diff options
Diffstat (limited to 'fuzzylite/src/term/Bell.cpp')
| -rw-r--r-- | fuzzylite/src/term/Bell.cpp | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/fuzzylite/src/term/Bell.cpp b/fuzzylite/src/term/Bell.cpp index fc0b215..bd63753 100644 --- a/fuzzylite/src/term/Bell.cpp +++ b/fuzzylite/src/term/Bell.cpp @@ -1,25 +1,17 @@ /* - Author: Juan Rada-Vilela, Ph.D. - Copyright (C) 2010-2014 FuzzyLite Limited - All rights reserved + fuzzylite (R), a fuzzy logic control library in C++. + Copyright (C) 2010-2017 FuzzyLite Limited. All rights reserved. + Author: Juan Rada-Vilela, Ph.D. <jcrada@fuzzylite.com> 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. + the terms of the FuzzyLite License included with the software. - 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 <http://www.gnu.org/licenses/>. - - fuzzylite™ is a trademark of FuzzyLite Limited. + You should have received a copy of the FuzzyLite License along with + fuzzylite. If not, see <http://www.fuzzylite.com/license/>. + fuzzylite is a registered trademark of FuzzyLite Limited. */ #include "fl/term/Bell.h" @@ -27,24 +19,26 @@ namespace fl { Bell::Bell(const std::string& name, scalar center, scalar width, scalar slope, scalar height) - : Term(name, height), _center(center), _width(width), _slope(slope) { - } + : Term(name, height), _center(center), _width(width), _slope(slope) { } - Bell::~Bell() { - } + Bell::~Bell() { } std::string Bell::className() const { return "Bell"; } + Complexity Bell::complexity() const { + return Complexity().comparison(1).arithmetic(6).function(2); + } + scalar Bell::membership(scalar x) const { - if (fl::Op::isNaN(x)) return fl::nan; - return _height * (1.0 / (1.0 + std::pow(std::abs((x - _center) / _width), 2 * _slope))); + if (Op::isNaN(x)) return fl::nan; + return Term::_height * (1.0 / (1.0 + std::pow(std::abs((x - _center) / _width), 2.0 * _slope))); } std::string Bell::parameters() const { return Op::join(3, " ", _center, _width, _slope) + - (not Op::isEq(_height, 1.0) ? " " + Op::str(_height) : ""); + (not Op::isEq(getHeight(), 1.0) ? " " + Op::str(getHeight()) : ""); } void Bell::configure(const std::string& parameters) { @@ -55,7 +49,7 @@ namespace fl { std::ostringstream ex; ex << "[configuration error] term <" << className() << ">" << " requires <" << required << "> parameters"; - throw fl::Exception(ex.str(), FL_AT); + throw Exception(ex.str(), FL_AT); } setCenter(Op::toScalar(values.at(0))); setWidth(Op::toScalar(values.at(1))); |