/*
  Copyright (c) 2017 Microsoft Corporation
  Author: Nikolaj Bjorner
*/
#include "util/lp/lp_settings.h"
#include "util/vector.h"
#include "util/lp/lar_solver.h"
namespace nra {
class mon_eq {
    // fields
    lp::var_index          m_v;
    svector<lp::var_index> m_vs;
public:
    // constructors
    mon_eq(lp::var_index v, unsigned sz, lp::var_index const* vs):
        m_v(v), m_vs(sz, vs) {}
    mon_eq(lp::var_index v, const svector<lp::var_index> &vs):
        m_v(v), m_vs(vs) {}
    mon_eq() {}
    unsigned var() const { return m_v; }
    unsigned size() const { return m_vs.size(); }
    svector<lp::var_index>::const_iterator begin() const { return m_vs.begin(); }
    svector<lp::var_index>::const_iterator end() const { return m_vs.end(); }
    const svector<lp::var_index> vars() const { return m_vs; }
};

typedef std::unordered_map<lp::var_index, rational> variable_map_type;

bool check_assignment(mon_eq const& m, variable_map_type & vars);

bool check_assignments(const vector<mon_eq> & monomimials,
                       const lp::lar_solver& s,
                       variable_map_type & vars);

}