mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-09-05 09:37:44 +00:00
Code Activity

na

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-07-14 15:38:56 -07:00
parent 8357ac1cfc
commit 586343ce64
24 changed files with 708 additions and 513 deletions
Download patch file Download diff file Expand all files Collapse all files

94
src/ast/sls/sls_arith_plugin.cpp
View file

@ -21,21 +21,9 @@ Author:
namespace sls {
void arith_plugin::init_bool_var(sat::bool_var v) {
if (!m_arith) {
try {
m_arith64->init_bool_var(v);
return;
}
catch (overflow_exception&) {
m_arith = alloc(arith_base<rational>, ctx);
for (auto e : m_shared)
m_arith->set_shared(e);
return; // initialization happens on check-sat calls
}
}
m_arith->init_bool_var(v);
void arith_plugin::init_backup() {
m_arith = alloc(arith_base<rational>, ctx);
m_arith->initialize();
}
void arith_plugin::register_term(expr* e) {
@ -45,9 +33,7 @@ namespace sls {
return;
}
catch (overflow_exception&) {
m_arith = alloc(arith_base<rational>, ctx);
for (auto e : m_shared)
m_arith->set_shared(e);
init_backup();
}
}
m_arith->register_term(e);
@ -59,32 +45,49 @@ namespace sls {
return m_arith64->get_value(e);
}
catch (overflow_exception&) {
m_arith = alloc(arith_base<rational>, ctx);
for (auto e : m_shared)
m_arith->set_shared(e);
init_backup();
}
}
return m_arith->get_value(e);
}
lbool arith_plugin::check() {
void arith_plugin::initialize() {
if (m_arith)
m_arith->initialize();
else
m_arith64->initialize();
}
void arith_plugin::propagate_literal(sat::literal lit) {
if (!m_arith) {
try {
return m_arith64->check();
m_arith64->propagate_literal(lit);
return;
}
catch (overflow_exception&) {
m_arith = alloc(arith_base<rational>, ctx);
for (auto e : m_shared)
m_arith->set_shared(e);
init_backup();
}
}
return m_arith->check();
}
m_arith->propagate_literal(lit);
}
bool arith_plugin::propagate() {
if (!m_arith) {
try {
return m_arith64->propagate();
}
catch (overflow_exception&) {
init_backup();
}
}
return m_arith->propagate();
}
bool arith_plugin::is_sat() {
if (!m_arith)
if (m_arith)
return m_arith->is_sat();
else
return m_arith64->is_sat();
return m_arith->is_sat();
}
void arith_plugin::on_rescale() {
@ -115,19 +118,30 @@ namespace sls {
m_arith64->mk_model(mdl);
}
void arith_plugin::set_shared(expr* e) {
void arith_plugin::repair_down(app* e) {
if (m_arith)
m_arith->repair_down(e);
else
m_arith64->repair_down(e);
}
void arith_plugin::repair_up(app* e) {
if (m_arith)
m_arith->set_shared(e);
else {
m_arith64->set_shared(e);
m_shared.push_back(e);
}
m_arith->repair_up(e);
else
m_arith64->repair_up(e);
}
void arith_plugin::set_value(expr* e, expr* v) {
if (m_arith)
m_arith->set_value(e, v);
else
m_arith->set_value(e, v);
if (!m_arith) {
try {
m_arith64->set_value(e, v);
return;
}
catch (overflow_exception&) {
init_backup();
}
}
m_arith->set_value(e, v);
}
}