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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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10
src/math/lp/monomial_bounds.cpp
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@ -149,22 +149,22 @@ namespace nla {
}
void monomial_bounds::var2interval(lpvar v, scoped_dep_interval& i) {
lp::constraint_index ci;
u_dependency* d = nullptr;
rational bound;
bool is_strict;
if (c().has_lower_bound(v, ci, bound, is_strict)) {
if (c().has_lower_bound(v, d, bound, is_strict)) {
dep.set_lower_is_open(i, is_strict);
dep.set_lower(i, bound);
dep.set_lower_dep(i, dep.mk_leaf(ci));
dep.set_lower_dep(i, d);
dep.set_lower_is_inf(i, false);
}
else {
dep.set_lower_is_inf(i, true);
}
if (c().has_upper_bound(v, ci, bound, is_strict)) {
if (c().has_upper_bound(v, d, bound, is_strict)) {
dep.set_upper_is_open(i, is_strict);
dep.set_upper(i, bound);
dep.set_upper_dep(i, dep.mk_leaf(ci));
dep.set_upper_dep(i, d);
dep.set_upper_is_inf(i, false);
}
else {