115 lines
4.4 KiB
C
115 lines
4.4 KiB
C
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/*
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__________
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_____ __ __\______ \_____ _______ ______ ____ _______
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/ \ | | \| ___/\__ \ \_ __ \/ ___/_/ __ \\_ __ \
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| Y Y \| | /| | / __ \_| | \/\___ \ \ ___/ | | \/
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|__|_| /|____/ |____| (____ /|__| /____ > \___ >|__|
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\/ \/ \/ \/
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Copyright (C) 2013 Ingo Berg
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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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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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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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#ifndef MU_PARSER_H
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#define MU_PARSER_H
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//--- Standard includes ------------------------------------------------------------------------
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#include <vector>
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//--- Parser includes --------------------------------------------------------------------------
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#include "muParserBase.h"
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#include "muParserTemplateMagic.h"
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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 mu
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{
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/** \brief Mathematical expressions parser.
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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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<small>
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(C) 2011 Ingo Berg<br>
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muparser(at)beltoforion.de
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</small>
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*/
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/* final */ class Parser : public ParserBase
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{
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public:
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Parser();
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virtual void InitCharSets();
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virtual void InitFun();
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virtual void InitConst();
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virtual void InitOprt();
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virtual void OnDetectVar(string_type *pExpr, int &nStart, int &nEnd);
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value_type Diff(value_type *a_Var,
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value_type a_fPos,
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value_type a_fEpsilon = 0) const;
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protected:
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// Trigonometric functions
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static value_type Sin(SParam, value_type);
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static value_type Cos(SParam, value_type);
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static value_type Tan(SParam, value_type);
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static value_type Tan2(SParam, value_type, value_type);
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// arcus functions
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static value_type ASin(SParam, value_type);
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static value_type ACos(SParam, value_type);
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static value_type ATan(SParam, value_type);
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static value_type ATan2(SParam, value_type, value_type);
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// hyperbolic functions
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static value_type Sinh(SParam, value_type);
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static value_type Cosh(SParam, value_type);
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static value_type Tanh(SParam, value_type);
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// arcus hyperbolic functions
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static value_type ASinh(SParam, value_type);
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static value_type ACosh(SParam, value_type);
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static value_type ATanh(SParam, value_type);
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// Logarithm functions
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static value_type Log2(SParam, value_type); // Logarithm Base 2
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static value_type Log10(SParam, value_type); // Logarithm Base 10
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static value_type Ln(SParam, value_type); // Logarithm Base e (natural logarithm)
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// misc
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static value_type Exp(SParam, value_type);
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static value_type Abs(SParam, value_type);
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static value_type Sqrt(SParam, value_type);
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static value_type Rint(SParam, value_type);
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static value_type Sign(SParam, value_type);
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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 value_type UnaryMinus(SParam, value_type);
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static value_type UnaryPlus(SParam, value_type);
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// Functions with variable number of arguments
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static value_type Sum(SParam, const value_type*, int); // sum
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static value_type Avg(SParam, const value_type*, int); // mean value
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static value_type Min(SParam, const value_type*, int); // minimum
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static value_type Max(SParam, const value_type*, int); // maximum
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static int IsVal(SParam, const char_type* a_szExpr, int *a_iPos, value_type *a_fVal);
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};
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} // namespace mu
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#endif
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