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add API for setting variable activity

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-15 12:05:24 -08:00
parent e4c6dcd84c
commit 89bf2d4368
22 changed files with 125 additions and 1 deletions
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11
src/smt/smt_kernel.cpp
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@ -154,6 +154,13 @@ namespace smt {
expr_ref_vector get_trail() {
return m_kernel.get_trail();
}
void set_activity(expr* lit, double act) {
auto v = m_kernel.get_bool_var(lit);
double old_act = m_kernel.get_activity(v);
m_kernel.set_activity(v, act);
m_kernel.activity_changed(v, act > old_act);
}
failure last_failure() const {
return m_kernel.get_last_search_failure();
@ -412,5 +419,9 @@ namespace smt {
return m_imp->get_trail();
}
void kernel::set_activity(expr* lit, double activity) {
m_imp->set_activity(lit, activity);
}
};