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134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
/* Copyright 2010 Juan Rada-Vilela
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* ShoulderTerm.cpp
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*
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* Created on: Dec 13, 2009
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* Author: jcrada
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*/
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#include "ShoulderTerm.h"
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namespace fl {
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ShoulderTerm::ShoulderTerm() :
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LinguisticTerm(), _left(true) {
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}
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ShoulderTerm::ShoulderTerm(const std::string& name, flScalar minimum,
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flScalar maximum, bool left) :
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LinguisticTerm(name, minimum, maximum), _left(left) {
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}
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ShoulderTerm::ShoulderTerm(const FuzzyOperator& fuzzy_op, const std::string& name,
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flScalar minimum, flScalar maximum, bool left) :
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LinguisticTerm(fuzzy_op, name, minimum, maximum), _left(left) {
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}
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ShoulderTerm::~ShoulderTerm() {
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}
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void ShoulderTerm::setLeft(bool left) {
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this->_left = left;
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}
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bool ShoulderTerm::isLeft() const {
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return this->_left;
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}
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void ShoulderTerm::setRight(bool right) {
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this->_left = !right;
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}
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bool ShoulderTerm::isRight() const {
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return !this->_left;
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}
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ShoulderTerm* ShoulderTerm::clone() const {
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return new ShoulderTerm(*this);
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}
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flScalar ShoulderTerm::membership(flScalar crisp) const {
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if (isLeft()) {
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if (crisp < minimum())
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return flScalar(1.0);
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if (crisp > maximum())
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return flScalar(0.0);
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return FuzzyOperation::Scale(minimum(), maximum(), crisp, 1, 0);
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} else {
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if (crisp < minimum())
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return flScalar(0.0);
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if (crisp > maximum())
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return flScalar(1.0);
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return FuzzyOperation::Scale(minimum(), maximum(), crisp, 0, 1);
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}
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}
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LinguisticTerm::eMembershipFunction ShoulderTerm::type() const {
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return MF_SHOULDER;
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}
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std::string ShoulderTerm::toString() const {
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std::stringstream ss;
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ss << LinguisticTerm::toString();
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ss << "Shoulder " << (isLeft() ? "left" : "right") << "(" << minimum() << " " << maximum() << ")";
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return ss.str();
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}
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//**********Right and left...
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RightShoulderTerm::RightShoulderTerm() : ShoulderTerm() {
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setRight(true);
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}
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RightShoulderTerm::RightShoulderTerm(const std::string& name, flScalar minimum, flScalar maximum)
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: ShoulderTerm(name, minimum, maximum) {
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setRight(true);
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}
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RightShoulderTerm::RightShoulderTerm(const FuzzyOperator& fuzzy_op, const std::string& name, flScalar minimum, flScalar maximum)
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: ShoulderTerm(fuzzy_op, name, minimum, maximum) {
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setRight(true);
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}
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RightShoulderTerm::~RightShoulderTerm() {
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}
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LeftShoulderTerm::LeftShoulderTerm() : ShoulderTerm() {
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setLeft(true);
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}
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LeftShoulderTerm::LeftShoulderTerm(const std::string& name, flScalar minimum, flScalar maximum)
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: ShoulderTerm(name, minimum, maximum) {
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setLeft(true);
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}
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LeftShoulderTerm::LeftShoulderTerm(const FuzzyOperator& fuzzy_op, const std::string& name, flScalar minimum, flScalar maximum)
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: ShoulderTerm(fuzzy_op, name, minimum, maximum) {
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setLeft(true);
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}
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LeftShoulderTerm::~LeftShoulderTerm() {
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}
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} // namespace fuzzy_lite
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