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follow the smalles branch

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

correction in the sign of gomory_cut

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

fix in the gomory cut sign

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

try using lemmas of cut_solver as cuts

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

add find_cube() proposed by Nikolaj

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

restore m_int_branch_cut_solver to 8

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

accept empty lar_terms in theory_lra and also do not create empty lar_terms/lemmas

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

qflia_tactic

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

call find_feasible solution to recover for a failure in find_cube

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

do not tighten unused terms

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

get rid of inf_int_set

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

fix a bug with an accidental solution in cube

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

get rid of inf_int_set

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

bug fix with has_int_var() for lar_solver

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

fix in find_inf_int_base_column

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2018-03-22 20:35:13 -07:00
parent 2bb94ed4fe
commit 7e82ab595e
13 changed files with 314 additions and 182 deletions
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9
src/util/lp/polynomial.h
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@ -101,6 +101,15 @@ struct polynomial {
const mpq & a = coeff(j);
return a == 1 || a == -1;
}
template <typename c> // c plays a role of a map from indices to impq
mpq value(const c& v) const {
mpq r = m_a;
for (auto & p : m_coeffs)
r += v[p.var()].x * p.coeff();
return r;
}
const vector<monomial> & coeffs() const { return m_coeffs; }
};
}