/* * Copyright 2015 Red Hat, Inc. and/or its affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * * 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. */ package org.drools.beliefs.bayes; public class Marginalizer { public Marginalizer(BayesVariable[] srcVars, double[] srcPotentials, BayesVariable var, double[] varDistribution) { BayesVariable[] trgVars = new BayesVariable[] { var }; int[] trgVarPos = PotentialMultiplier.createSubsetVarPos(srcVars, trgVars); int trgVarNumberOfStates = PotentialMultiplier.createNumberOfStates(trgVars); int[] trgVarMultipliers = PotentialMultiplier.createIndexMultipliers(trgVars, trgVarNumberOfStates); BayesProjection p = new BayesProjection(srcVars, srcPotentials, trgVarPos, trgVarMultipliers, varDistribution); p.project(); } }