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119 lines
3.5 KiB
C++
119 lines
3.5 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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#include "LinguisticTerm.h"
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#include "TriangularTerm.h"
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#include "TrapezoidalTerm.h"
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#include "ShoulderTerm.h"
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#include "FuzzyException.h"
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namespace fl {
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LinguisticTerm::LinguisticTerm() :
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_fuzzy_operator(NULL), _name(""), _minimum(-INFINITY), _maximum(INFINITY),
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_modulation(flScalar(1.0)) {
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setFuzzyOperator(FuzzyOperator::DefaultFuzzyOperator());
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}
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LinguisticTerm::LinguisticTerm(const std::string& name, flScalar minimum,
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flScalar maximum) :
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_fuzzy_operator(NULL), _name(name), _minimum(minimum), _maximum(maximum),
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_modulation(flScalar(1.0)) {
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setFuzzyOperator(FuzzyOperator::DefaultFuzzyOperator());
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}
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LinguisticTerm::LinguisticTerm(const FuzzyOperator& fuzzy_op,
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const std::string& name, flScalar minimum, flScalar maximum) :
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_fuzzy_operator(&fuzzy_op), _name(name), _minimum(minimum), _maximum(maximum),
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_modulation(flScalar(1.0)) {
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}
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LinguisticTerm::~LinguisticTerm() {
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}
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void LinguisticTerm::setFuzzyOperator(const FuzzyOperator& fuzzy_operator) {
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this->_fuzzy_operator = &fuzzy_operator;
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}
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const FuzzyOperator& LinguisticTerm::fuzzyOperator() const {
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return *this->_fuzzy_operator;
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}
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void LinguisticTerm::setName(const std::string& name) {
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this->_name = name;
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}
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std::string LinguisticTerm::name() const {
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return this->_name;
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}
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void LinguisticTerm::setMinimum(flScalar min) {
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this->_minimum = min;
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}
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flScalar LinguisticTerm::minimum() const {
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return _minimum;
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}
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void LinguisticTerm::setMaximum(flScalar max) {
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this->_maximum = max;
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}
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flScalar LinguisticTerm::maximum() const {
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return _maximum;
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}
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void LinguisticTerm::setModulation(flScalar degree) {
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this->_modulation = degree;
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}
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flScalar LinguisticTerm::modulation() const {
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return this->_modulation;
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}
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flScalar LinguisticTerm::defuzzify() const {
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return fuzzyOperator().defuzzify(this);
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}
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flScalar LinguisticTerm::area() const {
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return fuzzyOperator().area(this);
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}
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void LinguisticTerm::centroid(flScalar& x, flScalar& y) const {
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fuzzyOperator().centroid(this, x, y);
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}
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flScalar LinguisticTerm::areaAndCentroid(flScalar& x, flScalar& y) const {
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return fuzzyOperator().areaAndCentroid(this, x, y);
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}
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void LinguisticTerm::samples(std::vector<flScalar>& x, std::vector<flScalar>& y,
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int samples, int out_of_range) const {
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flScalar step_size = (maximum() - minimum()) / samples;
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flScalar step = minimum() - (out_of_range * step_size);
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for (int i = 0 - out_of_range; i < samples + out_of_range + 1; ++i, step
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+= step_size) {
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x.push_back(step);
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y.push_back(membership(step));
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}
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}
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std::string LinguisticTerm::toString() const {
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return "TERM " + name() + " := ";
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}
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}
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