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| # vim swap files | ||
| *.swp | ||
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| # build files | ||
| # encode files | ||
| target/ | ||
| .sonar/ | ||
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75 changes: 75 additions & 0 deletions
75
src/main/java/org/logicng/cardinalityconstraints/CCAMKCardinalityNetwork.java
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| /////////////////////////////////////////////////////////////////////////// | ||
| // __ _ _ ________ // | ||
| // / / ____ ____ _(_)____/ | / / ____/ // | ||
| // / / / __ \/ __ `/ / ___/ |/ / / __ // | ||
| // / /___/ /_/ / /_/ / / /__/ /| / /_/ / // | ||
| // /_____/\____/\__, /_/\___/_/ |_/\____/ // | ||
| // /____/ // | ||
| // // | ||
| // The Next Generation Logic Library // | ||
| // // | ||
| /////////////////////////////////////////////////////////////////////////// | ||
| // // | ||
| // Copyright 2015-2016 Christoph Zengler // | ||
| // // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); // | ||
| // you may not use this file except in compliance with the License. // | ||
| // You may obtain a copy of the License at // | ||
| // // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 // | ||
| // // | ||
| // Unless required by applicable law or agreed to in writing, software // | ||
| // distributed under the License is distributed on an "AS IS" BASIS, // | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or // | ||
| // implied. See the License for the specific language governing // | ||
| // permissions and limitations under the License. // | ||
| // // | ||
| /////////////////////////////////////////////////////////////////////////// | ||
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| package org.logicng.cardinalityconstraints; | ||
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| import org.logicng.datastructures.EncodingResult; | ||
| import org.logicng.formulas.Variable; | ||
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| /** | ||
| * Encodes that at most 'rhs' variables are assigned value true. Uses the cardinality network | ||
| * encoding due to Asín, Nieuwenhuis, Oliveras, and Rodríguez-Carbonell . | ||
| * @version 1.1 | ||
| * @since 1.1 | ||
| */ | ||
| final class CCAMKCardinalityNetwork implements CCAtMostK { | ||
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| private final CCCardinalityNetworks cardinalityNetwork; | ||
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| /** | ||
| * Constructs a new cardinality encoder. | ||
| */ | ||
| CCAMKCardinalityNetwork() { | ||
| this.cardinalityNetwork = new CCCardinalityNetworks(); | ||
| } | ||
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| @Override | ||
| public void build(final EncodingResult result, final Variable[] vars, int rhs) { | ||
| cardinalityNetwork.buildAMK(result, vars, rhs); | ||
| } | ||
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| @Override | ||
| public CCIncrementalData incrementalData() { | ||
| return cardinalityNetwork.incrementalData(); | ||
| } | ||
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| /** | ||
| * Builds the constraint for incremental usage. | ||
| * @param result the result | ||
| * @param vars the variables | ||
| * @param rhs the right-hand side | ||
| */ | ||
| void buildForIncremental(final EncodingResult result, final Variable[] vars, int rhs) { | ||
| cardinalityNetwork.buildAMKForIncremental(result, vars, rhs); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return this.getClass().getSimpleName(); | ||
| } | ||
| } |
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