/* Copyright (C) 2013-2022 TU Dortmund
 * This file is part of AutomataLib, http://www.automatalib.net/.
 *
 * 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 net.automatalib.graphs.concepts;

/**
 * Edge weights concepts. Allows to associate a fractional (floating-point) <i>weight</i> with the edges in a graph.
 *
 * @param <E>
 *         edge class
 *
 * @author Malte Isberner
 */
public interface EdgeWeights<E> {

    /**
     * Retrieves the weight of an edge.
     *
     * @param edge
     *         the edge
     *
     * @return the weight of the given edge
     */
    float getEdgeWeight(E edge);
}
