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start porting grobner basis functionality

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-04 18:33:54 -07:00
parent bfcfc517fe
commit 06dbc623c7
8 changed files with 170 additions and 7 deletions
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21
src/math/lp/nla_core.h
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@ -93,14 +93,31 @@ public:
private:
emonomials m_emons;
svector<lpvar> m_add_buffer;
mutable lp::int_set m_row_var_set;
public:
reslimit m_reslim;
reslimit m_reslim;
const lp::int_set& row_var_set () const { return m_row_var_set;}
bool row_var_set_contains(unsigned j) const { return m_row_var_set.contains(j); }
void insert_to_row_var_set(unsigned j) const { m_row_var_set.insert(j); }
void clear_row_var_set() const {
m_row_var_set.clear();
}
void prepare_row_var_set() const {
m_row_var_set.clear();
m_row_var_set.resize(m_lar_solver.number_of_vars());
}
reslimit & reslim() { return m_reslim; }
emonomials& emons() { return m_emons; }
const emonomials& emons() const { return m_emons; }
// constructor
core(lp::lar_solver& s, reslimit &);
bool compare_holds(const rational& ls, llc cmp, const rational& rs) const;
rational value(const lp::lar_term& r) const;