39 lines
1.3 KiB
C#
39 lines
1.3 KiB
C#
// Copyright 2010-2021 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using System;
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using Google.OrTools.Sat;
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public class ReifiedSampleSat
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{
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static void Main()
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{
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CpModel model = new CpModel();
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BoolVar x = model.NewBoolVar("x");
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BoolVar y = model.NewBoolVar("y");
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BoolVar b = model.NewBoolVar("b");
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// First version using a half-reified bool and.
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model.AddBoolAnd(new ILiteral[] { x, y.Not() }).OnlyEnforceIf(b);
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// Second version using implications.
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model.AddImplication(b, x);
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model.AddImplication(b, y.Not());
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// Third version using bool or.
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model.AddBoolOr(new ILiteral[] { b.Not(), x });
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model.AddBoolOr(new ILiteral[] { b.Not(), y.Not() });
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}
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}
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