mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-26 22:57:00 +02:00
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
|
/* Copyright 2010 Juan Rada-Vilela
|
||
|
|
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "FuzzyDefuzzifier.h"
|
||
|
|
#include "CompoundTerm.h"
|
||
|
|
#include "TakagiSugenoTerm.h"
|
||
|
|
namespace fl {
|
||
|
|
|
||
|
|
FuzzyDefuzzifier::~FuzzyDefuzzifier() {
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string CoGDefuzzifier::name() const {
|
||
|
|
return "CoG";
|
||
|
|
}
|
||
|
|
|
||
|
|
flScalar CoGDefuzzifier::defuzzify(const LinguisticTerm* term, int number_of_samples,
|
||
|
|
const AreaCentroidAlgorithm* algorithm) const {
|
||
|
|
flScalar x, y;
|
||
|
|
algorithm->centroid(term, x, y, number_of_samples);
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string TakagiSugenoDefuzzifier::name() const {
|
||
|
|
return "TSK";
|
||
|
|
}
|
||
|
|
|
||
|
|
flScalar TakagiSugenoDefuzzifier::defuzzify(const LinguisticTerm* term, int number_of_samples,
|
||
|
|
const AreaCentroidAlgorithm* algorithm) const {
|
||
|
|
const CompoundTerm* out = dynamic_cast<const CompoundTerm*> (term);
|
||
|
|
if (!out) {
|
||
|
|
FL_LOG("<CompoundTerm> expected, but <" << term->toString() << "> found." <<
|
||
|
|
"Takagi-Sugeno defuzzification works only on the output of Takagi-Sugeno Rules." );
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
flScalar result = 0;
|
||
|
|
flScalar sum_wi = 0;
|
||
|
|
for (int i = 0; i < out->numberOfTerms(); ++i) {
|
||
|
|
const TakagiSugenoTerm* t = dynamic_cast<const TakagiSugenoTerm*> (&out->term(i));
|
||
|
|
if (!t) {
|
||
|
|
FL_LOG("<TakagiSugenoTerm> expected, but <" << out->term(i).toString() << "> found." <<
|
||
|
|
"Takagi-Sugeno defuzzification works only on the output of Takagi-Sugeno Rules");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
result += t->value() * t->weight();
|
||
|
|
sum_wi += t->weight();
|
||
|
|
}
|
||
|
|
return result / sum_wi;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|