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merging with the lp fork

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2017-05-10 16:53:25 -07:00
parent cf695ab876
commit b08f094620
44 changed files with 902 additions and 319 deletions
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9
src/util/lp/random_updater.h
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@ -16,12 +16,15 @@ namespace lean {
template <typename T> struct numeric_pair; // forward definition
class lar_core_solver; // forward definition
class random_updater {
unsigned range = 100000;
unsigned range ;
struct interval {
bool upper_bound_is_set = false;
bool upper_bound_is_set;
numeric_pair<mpq> upper_bound;
bool low_bound_is_set = false;
bool low_bound_is_set;
numeric_pair<mpq> low_bound;
interval() : upper_bound_is_set(false),
low_bound_is_set(false) {}
void set_low_bound(const numeric_pair<mpq> & v) {
if (low_bound_is_set) {
low_bound = std::max(v, low_bound);