void register_normalized_term(const lar_term&, lpvar);
void deregister_normalized_term(const lar_term&);
lpvar fetch_normalized_term_column(const lar_term& t) const;
bool fetch_normalized_term_column(const lar_term& t, std::pair<mpq, lpvar>& ) const;
};
}