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use value function in lar_solver (#4771)

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* use value function in lar_solver

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

* add missing return

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

* check_feasible is called after column is added for fixed variable

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

* na
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Nikolaj Bjorner 2020-11-03 01:08:24 -08:00 • committed by GitHub
parent 5335097768
commit 620204bbb4
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7 changed files with 41 additions and 110 deletions
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src/sat/smt/arith_solver.cpp
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@ -798,9 +798,7 @@ namespace arith {
}
rational solver::get_value(theory_var v) const {
if (v == euf::null_theory_var || !lp().external_is_used(v))
return rational::zero();
return m_solver->get_value(get_tv(v));
return is_registered_var(v) ? m_solver->get_value(get_tv(v)) : rational::zero();
}
void solver::random_update() {