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merge LRA

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-09 10:46:11 -07:00
parent 085d31dca2
commit 911b24784a
120 changed files with 23069 additions and 15 deletions
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src/util/lp/indexed_vector.hpp Normal file
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/*
Copyright (c) 2017 Microsoft Corporation
Author: Lev Nachmanson
*/
#include "util/vector.h"
#include "util/lp/indexed_vector.h"
#include "util/lp/lp_settings.h"
namespace lean {
template <typename T>
void print_vector(const vector<T> & t, std::ostream & out) {
for (unsigned i = 0; i < t.size(); i++)
out << t[i] << " ";
out << std::endl;
}
template <typename T>
void print_vector(const buffer<T> & t, std::ostream & out) {
for (unsigned i = 0; i < t.size(); i++)
out << t[i] << " ";
out << std::endl;
}
template <typename T>
void print_sparse_vector(const vector<T> & t, std::ostream & out) {
for (unsigned i = 0; i < t.size(); i++) {
if (is_zero(t[i]))continue;
out << "[" << i << "] = " << t[i] << ", ";
}
out << std::endl;
}
void print_vector(const vector<mpq> & t, std::ostream & out) {
for (unsigned i = 0; i < t.size(); i++)
out << t[i].get_double() << std::setprecision(3) << " ";
out << std::endl;
}
template <typename T>
void indexed_vector<T>::resize(unsigned data_size) {
clear();
m_data.resize(data_size, numeric_traits<T>::zero());
lean_assert(is_OK());
}
template <typename T>
void indexed_vector<T>::set_value(const T& value, unsigned index) {
m_data[index] = value;
lean_assert(std::find(m_index.begin(), m_index.end(), index) == m_index.end());
m_index.push_back(index);
}
template <typename T>
void indexed_vector<T>::clear() {
for (unsigned i : m_index)
m_data[i] = numeric_traits<T>::zero();
m_index.resize(0);
}
template <typename T>
void indexed_vector<T>::clear_all() {
unsigned i = m_data.size();
while (i--) m_data[i] = numeric_traits<T>::zero();
m_index.resize(0);
}
template <typename T>
void indexed_vector<T>::erase_from_index(unsigned j) {
auto it = std::find(m_index.begin(), m_index.end(), j);
if (it != m_index.end())
m_index.erase(it);
}
#ifdef LEAN_DEBUG
template <typename T>
bool indexed_vector<T>::is_OK() const {
return true;
const double drop_eps = 1e-14;
for (unsigned i = 0; i < m_data.size(); i++) {
if (!is_zero(m_data[i]) && lp_settings::is_eps_small_general(m_data[i], drop_eps)) {
return false;
}
if (lp_settings::is_eps_small_general(m_data[i], drop_eps) != (std::find(m_index.begin(), m_index.end(), i) == m_index.end())) {
return false;
}
}
std::unordered_set<unsigned> s;
for (unsigned i : m_index) {
//no duplicates!!!
if (s.find(i) != s.end())
return false;
s.insert(i);
if (i >= m_data.size())
return false;
}
return true;
}
template <typename T>
void indexed_vector<T>::print(std::ostream & out) {
out << "m_index " << std::endl;
for (unsigned i = 0; i < m_index.size(); i++) {
out << m_index[i] << " ";
}
out << std::endl;
print_vector(m_data, out);
}
#endif
}