mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-12 06:00:53 +00:00
Code Activity

a version with less pointers: got a conflict

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-08-21 17:40:32 -10:00 • committed by Lev Nachmanson
parent 5a36e02c58
commit 52653e6e43
7 changed files with 181 additions and 74 deletions
Download patch file Download diff file Expand all files Collapse all files

33
src/math/lp/lar_term.h
View file

@ -118,6 +118,12 @@ public:
m_coeffs.erase(j);
}
const mpq & get_coeff(unsigned j) const {
auto* it = m_coeffs.find_core(j);
SASSERT(it != nullptr);
return it->get_data().m_value;
}
// the monomial ax[j] is substituted by ax[k]
void subst_index(unsigned j, unsigned k) {
auto* it = m_coeffs.find_core(j);
@ -145,6 +151,33 @@ public:
return ret;
}
lar_term clone() const {
lar_term ret;
for (const auto& p : *this) {
ret.add_monomial(p.coeff(), p.j());
}
return ret;
}
lar_term operator+(const lar_term& other) const {
lar_term ret = other.clone();
for (const auto& p : *this) {
ret.add_monomial(p.coeff(), p.j());
}
return ret;
}
friend lar_term operator*(const mpq& k, const lar_term& term) {
lar_term result;
for (const auto& p : term) {
result.add_monomial(p.coeff()*k, p.j());
}
return result;
}
lar_term& operator*=(mpq const& k) {
for (auto & t : m_coeffs)
t.m_value *= k;