/* Author: Juan Rada-Vilela, Ph.D. Copyright (C) 2010-2014 FuzzyLite Limited All rights reserved This file is part of fuzzylite. fuzzylite is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. fuzzylite is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with fuzzylite. If not, see . fuzzyliteâ„¢ is a trademark of FuzzyLite Limited. */ #include "fl/hedge/Seldom.h" #include "fl/Operation.h" namespace fl { std::string Seldom::name() const { return "seldom"; } scalar Seldom::hedge(scalar x) const { return Op::isLE(x, 0.5) ? std::sqrt(x / 2.0) : 1.0 - std::sqrt((1.0 - x) / 2.0); } Seldom* Seldom::clone() const { return new Seldom(*this); } Hedge* Seldom::constructor() { return new Seldom; } }