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Polysat: disjunctive lemmas (#5311)

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* Add macro to disable linear solver for development

* Move new_* and add_* to header

* Add ref_vector_core::push_back(ref<T>&&)

* Attempt to simplify lifetime handling

* Make operator bool() explicit

* clause improvements

* display boolean assignment

* clause::resolve

* bug fixes

* more fixes

* final case of backtrack
This commit is contained in:
Jakob Rath 2021-05-28 22:53:08 +02:00 • committed by GitHub
parent 5fd3ef6580
commit 8757f04d20
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 524 additions and 294 deletions
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13
src/math/polysat/boolean.cpp
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@ -63,6 +63,7 @@ namespace polysat {
}
void bool_var_manager::reset_marks() {
LOG_V("-------------------------- (reset boolean marks)");
m_marks.reserve(size());
m_clock++;
if (m_clock != 0)
@ -72,7 +73,19 @@ namespace polysat {
}
void bool_var_manager::set_mark(sat::bool_var var) {
LOG_V("Marking: b" << var);
SASSERT(var != sat::null_bool_var);
m_marks[var] = m_clock;
}
std::ostream& bool_var_manager::display(std::ostream& out) const {
for (sat::bool_var v = 0; v < size(); ++v) {
sat::literal lit{v};
if (value(lit) == l_true)
out << " " << lit;
if (value(lit) == l_false)
out << " " << ~lit;
}
return out;
}
}