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121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/***************************************************************************************************
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**
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** Copyright (C) 2013 Ingo Berg
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy of this
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** software and associated documentation files (the "Software"), to deal in the Software
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** without restriction, including without limitation the rights to use, copy, modify,
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** merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in all copies or
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** substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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** NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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******************************************************************************************************/
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#ifndef QMUPARSER_H
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#define QMUPARSER_H
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#include <QString>
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#include <QtGlobal>
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#include <locale>
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#include "qmuparser_global.h"
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#include "qmuparserbase.h"
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/**
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* @file
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* @brief Definition of the standard floating point parser.
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*/
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namespace qmu
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{
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QT_WARNING_PUSH
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QT_WARNING_DISABLE_GCC("-Wsuggest-final-types")
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/** @brief Mathematical expressions parser.
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*
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* Standard implementation of the mathematical expressions parser.
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* Can be used as a reference implementation for subclassing the parser.
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*
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* <small>
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* (C) 2011 Ingo Berg<br>
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* muparser(at)gmx.de
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* </small>
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*/
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/* final */ class QMUPARSERSHARED_EXPORT QmuParser : public QmuParserBase
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{
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public:
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QmuParser();
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void InitCharSets() override;
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void InitFun() override;
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void InitConst() override;
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void InitOprt() override;
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void OnDetectVar(const QString &pExpr, qmusizetype &nStart, qmusizetype &nEnd) override;
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auto Diff(qreal *a_Var, qreal a_fPos, qreal a_fEpsilon = 0) const -> qreal;
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protected:
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static auto IsVal(const QString &a_szExpr, qmusizetype *a_iPos, qreal *a_fVal, const QLocale &locale, bool cNumbers,
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const QChar &decimal, const QChar &thousand) -> int;
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// hyperbolic functions
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static auto Sinh(qreal) -> qreal;
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static auto Cosh(qreal) -> qreal;
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static auto Tanh(qreal) -> qreal;
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// arcus hyperbolic functions
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static auto ASinh(qreal) -> qreal;
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static auto ACosh(qreal) -> qreal;
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static auto ATanh(qreal) -> qreal;
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// functions working with degrees
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static auto DegreeToRadian(qreal) -> qreal;
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static auto RadianToDegree(qreal) -> qreal;
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static auto SinD(qreal) -> qreal;
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static auto CosD(qreal) -> qreal;
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static auto TanD(qreal) -> qreal;
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static auto ASinD(qreal) -> qreal;
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static auto ACosD(qreal) -> qreal;
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static auto ATanD(qreal) -> qreal;
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// Logarithm functions
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static auto Log2(qreal) -> qreal; // Logarithm Base 2
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static auto Log10(qreal) -> qreal; // Logarithm Base 10
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// misc
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static auto Abs(qreal) -> qreal;
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static auto Rint(qreal) -> qreal;
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static auto R2CM(qreal) -> qreal;
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static auto CSRCm(qreal length, qreal split, qreal arcLength) -> qreal;
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static auto CSRInch(qreal length, qreal split, qreal arcLength) -> qreal;
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static auto Sign(qreal) -> qreal;
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static auto FMod(qreal, qreal) -> qreal;
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// Prefix operators
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// !!! Unary Minus is a MUST if you want to use negative signs !!!
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static auto UnaryMinus(qreal v) -> qreal;
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// Functions with variable number of arguments
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static auto Sum(const qreal *, qmusizetype) -> qreal; // sum
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static auto Avg(const qreal *, qmusizetype) -> qreal; // mean value
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static auto Min(const qreal *, qmusizetype) -> qreal; // minimum
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static auto Max(const qreal *, qmusizetype) -> qreal; // maximum
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};
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QT_WARNING_POP
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Callback for the unary minus operator.
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* @param v The value to negate
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* @return -v
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*/
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inline auto QmuParser::UnaryMinus(qreal v) -> qreal
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{
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return -v;
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}
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} // namespace qmu
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#endif // QMUPARSER_H
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