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remove unused functionality

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-31 16:25:25 -08:00
parent 6b4ddf352d
commit 09dbacdf50
3 changed files with 13 additions and 32 deletions
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30
src/math/grobner/pdd_solver.cpp
View file

@ -127,7 +127,7 @@ namespace dd {
void solver::saturate() {
simplify();
tuned_init();
init_saturate();
TRACE("dd.solver", display(tout););
try {
while (!done() && step()) {
@ -144,11 +144,6 @@ namespace dd {
}
}
bool solver::step() {
m_stats.m_compute_steps++;
return tuned_step();
}
void solver::scoped_process::done() {
pdd p = e->poly();
SASSERT(!p.is_val());
@ -167,19 +162,7 @@ namespace dd {
SASSERT(!p.is_val());
g.push_equation(processed, e);
}
}
solver::equation* solver::pick_next() {
equation* eq = nullptr;
for (auto* curr : m_to_simplify) {
if (!eq || is_simpler(*curr, *eq)) {
eq = curr;
}
}
if (eq) pop_equation(eq);
return eq;
}
}
void solver::simplify() {
try {
@ -639,8 +622,9 @@ namespace dd {
}
}
bool solver::tuned_step() {
equation* e = tuned_pick_next();
bool solver::step() {
m_stats.m_compute_steps++;
equation* e = pick_next();
if (!e) return false;
scoped_process sd(*this, e);
equation& eq = *e;
@ -660,7 +644,7 @@ namespace dd {
return true;
}
void solver::tuned_init() {
void solver::init_saturate() {
unsigned_vector const& l2v = m.get_level2var();
m_level2var.resize(l2v.size());
m_var2level.resize(l2v.size());
@ -714,7 +698,7 @@ namespace dd {
watch.shrink(j);
}
solver::equation* solver::tuned_pick_next() {
solver::equation* solver::pick_next() {
while (m_levelp1 > 0) {
unsigned v = m_level2var[m_levelp1-1];
equation_vector const& watch = m_watch[v];

5
src/math/grobner/pdd_solver.h
View file

@ -142,15 +142,12 @@ private:
bool is_too_complex(const equation& eq) const { return is_too_complex(eq.poly()); }
bool is_too_complex(const pdd& p) const { return p.tree_size() > m_config.m_expr_size_limit; }
// tuned implementation
vector<equation_vector> m_watch; // watch list mapping variables to vector of equations where they occur (generally a subset)
unsigned m_levelp1; // index into level+1
unsigned_vector m_level2var; // level -> var
unsigned_vector m_var2level; // var -> level
bool tuned_step();
void tuned_init();
equation* tuned_pick_next();
void init_saturate();
void simplify_watch(equation const& eq);
void add_to_watch(equation& eq);