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kernel

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-05-10 15:48:06 -07:00
parent 54648f6b50
commit 5ca3bc3212
3 changed files with 54 additions and 76 deletions
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40
src/test/simplex.cpp
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@ -31,23 +31,23 @@ static vector<R> vec(int i, int j, int k) {
return nv;
}
// static vector<R> vec(int i, int j, int k, int l) {
// vector<R> nv = vec(i, j, k);
// nv.push_back(R(l));
// return nv;
// }
static vector<R> vec(int i, int j, int k, int l) {
vector<R> nv = vec(i, j, k);
nv.push_back(R(l));
return nv;
}
/// static vector<R> vec(int i, int j, int k, int l, int x) {
/// vector<R> nv = vec(i, j, k, l);
/// nv.push_back(R(x));
/// return nv;
/// }
static vector<R> vec(int i, int j, int k, int l, int x) {
vector<R> nv = vec(i, j, k, l);
nv.push_back(R(x));
return nv;
}
// static vector<R> vec(int i, int j, int k, int l, int x, int y) {
// vector<R> nv = vec(i, j, k, l, x);
// nv.push_back(R(y));
// return nv;
// }
static vector<R> vec(int i, int j, int k, int l, int x, int y) {
vector<R> nv = vec(i, j, k, l, x);
nv.push_back(R(y));
return nv;
}
// static vector<R> vec(int i, int j, int k, int l, int x, int y, int z) {
// vector<R> nv = vec(i, j, k, l, x, y);
@ -133,7 +133,7 @@ static void test4() {
}
static void add(qmatrix& m, vector<R> const& v) {
m.ensure_var(v.size());
m.ensure_var(v.size()-1);
auto r = m.mk_row();
for (unsigned u = 0; u < v.size(); ++u)
m.add_var(r, v[u].to_mpq(), u);
@ -142,12 +142,16 @@ static void add(qmatrix& m, vector<R> const& v) {
static void test5() {
unsynch_mpq_manager m;
qmatrix M(m);
add(M, vec(1, 2, 3));
add(M, vec(2, 2, 4));
add(M, vec(1, 0, -3, 0, 2, -8));
add(M, vec(0, 1, 5, 0, -1, 4));
add(M, vec(0, 0, 0, 1, 7, -9));
add(M, vec(0, 0, 0, 0, 0, 0));
M.display(std::cout);
vector<vector<rational>> K;
kernel(M, K);
std::cout << "after\n";
for (auto const& v : K)
std::cout << v << "\n";
M.display(std::cout);
}