Min and max in builder

2021-09-09 16:56:27 +02:00
parent 04196f41d3
commit 8c5a66a03f
2 changed files with 68 additions and 7 deletions
@@ -0,0 +1,32 @@
+use cp_sat::builder::CpModelBuilder;
+use cp_sat::proto::CpSolverStatus;
+
+#[test]
+fn min() {
+    let mut model = CpModelBuilder::default();
+    let x = model.new_int_var([(0, 10)]);
+    let y = model.new_int_var([(5, 15)]);
+    let m = model.new_int_var([(-100, 100)]);
+    model.add_min_eq(m, [x, y]);
+    model.maximize(m);
+
+    println!("{:#?}", model.proto());
+    let response = model.solve();
+    assert_eq!(response.status(), CpSolverStatus::Optimal);
+    assert_eq!(10., response.objective_value);
+}
+
+#[test]
+fn max() {
+    let mut model = CpModelBuilder::default();
+    let x = model.new_int_var([(0, 10)]);
+    let y = model.new_int_var([(5, 15)]);
+    let m = model.new_int_var([(-100, 100)]);
+    model.add_max_eq(m, [x, y]);
+    model.minimize(m);
+
+    println!("{:#?}", model.proto());
+    let response = model.solve();
+    assert_eq!(response.status(), CpSolverStatus::Optimal);
+    assert_eq!(5., response.objective_value);
+}