static void get_keys(M const & m, ptr_buffer<char> & keys) {
typename M::iterator it = m.begin();
typename M::iterator end = m.end();
for (; it != end; ++it) {
keys.push_back(const_cast<char*>(it->m_key));
}
}
/**
\brief Traverse args, and copy the non-numeral exprs to result, and accumulate the
value of the numerals in k.
*/
void poly_simplifier_plugin::process_monomial(unsigned num_args, expr * const * args, numeral & k, ptr_buffer<expr> & result) {
rational v;
for (unsigned i = 0; i < num_args; i++) {
expr * arg = args[i];
if (is_numeral(arg, v))
k *= v;
else
result.push_back(arg);
}
}
void sort_fun_decls(ast_manager & m, model_core const & md, ptr_buffer<func_decl> & result) {
func_decl_set visited;
ptr_vector<func_decl> todo;
unsigned sz = md.get_num_functions();
for (unsigned i = 0; i < sz; i++) {
func_decl * f = md.get_function(i);
if (visited.contains(f))
continue;
visited.insert(f);
todo.push_back(f);
while (!todo.empty()) {
func_decl * curr = todo.back();
func_interp * curr_i = md.get_func_interp(curr);
SASSERT(curr_i != 0);
if (!curr_i->is_partial()) {
func_decl_set deps;
bool all_visited = true;
collect_func_decls(m, curr_i->get_else(), deps);
func_decl_set::iterator it2 = deps.begin();
func_decl_set::iterator end2 = deps.end();
for (; it2 != end2; ++it2) {
func_decl * d = *it2;
if (d->get_arity() > 0 && md.has_interpretation(d) && !visited.contains(d)) {
todo.push_back(d);
visited.insert(d);
all_visited = false;
}
}
if (!all_visited)
continue;
}
todo.pop_back();
result.push_back(curr);
}
}
}
