void rp_operator_newton::compute_midpoint(rp_box b)
{
for (int i=0; i<_arity; ++i)
{
rp_interval_set_point(rp_box_elem(_midpoint,_v[i]),
rp_interval_midpoint(rp_box_elem(b,_v[i])));
}
}
void rp_splitter_time::apply(rp_box_set& bs, int var) {
rp_interval i1, i2;
rp_box b1 = bs.remove_insert();
this->observe(b1, var);
rp_box b2 = bs.insert(b1);
if (quick_split_vars[&b1] == NULL){
quick_split_vars[&b1] = new std::set<int>();
}
quick_split_vars[&b2] = new std::set<int>(*quick_split_vars[&b1]);
if (is_time_variable(var) && !did_quick_split(&b1, var)){
if (this->real_hole(rp_box_elem(b1, var),
rp_variable_domain(rp_problem_var(*_problem, var)),
i1, i2)){
rp_interval_copy(rp_box_elem(b1, var), i1);
rp_interval_copy(rp_box_elem(b2, var), i2);
} else {
// std::cout << "TIME SPLIT" << std::endl;
rp_interval &vi = rp_box_elem(b1, var);
double split = std::min(rp_binf(vi) + precision, rp_split_point(rp_binf(vi), rp_bsup(vi), 1000, 1));
// Real variable: [a,b] --> [center,b] and [a,center]
rp_binf(rp_box_elem(b1, var)) =
rp_bsup(rp_box_elem(b2, var)) =
split;
quick_split_vars[&b1]->insert(var);
quick_split_vars[&b2]->insert(var);
// rp_interval_midpoint(rp_box_elem(b1,var));
}
} else if (rp_variable_integer(rp_problem_var(*_problem, var))){
if (this->integer_hole(rp_box_elem(b1, var),
rp_variable_domain(rp_problem_var(*_problem, var)),
i1, i2)) {
rp_interval_copy(rp_box_elem(b1, var), i1);
rp_interval_copy(rp_box_elem(b2, var), i2);
} else { // no hole found
// Integer variable: [a,b] --> [a+1,b] and [a,a]
++rp_binf(rp_box_elem(b1, var));
rp_bsup(rp_box_elem(b2, var)) = rp_binf(rp_box_elem(b2, var));
}
} else {
if (this->real_hole(rp_box_elem(b1, var),
rp_variable_domain(rp_problem_var(*_problem, var)),
i1, i2)) {
rp_interval_copy(rp_box_elem(b1, var), i1);
rp_interval_copy(rp_box_elem(b2, var), i2);
} else {
// Real variable: [a,b] --> [center,b] and [a,center]
rp_binf(rp_box_elem(b1, var)) =
rp_bsup(rp_box_elem(b2, var)) =
rp_interval_midpoint(rp_box_elem(b1, var));
}
}
}
int rp_operator_newton::compute_precond()
{
// midpoint of Jacobian matrix
for (int i=0; i<_arity; ++i)
{
for (int j=0; j<_arity; ++j)
{
rp_rmatrix_elem(_midjacobi,i,j) =
rp_interval_midpoint(rp_imatrix_elem(_jacobi,i,j));
}
}
// Inversion of midpoint of Jacobian matrix
if (rp_real_matrix_inverse(_precond,_midjacobi,_identity))
{
rp_matrix_mul_rm_im(_precond_jacobi,_precond,_jacobi);
rp_matrix_mul_rm_iv(_precond_negfmid,_precond,_negfmid);
return( 1 );
}
else
{
return( 0 );
}
}
void rp_splitter_mixed_hybrid::apply(rp_box_set& bs, int var) {
rp_interval i1, i2;
rp_box b1 = bs.remove_insert();
this->observe(b1, var);
rp_box b2 = bs.insert(b1);
rp_box b1_copy;
rp_box_clone(&b1_copy, b1);
rp_box suggestion = m_ode_sim_heuristic->sim(b1_copy, var);
DREAL_LOG_DEBUG << "rp_splitter_mixed_hybrid::apply() "
<< "suggestion = " << var << " [" << rp_binf(rp_box_elem(suggestion, var)) << ", "
<< rp_bsup(rp_box_elem(suggestion, var))
<< "]";
if (rp_variable_integer(rp_problem_var(*_problem, var))) {
if (this->integer_hole(rp_box_elem(b1, var),
rp_variable_domain(rp_problem_var(*_problem, var)),
i1, i2)){
if (rp_interval_included(i1, rp_box_elem(suggestion, var))){
rp_interval_copy(rp_box_elem(b1, var), i1);
rp_interval_copy(rp_box_elem(b2, var), i2);
} else{
rp_interval_copy(rp_box_elem(b1, var), i2);
rp_interval_copy(rp_box_elem(b2, var), i1);
}
} else { // no hole found
++rp_binf(rp_box_elem(b1, var));
if (rp_interval_included(rp_box_elem(b1, var), rp_box_elem(suggestion, var))){
// Integer variable: [a,b] --> [a+1,b] and [a,a]
rp_bsup(rp_box_elem(b2, var)) = rp_binf(rp_box_elem(b2, var));
} else {
--rp_binf(rp_box_elem(b1, var));
++rp_binf(rp_box_elem(b2, var));
rp_bsup(rp_box_elem(b1, var)) = rp_binf(rp_box_elem(b1, var));
}
}
} else {
if (this->real_hole(rp_box_elem(b1, var),
rp_variable_domain(rp_problem_var(*_problem, var)),
i1, i2)) {
if (rp_interval_included(i1, rp_box_elem(suggestion, var))){
rp_interval_copy(rp_box_elem(b1, var), i1);
rp_interval_copy(rp_box_elem(b2, var), i2);
} else {
rp_interval_copy(rp_box_elem(b1, var), i2);
rp_interval_copy(rp_box_elem(b2, var), i1);
}
} else {
// Real variable: [a,b] --> [center,b] and [a,center]
double mid = rp_interval_midpoint(rp_box_elem(b1, var));
rp_binf(rp_box_elem(b1, var)) =
rp_bsup(rp_box_elem(b2, var)) =
mid;
double b1Intersection =
std::min(rp_bsup(rp_box_elem(b1, var)), rp_bsup(rp_box_elem(suggestion, var))) -
std::max(rp_binf(rp_box_elem(b1, var)), rp_binf(rp_box_elem(suggestion, var)));
double b2Intersection =
std::min(rp_bsup(rp_box_elem(b2, var)), rp_bsup(rp_box_elem(suggestion, var))) -
std::max(rp_binf(rp_box_elem(b2, var)), rp_binf(rp_box_elem(suggestion, var)));
if (b2Intersection > b1Intersection
// rp_interval_included(rp_box_elem(suggestion, var), rp_box_elem(b2, var))
){
// okay
DREAL_LOG_DEBUG << "rp_splitter_mixed_hybrid::apply() "
<< "*[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
<< "]* [" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
<< "]";
// cout << "*[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
// << "]* [" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
// << "] \t";
} else if (b2Intersection < b1Intersection){
// rp_interval_included(rp_box_elem(suggestion, var), rp_box_elem(b1, var))){
// reverse
double b2_sup = rp_bsup(rp_box_elem(b1, var));
rp_binf(rp_box_elem(b1, var)) = rp_binf(rp_box_elem(b2, var));
rp_bsup(rp_box_elem(b1, var)) = mid;
rp_binf(rp_box_elem(b2, var)) = mid;
rp_bsup(rp_box_elem(b2, var)) = b2_sup;
DREAL_LOG_DEBUG << "rp_splitter_mixed_hybrid::apply() "
<< "[" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
<< "] *[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
<< "]*";
// cout << "[" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
// << "] *[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
// << "]* \t";
} else {
DREAL_LOG_DEBUG << "rp_splitter_mixed_hybrid::apply() suggestion not found";
DREAL_LOG_DEBUG << "rp_splitter_mixed_hybrid::apply() "
<< "-[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
<< "]- [" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
<< "]";
// cout << "-[" << rp_binf(rp_box_elem(b2, var)) << ", " << rp_bsup(rp_box_elem(b2, var))
// << "]- [" << rp_binf(rp_box_elem(b1, var)) << ", " << rp_bsup(rp_box_elem(b1, var))
// << "] \t";
}
}
}
rp_box_destroy(&b1_copy);
}
