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working on simplex

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-02-02 14:11:35 +01:00
parent 9ba4b532f6
commit 480ec049c0
3 changed files with 29 additions and 13 deletions
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14
src/test/simplex.cpp
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@ -78,9 +78,6 @@ void add_row(Simplex& S, vector<R> const& _v, R const& _b, bool is_eq = false) {
mpq_inf one(mpq(1),mpq(0));
mpq_inf zero(mpq(0),mpq(0));
SASSERT(vars.size() == coeffs.size());
std::cout << coeffs.size() << " " << nv << "\n";
for (unsigned i = 0; i < vars.size(); ++i) std::cout << vars[i] << " ";
std::cout << "\n";
S.set_lower(nv, zero);
if (is_eq) S.set_upper(nv, zero);
S.set_lower(nv+1, one);
@ -119,6 +116,16 @@ static void test3() {
feas(S);
}
static void test4() {
Simplex S;
add_row(S, vec(1, 0), R(1));
add_row(S, vec(0, -1), R(-1));
add_row(S, vec(1, 1), R(1), true);
feas(S);
}
void tst_simplex() {
Simplex S;
@ -153,4 +160,5 @@ void tst_simplex() {
test1();
test2();
test3();
test4();
}