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outline for adding monomials

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This commit is contained in:
Nikolaj Bjorner 2025-09-26 12:03:26 +03:00
parent a6ea667776
commit 6adb234673
14 changed files with 242 additions and 140 deletions
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20
src/math/lp/mon_eq.cpp
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@ -9,28 +9,20 @@ namespace nla {
template <typename T>
bool check_assignment(T const& m, variable_map_type & vars) {
rational r1 = vars[m.var()];
if (r1.is_zero()) {
for (auto w : m.vars()) {
if (vars[w].is_zero())
return true;
}
return false;
}
if (r1.is_zero())
return any_of(m.vars(), [&](auto w) { return vars[w].is_zero(); });
rational r2(1);
for (auto w : m.vars()) {
r2 *= vars[w];
}
for (auto w : m.vars())
r2 *= vars[w];
return r1 == r2;
}
template <typename K>
bool check_assignments(const K & monomials,
const lp::lar_solver& s,
variable_map_type & vars) {
s.get_model(vars);
for (auto const& m : monomials) {
if (!check_assignment(m, vars)) return false;
}
return true;
return all_of(monomials, [&](auto const& m) { return check_assignment(m, vars); });
}
template bool check_assignments<vector<mon_eq>>(const vector<mon_eq>&,