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merge with master

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-02-14 10:55:21 -08:00
parent cf86e6ef73
commit 762f265616
3 changed files with 23 additions and 8 deletions
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3
src/math/lp/lar_solver.h
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@ -47,6 +47,7 @@ namespace lp {
typedef unsigned lpvar;
const lpvar null_lpvar = UINT_MAX;
const constraint_index null_ci = UINT_MAX;
class lar_solver : public column_namer {
struct term_hasher {
@ -536,6 +537,8 @@ public:
return m_mpq_lar_core_solver.column_is_bounded(j);
}
std::pair<constraint_index, constraint_index> add_equality(lpvar j, lpvar k);
void get_bound_constraint_witnesses_for_column(unsigned j, constraint_index & lc, constraint_index & uc) const {
const ul_pair & ul = m_columns_to_ul_pairs[j];
lc = ul.lower_bound_witness();