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Arith min max (#6864)

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* prepare for dependencies

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* snapshot

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* build

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* pass in u_dependency_manager

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* address NYIs

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring names

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* eq_explanation update

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add outline of bounds improvement functionality

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix unit tests

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove unused structs

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* convert more internals to use u_dependency instead of constraint_index

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* convert more internals to use u_dependency instead of constraint_index

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remember to push/pop scopes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* use the main function for updating bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove reset of shared dep manager

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* disable improve-bounds, add statistics

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-08-19 17:44:09 -07:00 • committed by GitHub
parent c3b344ec47
commit 5e3df9ee77
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40 changed files with 630 additions and 529 deletions
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17
src/math/interval/dep_intervals.h
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@ -27,6 +27,7 @@
#include "math/interval/interval.h"
class dep_intervals {
public:
enum with_deps_t { with_deps, without_deps };
@ -142,8 +143,9 @@ private:
public:
typedef interval_manager<im_config>::interval interval;
u_dependency_manager& m_dep_manager;
mutable unsynch_mpq_manager m_num_manager;
mutable u_dependency_manager m_dep_manager;
im_config m_config;
mutable interval_manager<im_config> m_imanager;
@ -158,9 +160,10 @@ public:
public:
u_dependency_manager& dep_manager() { return m_dep_manager; }
dep_intervals(reslimit& lim) :
m_config(m_num_manager, m_dep_manager),
m_imanager(lim, im_config(m_num_manager, m_dep_manager))
dep_intervals(u_dependency_manager& dm, reslimit& lim) :
m_dep_manager(dm),
m_config(m_num_manager, dm),
m_imanager(lim, im_config(m_num_manager, dm))
{}
std::ostream& display(std::ostream& out, const interval& i) const;
@ -335,15 +338,17 @@ public:
bool is_empty(interval const& a) const;
void set_interval_for_scalar(interval&, const rational&);
template <typename T>
void linearize(u_dependency* dep, T& expl) const {
vector<unsigned, false> v;
m_dep_manager.linearize(dep, v);
for (unsigned ci: v)
for (auto ci: v)
expl.push_back(ci);
}
void reset() { m_dep_manager.reset(); }
void reset() { }
void del(interval& i) { m_imanager.del(i); }