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perf in equiv_monomials

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-01-25 11:37:48 -08:00
parent 5104ec881a
commit 1230b46008
3 changed files with 15 additions and 13 deletions
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15
src/util/lp/equiv_monomials.h
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@ -20,12 +20,12 @@
namespace nla {
struct const_iterator_equiv_mon {
// fields
vector<const unsigned_vector*> m_same_abs_vals;
const vector<const unsigned_vector*>& m_same_abs_vals;
vector<unsigned_vector::const_iterator> m_its;
bool m_done;
std::function<unsigned (const unsigned_vector&)> m_find_monomial;
// constructor for begin()
const_iterator_equiv_mon(vector<const unsigned_vector*> abs_vals,
const_iterator_equiv_mon(const vector<const unsigned_vector*>& abs_vals,
std::function<unsigned (const unsigned_vector&)> find_monomial)
: m_same_abs_vals(abs_vals),
m_done(false),
@ -35,7 +35,7 @@ struct const_iterator_equiv_mon {
}
}
// constructor for end()
const_iterator_equiv_mon() : m_done(true) {}
const_iterator_equiv_mon(const vector<const unsigned_vector*>& abs_vals) : m_same_abs_vals(abs_vals), m_done(true) {}
//typedefs
typedef const_iterator_equiv_mon self_type;
@ -87,12 +87,15 @@ struct equiv_monomials {
const monomial & m_mon;
std::function<const unsigned_vector*(lpvar)> m_abs_eq_vars;
std::function<unsigned (const unsigned_vector&)> m_find_monomial;
vector<const unsigned_vector*> m_vars_eqs;
equiv_monomials(const monomial & m,
std::function<const unsigned_vector*(lpvar)> abs_eq_vars,
std::function<unsigned (const unsigned_vector&)> find_monomial) :
m_mon(m),
m_abs_eq_vars(abs_eq_vars),
m_find_monomial(find_monomial) {}
m_find_monomial(find_monomial),
m_vars_eqs(vars_eqs())
{}
vector<const unsigned_vector*> vars_eqs() const {
vector<const unsigned_vector*> r;
@ -102,10 +105,10 @@ struct equiv_monomials {
return r;
}
const_iterator_equiv_mon begin() const {
return const_iterator_equiv_mon(vars_eqs(), m_find_monomial);
return const_iterator_equiv_mon(m_vars_eqs, m_find_monomial);
}
const_iterator_equiv_mon end() const {
return const_iterator_equiv_mon();
return const_iterator_equiv_mon(m_vars_eqs);
}
};
} // end of namespace nla