4f381f6d07
* bump abseil to 20250814 * bump protobuf to v32.0 * cmake: add ccache auto support * backport flatzinc, math_opt and sat update
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
// Copyright 2010-2025 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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// [START program]
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// The reified_sample_sat command is a simple example of implication constraints.
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package main
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import (
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"github.com/google/or-tools/ortools/sat/go/cpmodel"
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)
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func reifiedSampleSat() {
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model := cpmodel.NewCpModelBuilder()
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x := model.NewBoolVar()
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y := model.NewBoolVar()
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b := model.NewBoolVar()
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// First version using a half-reified bool and.
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model.AddBoolAnd(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(b.Not(), x)
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model.AddBoolOr(b.Not(), y.Not())
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}
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func main() {
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reifiedSampleSat()
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}
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// [END program]
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