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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-12 18:08:26 -07:00
parent fbfcc6796a
commit e5632736d2
3 changed files with 7 additions and 7 deletions
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8
src/math/lp/lar_solver.cpp
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@ -1732,7 +1732,7 @@ void lar_solver::remove_non_fixed_from_fixed_var_table() {
vector<value_sort_pair> to_remove;
for (const auto& p : m_fixed_var_table) {
unsigned j = p.m_value;
if (j >= column_count() || column_is_fixed(j) == false)
if (j >= column_count() || !column_is_fixed(j))
to_remove.push_back(p.m_key);
}
for (const auto & p : to_remove)
@ -1748,7 +1748,7 @@ void lar_solver::register_in_fixed_var_table(unsigned j, unsigned & equal_to_j)
value_sort_pair key(bound.x, column_is_int(j));
unsigned k;
if (m_fixed_var_table.find(key, k) == false ) {
if (!m_fixed_var_table.find(key, k)) {
m_fixed_var_table.insert(key, j);
return;
}
@ -2189,7 +2189,7 @@ bool lar_solver::tighten_term_bounds_by_delta(tv const& t, const impq& delta) {
SASSERT(t.is_term());
unsigned tj = t.index();
unsigned j;
if (m_var_register.external_is_used(tj, j) == false)
if (!m_var_register.external_is_used(tj, j))
return true; // the term is not a column so it has no bounds
auto & slv = m_mpq_lar_core_solver.m_r_solver;
TRACE("cube", tout << "delta = " << delta << std::endl;
@ -2279,7 +2279,7 @@ bool lar_solver::get_equality_and_right_side_for_term_on_current_x(tv const& t,
lp_assert(t.is_term())
unsigned j;
bool is_int;
if (m_var_register.external_is_used(t.index(), j, is_int) == false)
if (!m_var_register.external_is_used(t.index(), j, is_int))
return false; // the term does not have a bound because it does not correspond to a column
if (!is_int) // todo - allow for the next version of hnf
return false;