/******************************************************************************* * Copyright 2014 Analog Devices, Inc. * * 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. ********************************************************************************/ package com.analog.lyric.dimple.solvers.core.proposalKernels; import com.analog.lyric.dimple.model.values.RealValue; import com.analog.lyric.dimple.model.values.Value; public class Proposal { public final Value value; public final double forwardEnergy; // -log p(x_previous -> x_proposed) public final double reverseEnergy; // -log p(x_proposed -> x_previous) /** * Construct with no Hastings term * @since 0.05 */ public Proposal(Value value) { this.value = value; this.forwardEnergy = 0; this.reverseEnergy = 0; } /** * General constructor * @since 0.05 */ public Proposal(Value value, double forwardEnergy, double reverseEnergy) { this.value = value; this.forwardEnergy = forwardEnergy; this.reverseEnergy = reverseEnergy; } /** * Construct with no Hastings term; for real valued proposal * @since 0.05 */ public Proposal(double value) { this.value = RealValue.create(value); this.forwardEnergy = 0; this.reverseEnergy = 0; } /** * General constructor; for real valued proposal * @since 0.05 */ public Proposal(double value, double forwardEnergy, double reverseEnergy) { this.value = RealValue.create(value); this.forwardEnergy = forwardEnergy; this.reverseEnergy = reverseEnergy; } }