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/*
Author: Juan Rada-Vilela, Ph.D.
Copyright (C) 2010-2014 FuzzyLite Limited
All rights reserved
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.
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.
*/
#ifndef FL_OPERATION_H
#define FL_OPERATION_H
#include "fl/fuzzylite.h"
#include "fl/Exception.h"
#include <string>
#include <vector>
namespace fl {
class FL_API Operation {
public:
template <typename T>
static T min(T a, T b);
template <typename T>
static T max(T a, T b);
template <typename T>
static T bound(T x, T min, T max);
template <typename T>
static bool in(T x, T min, T max, bool geq = true, bool leq = true);
template <typename T>
static bool isInf(T x);
template <typename T>
static bool isNaN(T x);
template <typename T>
static bool isFinite(T x);
//Is less than
static bool isLt(scalar a, scalar b, scalar macheps = fl::fuzzylite::macheps());
static bool isLE(scalar a, scalar b, scalar macheps = fl::fuzzylite::macheps());
static bool isEq(scalar a, scalar b, scalar macheps = fl::fuzzylite::macheps());
static bool isGt(scalar a, scalar b, scalar macheps = fl::fuzzylite::macheps());
static bool isGE(scalar a, scalar b, scalar macheps = fl::fuzzylite::macheps());
static scalar scale(scalar x, scalar fromMin, scalar fromMax,
scalar toMin, scalar toMax, bool bounded = false);
static scalar add(scalar a, scalar b);
static scalar subtract(scalar a, scalar b);
static scalar multiply(scalar a, scalar b);
static scalar divide(scalar a, scalar b);
static scalar modulo(scalar a, scalar b);
static scalar logicalAnd(scalar a, scalar b);
static scalar logicalOr(scalar a, scalar b);
static scalar logicalNot(scalar a);
static scalar negate(scalar a);
static scalar round(scalar x);
//greater than
static scalar gt(scalar a, scalar b);
//greater than or equal to
static scalar ge(scalar a, scalar b);
//equal to
static scalar eq(scalar a, scalar b);
//not equal to
static scalar neq(scalar a, scalar b);
//less than or equal to
static scalar le(scalar a, scalar b);
//less than
static scalar lt(scalar a, scalar b);
static bool increment(std::vector<int>& x, std::vector<int>& min, std::vector<int>& max);
static bool increment(std::vector<int>& x, int position, std::vector<int>& min, std::vector<int>& max);
static double mean(const std::vector<scalar>& x);
static double variance(const std::vector<scalar>& x);
static double variance(const std::vector<scalar>& x, scalar mean);
static double standardDeviation(const std::vector<scalar>& x);
static double standardDeviation(const std::vector<scalar>& x, scalar mean);
static std::string validName(const std::string& name);
static int isValidForName(int character);
static std::string findReplace(const std::string& str, const std::string& find,
const std::string& replace, bool replaceAll = true);
static std::vector<std::string> split(const std::string& str,
const std::string& delimiter = " ", bool ignoreEmpty = true);
static std::string trim(const std::string& text);
static std::string format(const std::string& text, int matchesChar(int),
const std::string& replacement = "");
//Intentionally results in a compiler error in C++11, or linker error in C++98
//in order to avoid the deprecated usage of this method from version 4.0
static scalar toScalar(const std::string& x, bool quiet,
scalar alternative = fl::nan) FL_IDELETE;
static scalar toScalar(const std::string& x); //throws fl::Exception
static scalar toScalar(const std::string& x, scalar alternative) FL_INOEXCEPT;
static bool isNumeric(const std::string& x);
template <typename T>
static std::string str(T x, int decimals = fuzzylite::decimals());
template <typename T>
static std::string join(const std::vector<T>& x, const std::string& separator);
template <typename T>
static std::string join(int items, const std::string& separator, T first, ...);
};
typedef Operation Op;
}
#endif /* FL_OPERATION_H */
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