/******************************************************************************* * Copyright 2012 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.factorfunctions; import com.analog.lyric.dimple.factorfunctions.core.DeterministicRealUnaryFactorFunction; /** * Deterministic arc-sine function. This is a deterministic directed factor * (if smoothing is not enabled). * * Optional smoothing may be applied, by providing a smoothing value in * the constructor. If smoothing is enabled, the distribution is * smoothed by exp(-difference^2/smoothing), where difference is the * distance between the output value and the deterministic output value * for the corresponding inputs. * * The variables are ordered as follows in the argument list: * * 1) Output (arc-sine of input) * 2) Input (double or integer) * */ public class ASin extends DeterministicRealUnaryFactorFunction { protected final double myFunction(double in) { return Math.asin(in); } }