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/*
__________
_____ __ __\______ \_____ _______ ______ ____ _______
/ \ | | \| ___/\__ \ \_ __ \/ ___/_/ __ \\_ __ \
| Y Y \| | /| | / __ \_| | \/\___ \ \ ___/ | | \/
|__|_| /|____/ |____| (____ /|__| /____ > \___ >|__|
\/ \/ \/ \/
Copyright (C) 2004-2006 Ingo Berg
Permission is hereby granted, free of charge, to any person obtaining a copy of this
software and associated documentation files (the "Software"), to deal in the Software
without restriction, including without limitation the rights to use, copy, modify,
merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef MU_PARSER_H
#define MU_PARSER_H
#include "muParserBase.h"
#include <vector>
namespace mu
{
/** \brief Mathematical expressions parser (reference implementation).
Standard implementation of the mathematical expressions parser.
Can be used as a reference implementation for subclassing the parser.
<small>
(C) 2004-2006 Ingo Berg<br>
ingo_berg(at)gmx.de
</small>
*/
class Parser : public ParserBase
{
private:
// Trigonometric functions
static value_type Sin(value_type);
static value_type Cos(value_type);
static value_type Tan(value_type);
// arcus functions
static value_type ASin(value_type);
static value_type ACos(value_type);
static value_type ATan(value_type);
// hyperbolic functions
static value_type Sinh(value_type);
static value_type Cosh(value_type);
static value_type Tanh(value_type);
// arcus hyperbolic functions
static value_type ASinh(value_type);
static value_type ACosh(value_type);
static value_type ATanh(value_type);
// Logarithm functions
static value_type Log2(value_type); // Logarithm Base 2
static value_type Log10(value_type); // Logarithm Base 10
static value_type Ln(value_type); // Logarithm Base e (natural logarithm)
// misc
static value_type Exp(value_type);
static value_type Abs(value_type);
static value_type Sqrt(value_type);
static value_type Rint(value_type);
static value_type Sign(value_type);
static value_type Ite(value_type, value_type, value_type);
// Prefix operators
// !!! Unary Minus is a MUST if you want to use negative signs !!!
static value_type UnaryMinus(value_type);
// Functions with variable number of arguments
static value_type Sum(const value_type*, int); // sum
static value_type Avg(const value_type*, int); // mean value
static value_type Min(const value_type*, int); // minimum
static value_type Max(const value_type*, int); // maximum
static bool IsVal(const char_type *a_szExpr, int &a_iPos, value_type &a_fVal);
value_type m_fEpsilon; ///< Epsilon used for numerical differentiation.
public:
Parser();
virtual void InitCharSets();
virtual void InitFun();
virtual void InitConst();
virtual void InitOprt();
value_type Diff(value_type *a_Var, value_type a_fPos) const;
};
} // namespace mu
#endif
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