/usr/include/muParser/muParserComplex.h is in libmuparser-dev 1.34-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2010 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_COMPLEX_H
#define MU_PARSER_COMPLEX_H
#include "muParserBase.h"
#include <vector>
#include <complex>
/** \file
\brief This file contains a definition of a parser using complex numbers.
*/
namespace mu
{
/** \brief Mathematical expressions parser.
This version of the parser handles only complex numbers. It disables the built in operators
thus it is slower than muParser.
*/
class ParserComplex : private ParserBase
{
public:
typedef std::complex<float> complex_type;
ParserComplex();
using ParserBase::SetExpr;
complex_type Eval();
static complex_type UnpackToComplex(double val);
static double PackToDouble(const complex_type &val);
private:
// !! The unary Minus is a MUST, otherwise you cant use negative signs !!
static value_type UnaryMinus(value_type);
// binary operator callbacks
static value_type Add(value_type v1, value_type v2);
static value_type Sub(value_type v1, value_type v2);
static value_type Mul(value_type v1, value_type v2);
static value_type Div(value_type v1, value_type v2);
static value_type Sin(value_type);
static value_type Cos(value_type);
static value_type Tan(value_type);
static value_type Sqrt(value_type);
static int IsVal(const char_type* a_szExpr, int *a_iPos, value_type *a_iVal);
virtual void InitOprt();
virtual void InitCharSets();
virtual void InitFun();
virtual void InitConst();
};
} // namespace mu
#endif
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