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/*
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 FuzzyLite License included with the software.
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/norm/s/SNormFunction.h"
namespace fl {
SNormFunction::SNormFunction(const std::string& formula) : SNorm() {
_function.variables["a"] = fl::nan;
_function.variables["b"] = fl::nan;
if (not formula.empty()) {
_function.load(formula);
}
}
std::string SNormFunction::className() const {
return "SNormFunction";
}
Complexity SNormFunction::complexity() const {
if (_function.root())
return _function.complexity().function(2 * std::log(scalar(_function.variables.size())));
return _function.complexity();
}
scalar SNormFunction::compute(scalar a, scalar b) const {
_function.variables["a"] = a;
_function.variables["b"] = b;
return _function.evaluate();
}
Function& SNormFunction::function() {
return this->_function;
}
void SNormFunction::setFormula(const std::string& formula) {
this->_function.load(formula);
}
std::string SNormFunction::getFormula() const {
return _function.getFormula();
}
SNormFunction* SNormFunction::clone() const {
return new SNormFunction(*this);
}
SNorm* SNormFunction::constructor() {
return new SNormFunction;
}
}
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