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reshaffle the template definitions from nla_interval.h to nla_interval.cpp
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson
parent
b6c28764f8
commit
519bbc5af1
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@ -30,6 +30,8 @@
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#include "math/lp/nex.h"
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#include "math/lp/horner.h"
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#include "math/lp/nla_grobner.h"
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#include "math/lp/nla_intervals.h"
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namespace nla {
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template <typename A, typename B>
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@ -5,6 +5,8 @@
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namespace nla {
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typedef intervals::interval interv;
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typedef enum intervals::with_deps_t e_with_deps;
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void intervals::set_interval_for_scalar(interv& a, const rational& v) {
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set_lower(a, v);
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@ -292,6 +294,210 @@ std::ostream& intervals::display(std::ostream& out, const interval& i) const {
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return out;
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}
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template <e_with_deps wd>
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void intervals::set_var_interval(lpvar v, interval& b) const {
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TRACE("nla_intervals_details", m_core->print_var(v, tout) << "\n";);
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lp::constraint_index ci;
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rational val;
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bool is_strict;
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if (ls().has_lower_bound(v, ci, val, is_strict)) {
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m_config.set_lower(b, val);
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m_config.set_lower_is_open(b, is_strict);
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m_config.set_lower_is_inf(b, false);
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if (wd == with_deps) b.m_lower_dep = mk_dep(ci);
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}
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else {
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m_config.set_lower_is_open(b, true);
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m_config.set_lower_is_inf(b, true);
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if (wd == with_deps) b.m_lower_dep = nullptr;
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}
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if (ls().has_upper_bound(v, ci, val, is_strict)) {
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m_config.set_upper(b, val);
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m_config.set_upper_is_open(b, is_strict);
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m_config.set_upper_is_inf(b, false);
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if (wd == with_deps) b.m_upper_dep = mk_dep(ci);
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}
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else {
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m_config.set_upper_is_open(b, true);
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m_config.set_upper_is_inf(b, true);
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if (wd == with_deps) b.m_upper_dep = nullptr;
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}
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}
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template <e_with_deps wd>
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bool intervals::interval_from_term(const nex& e, interv& i) const {
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rational a, b;
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lp::lar_term norm_t = expression_to_normalized_term(&e.to_sum(), a, b);
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lp::explanation exp;
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if (m_core->explain_by_equiv(norm_t, exp)) {
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set_zero_interval(i);
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TRACE("nla_intervals", tout << "explain_by_equiv\n";);
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return true;
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}
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lpvar j = find_term_column(norm_t, a);
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if (j + 1 == 0)
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return false;
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set_var_interval<without_deps>(j, i);
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interv bi;
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mul<wd>(a, i, bi);
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add(b, bi);
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set<wd>(i, bi);
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TRACE("nla_intervals",
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m_core->m_lar_solver.print_column_info(j, tout) << "\n";
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tout << "a=" << a << ", b=" << b << "\n";
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tout << e << ", interval = "; display(tout, i););
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return true;
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}
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template <e_with_deps wd>
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interv intervals::interval_of_sum_no_term(const nex_sum& e) {
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const nex* inf_e = get_inf_interval_child(e);
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if (inf_e) {
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return interv();
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}
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interv a = interval_of_expr<wd>(e[0], 1);
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for (unsigned k = 1; k < e.size(); k++) {
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TRACE("nla_intervals_details_sum", tout << "e[" << k << "]= " << *e[k] << "\n";);
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interv b = interval_of_expr<wd>(e[k], 1);
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interv c;
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TRACE("nla_intervals_details_sum", tout << "a = "; display(tout, a) << "\nb = "; display(tout, b) << "\n";);
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if (wd == with_deps) {
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interval_deps_combine_rule combine_rule;
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add(a, b, c, combine_rule);
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combine_deps(a, b, combine_rule, c);
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}
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else {
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add(a, b, c);
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}
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set<wd>(a, c);
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TRACE("nla_intervals_details_sum", tout << *e[k] << ", ";
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display(tout, a); tout << "\n";);
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}
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TRACE("nla_intervals_details", tout << "e=" << e << "\n";
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tout << " interv = "; display(tout, a););
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return a;
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}
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template <e_with_deps wd>
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void intervals::update_upper_for_intersection(const interval& a, const interval& b, interval& i) const {
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if (a.m_upper_inf) {
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if (b.m_upper_inf)
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return;
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copy_upper_bound<wd>(b, i);
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return;
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}
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if (b.m_upper_inf) {
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SASSERT(!a.m_upper_inf);
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copy_upper_bound<wd>(a, i);
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return;
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}
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if (m_num_manager.gt(a.m_upper, b.m_upper)) {
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copy_upper_bound<wd>(b, i);
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return;
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}
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if (m_num_manager.lt(a.m_upper, b.m_upper)) {
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copy_upper_bound<wd>(a, i);
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return;
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}
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SASSERT(m_num_manager.eq(a.m_upper, b.m_upper));
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if (a.m_upper_open) { // we might consider to look at b.m_upper_open too here
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copy_upper_bound<wd>(a, i);
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return;
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}
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copy_upper_bound<wd>(b, i);
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}
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template <e_with_deps wd>
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interv intervals::interval_of_sum(const nex_sum& e) {
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TRACE("nla_intervals_details", tout << "e=" << e << "\n";);
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interv i_e = interval_of_sum_no_term<wd>(e);
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if (e.is_a_linear_term()) {
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SASSERT(e.is_sum() && e.size() > 1);
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interv i_from_term;
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if (interval_from_term<wd>(e, i_from_term)) {
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interv r = intersect<wd>(i_e, i_from_term);
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TRACE("nla_intervals_details", tout << "intersection="; display(tout, r) << "\n";);
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if (is_empty(r)) {
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SASSERT(false); // not implemented
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}
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return r;
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}
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}
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return i_e;
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}
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template <e_with_deps wd>
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interv intervals::interval_of_mul(const nex_mul& e) {
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TRACE("nla_intervals_details", tout << "e = " << e << "\n";);
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const nex* zero_interval_child = get_zero_interval_child(e);
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if (zero_interval_child) {
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interv a = interval_of_expr<wd>(zero_interval_child, 1);
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set_zero_interval_deps_for_mult(a);
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TRACE("nla_intervals_details", tout << "zero_interval_child = " << *zero_interval_child << std::endl << "a = "; display(tout, a); );
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return a;
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}
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interv a;
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set_interval_for_scalar(a, e.coeff());
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TRACE("nla_intervals_details", tout << "a = "; display(tout, a); );
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for (const auto& ep : e) {
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interv b = interval_of_expr<wd>(ep.e(), ep.pow());
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TRACE("nla_intervals_details", tout << "ep = " << ep << ", "; display(tout, b); );
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interv c;
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interval_deps_combine_rule comb_rule;
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mul_two_intervals(a, b, c, comb_rule);
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TRACE("nla_intervals_details", tout << "c before combine_deps() "; display(tout, c););
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combine_deps(a, b, comb_rule, c);
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TRACE("nla_intervals_details", tout << "a "; display(tout, a););
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TRACE("nla_intervals_details", tout << "c "; display(tout, c););
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set<wd>(a, c);
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TRACE("nla_intervals_details", tout << "part mult "; display(tout, a););
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}
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TRACE("nla_intervals_details", tout << "e=" << e << "\n";
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tout << " return "; display(tout, a););
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return a;
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}
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template <e_with_deps wd>
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interv intervals::interval_of_expr(const nex* e, unsigned p) {
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interv a;
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switch (e->type()) {
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case expr_type::SCALAR:
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set_interval_for_scalar(a, to_scalar(e)->value());
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if (p != 1) {
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return power<wd>(a, p);
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}
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return a;
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case expr_type::SUM: {
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interv b = interval_of_sum<wd>(e->to_sum());
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if (p != 1)
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return power<wd>(b, p);
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return b;
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}
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case expr_type::MUL: {
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interv b = interval_of_mul<with_deps>(e->to_mul());
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if (p != 1)
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return power<wd>(b, p);
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return b;
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}
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case expr_type::VAR:
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set_var_interval<wd>(e->to_var().var(), a);
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if (p != 1)
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return power<wd>(a, p);;
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return a;
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default:
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TRACE("nla_intervals_details", tout << e->type() << "\n";);
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UNREACHABLE();
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return interval();
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}
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}
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lp::lar_solver& intervals::ls() { return m_core->m_lar_solver; }
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const lp::lar_solver& intervals::ls() const { return m_core->m_lar_solver; }
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@ -25,7 +25,6 @@
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#include "math/interval/interval.h"
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#include "util/dependency.h"
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namespace nla {
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class core;
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@ -297,66 +296,11 @@ public:
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}
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template <enum with_deps_t wd>
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void set_var_interval(lpvar v, interval& b) const {
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TRACE("nla_intervals_details", m_core->print_var(v, tout) << "\n";);
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lp::constraint_index ci;
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rational val;
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bool is_strict;
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if (ls().has_lower_bound(v, ci, val, is_strict)) {
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m_config.set_lower(b, val);
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m_config.set_lower_is_open(b, is_strict);
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m_config.set_lower_is_inf(b, false);
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if (wd == with_deps) b.m_lower_dep = mk_dep(ci);
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}
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else {
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m_config.set_lower_is_open(b, true);
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m_config.set_lower_is_inf(b, true);
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if (wd == with_deps) b.m_lower_dep = nullptr;
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}
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if (ls().has_upper_bound(v, ci, val, is_strict)) {
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m_config.set_upper(b, val);
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m_config.set_upper_is_open(b, is_strict);
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m_config.set_upper_is_inf(b, false);
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if (wd == with_deps) b.m_upper_dep = mk_dep(ci);
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}
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else {
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m_config.set_upper_is_open(b, true);
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m_config.set_upper_is_inf(b, true);
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if (wd == with_deps) b.m_upper_dep = nullptr;
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}
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}
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void set_var_interval(lpvar v, interval& b) const;
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template <enum with_deps_t wd>
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void update_upper_for_intersection(const interval& a, const interval& b, interval& i) const {
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if (a.m_upper_inf) {
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if (b.m_upper_inf)
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return;
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copy_upper_bound<wd>(b, i);
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return;
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}
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if (b.m_upper_inf) {
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SASSERT(!a.m_upper_inf);
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copy_upper_bound<wd>(a, i);
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return;
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}
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if (m_num_manager.gt(a.m_upper, b.m_upper)) {
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copy_upper_bound<wd>(b, i);
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return;
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}
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if (m_num_manager.lt(a.m_upper, b.m_upper)) {
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copy_upper_bound<wd>(a, i);
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return;
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}
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SASSERT(m_num_manager.eq(a.m_upper, b.m_upper));
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if (a.m_upper_open) { // we might consider to look at b.m_upper_open too here
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copy_upper_bound<wd>(a, i);
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return;
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}
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copy_upper_bound<wd>(b, i);
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}
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void update_upper_for_intersection(const interval& a, const interval& b, interval& i) const;
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template <enum with_deps_t wd>
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interval intersect(const interval& a, const interval& b) const {
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interval i;
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@ -369,148 +313,19 @@ public:
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}
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template <enum with_deps_t wd>
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bool interval_from_term(const nex& e, interval& i) const {
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rational a, b;
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lp::lar_term norm_t = expression_to_normalized_term(&e.to_sum(), a, b);
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lp::explanation exp;
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if (m_core->explain_by_equiv(norm_t, exp)) {
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set_zero_interval(i);
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TRACE("nla_intervals", tout << "explain_by_equiv\n";);
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return true;
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}
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lpvar j = find_term_column(norm_t, a);
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if (j + 1 == 0)
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return false;
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set_var_interval<without_deps>(j, i);
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interv bi;
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mul<wd>(a, i, bi);
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add(b, bi);
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set<wd>(i, bi);
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TRACE("nla_intervals",
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m_core->m_lar_solver.print_column_info(j, tout) << "\n";
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tout << "a=" << a << ", b=" << b << "\n";
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tout << e << ", interval = "; display(tout, i););
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return true;
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}
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bool interval_from_term(const nex& e, interval& i) const;
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template <enum with_deps_t wd>
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interval interval_of_sum_no_term(const nex_sum& e) {
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const nex* inf_e = get_inf_interval_child(e);
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if (inf_e) {
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return interv();
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}
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interv a = interval_of_expr<wd>(e[0], 1);
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for (unsigned k = 1; k < e.size(); k++) {
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TRACE("nla_intervals_details_sum", tout << "e[" << k << "]= " << *e[k] << "\n";);
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interv b = interval_of_expr<wd>(e[k], 1);
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interv c;
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TRACE("nla_intervals_details_sum", tout << "a = "; display(tout, a) << "\nb = "; display(tout, b) << "\n";);
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if (wd == with_deps) {
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interval_deps_combine_rule combine_rule;
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add(a, b, c, combine_rule);
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combine_deps(a, b, combine_rule, c);
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}
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else {
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add(a, b, c);
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}
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set<wd>(a, c);
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TRACE("nla_intervals_details_sum", tout << *e[k] << ", ";
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display(tout, a); tout << "\n";);
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}
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TRACE("nla_intervals_details", tout << "e=" << e << "\n";
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tout << " interv = "; display(tout, a););
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return a;
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}
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interval interval_of_sum_no_term(const nex_sum& e);
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template <enum with_deps_t wd>
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interval interval_of_sum(const nex_sum& e) {
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TRACE("nla_intervals_details", tout << "e=" << e << "\n";);
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interv i_e = interval_of_sum_no_term<wd>(e);
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if (e.is_a_linear_term()) {
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SASSERT(e.is_sum() && e.size() > 1);
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interv i_from_term;
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if (interval_from_term<wd>(e, i_from_term)) {
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interv r = intersect<wd>(i_e, i_from_term);
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TRACE("nla_intervals_details", tout << "intersection="; display(tout, r) << "\n";);
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if (is_empty(r)) {
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SASSERT(false); // not implemented
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}
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return r;
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}
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}
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return i_e;
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}
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interval interval_of_sum(const nex_sum& e);
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template <enum with_deps_t wd>
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interval interval_of_mul(const nex_mul& e) {
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TRACE("nla_intervals_details", tout << "e = " << e << "\n";);
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const nex* zero_interval_child = get_zero_interval_child(e);
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if (zero_interval_child) {
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interv a = interval_of_expr<wd>(zero_interval_child, 1);
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set_zero_interval_deps_for_mult(a);
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TRACE("nla_intervals_details", tout << "zero_interval_child = " << *zero_interval_child << std::endl << "a = "; display(tout, a); );
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return a;
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}
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interv a;
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set_interval_for_scalar(a, e.coeff());
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TRACE("nla_intervals_details", tout << "a = "; display(tout, a); );
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for (const auto& ep : e) {
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interv b = interval_of_expr<wd>(ep.e(), ep.pow());
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TRACE("nla_intervals_details", tout << "ep = " << ep << ", "; display(tout, b); );
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interv c;
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interval_deps_combine_rule comb_rule;
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mul_two_intervals(a, b, c, comb_rule);
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TRACE("nla_intervals_details", tout << "c before combine_deps() "; display(tout, c););
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combine_deps(a, b, comb_rule, c);
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TRACE("nla_intervals_details", tout << "a "; display(tout, a););
|
||||
TRACE("nla_intervals_details", tout << "c "; display(tout, c););
|
||||
set<wd>(a, c);
|
||||
TRACE("nla_intervals_details", tout << "part mult "; display(tout, a););
|
||||
}
|
||||
TRACE("nla_intervals_details", tout << "e=" << e << "\n";
|
||||
tout << " return "; display(tout, a););
|
||||
return a;
|
||||
}
|
||||
interval interval_of_mul(const nex_mul& e);
|
||||
|
||||
template <enum with_deps_t wd>
|
||||
interval interval_of_expr(const nex* e, unsigned p) {
|
||||
interv a;
|
||||
switch (e->type()) {
|
||||
case expr_type::SCALAR:
|
||||
set_interval_for_scalar(a, to_scalar(e)->value());
|
||||
if (p != 1) {
|
||||
return power<wd>(a, p);
|
||||
}
|
||||
return a;
|
||||
case expr_type::SUM: {
|
||||
interv b = interval_of_sum<wd>(e->to_sum());
|
||||
if (p != 1)
|
||||
return power<wd>(b, p);
|
||||
return b;
|
||||
}
|
||||
case expr_type::MUL: {
|
||||
interv b = interval_of_mul<with_deps>(e->to_mul());
|
||||
if (p != 1)
|
||||
return power<wd>(b, p);
|
||||
return b;
|
||||
}
|
||||
case expr_type::VAR:
|
||||
set_var_interval<wd>(e->to_var().var(), a);
|
||||
if (p != 1)
|
||||
return power<wd>(a, p);;
|
||||
return a;
|
||||
default:
|
||||
TRACE("nla_intervals_details", tout << e->type() << "\n";);
|
||||
UNREACHABLE();
|
||||
return interval();
|
||||
}
|
||||
}
|
||||
|
||||
interval interval_of_expr(const nex* e, unsigned p);
|
||||
bool upper_is_inf(const interval& a) const { return m_config.upper_is_inf(a); }
|
||||
bool lower_is_inf(const interval& a) const { return m_config.lower_is_inf(a); }
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue