001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.math3.dfp;
018
019 /**
020 * An interface representing a univariate {@link Dfp} function.
021 *
022 * @version $Id: UnivariateDfpFunction.java 1416643 2012-12-03 19:37:14Z tn $
023 */
024 public interface UnivariateDfpFunction {
025
026 /**
027 * Compute the value of the function.
028 *
029 * @param x Point at which the function value should be computed.
030 * @return the value.
031 * @throws IllegalArgumentException when the activated method itself can
032 * ascertain that preconditions, specified in the API expressed at the
033 * level of the activated method, have been violated. In the vast
034 * majority of cases where Commons-Math throws IllegalArgumentException,
035 * it is the result of argument checking of actual parameters immediately
036 * passed to a method.
037 */
038 Dfp value(Dfp x);
039
040 }