scalismo.sampling.algorithms.ForwardChain.scala Maven / Gradle / Ivy
/*
* Copyright 2016 University of Basel, Graphics and Vision Research Group
*
* 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 scalismo.sampling.algorithms
import scalismo.sampling.{MarkovChain, ProposalGenerator}
/** Markov chain which draws the next sample from a proposal distribution */
class ForwardChain[A](proposalGenerator: ProposalGenerator[A]) extends MarkovChain[A] {
/** next sample in chain */
override def next(current: A): A = proposalGenerator.propose(current)
}
object ForwardChain {
def apply[A](proposalGenerator: ProposalGenerator[A]) = new ForwardChain[A](proposalGenerator)
}