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Add get_sort(expr * n) function that does not depend on ast_manager. Move power_of_two to rational class. Add arith_recognizers and bv_recognizers classes. The two new classes contain the 'read-only' methods from arith_util and bv_util.

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-18 14:44:51 -08:00
parent 4f0d5a5756
commit cec328cfdc
17 changed files with 314 additions and 282 deletions
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26
src/util/rational.cpp
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@ -27,6 +27,31 @@ synch_mpq_manager * rational::g_mpq_manager = 0;
rational rational::m_zero(0);
rational rational::m_one(1);
rational rational::m_minus_one(-1);
vector<rational> rational::m_powers_of_two;
void mk_power_up_to(vector<rational> & pws, unsigned n) {
if (pws.empty()) {
pws.push_back(rational(1));
}
unsigned sz = pws.size();
rational curr = pws[sz - 1];
rational two(2);
for (unsigned i = sz; i <= n; i++) {
curr *= two;
pws.push_back(curr);
}
}
rational rational::power_of_two(unsigned k) {
rational result;
#pragma omp critical (powers_of_two)
{
if (k >= m_powers_of_two.size())
mk_power_up_to(m_powers_of_two, k+1);
result = m_powers_of_two[k];
}
return result;
}
void rational::initialize() {
if (!g_mpq_manager) {
@ -35,6 +60,7 @@ void rational::initialize() {
}
void rational::finalize() {
m_powers_of_two.finalize();
dealloc(g_mpq_manager);
g_mpq_manager = 0;
}

7
src/util/rational.h
View file

@ -26,14 +26,13 @@ class rational {
static rational m_zero;
static rational m_one;
static rational m_minus_one;
static vector<rational> m_powers_of_two;
static synch_mpq_manager * g_mpq_manager;
static synch_mpq_manager & m() { return *g_mpq_manager; }
public:
static void initialize();
static void finalize();
/*
ADD_INITIALIZER('rational::initialize();')
@ -272,6 +271,8 @@ public:
return result;
}
static rational power_of_two(unsigned k);
bool is_power_of_two(unsigned & shift) {
return m().is_power_of_two(m_val, shift);
}