/usr/include/analitza/operator.h is in libanalitza-dev 4:4.14.0-1.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#ifndef OPERATOR_H
#define OPERATOR_H
#include "object.h"
#include "analitzaexport.h"
namespace Analitza
{
/**
* \class Operator
*
* \ingroup AnalitzaModule
*
* \brief Is the operator representation in the trees.
*/
class ANALITZA_EXPORT Operator : public Object
{
public:
/** Specifies the type of an operator */
enum OperatorType {
none=0,
plus, times, minus, divide, quotient,
power, root, factorial,
_and, _or, _xor, _not,
gcd, lcm, rem, factorof,
max, min,
lt, gt, eq, neq, leq, geq, implies,
approx, abs, floor, ceiling,
sin, cos, tan,
sec, csc, cot,
sinh, cosh, tanh,
sech, csch, coth,
arcsin, arccos, arctan,
arccot,// arccoth,
arccosh, arccsc, arccsch,
arcsec, arcsech, arcsinh, arctanh,
exp, ln, log,
// conjugate, arg, real, imaginary,
sum, product, diff,
card, scalarproduct, selector, _union,
forall, exists,
map, filter,
transpose,
function, nOfOps
};
/** Constructor. Creates an operator with @p t type .*/
explicit Operator(OperatorType t) : Object(oper), m_optype(t) {}
/** Destructor */
virtual ~Operator() {}
/** Sets an operator type to the object */
void setOperator(OperatorType t) { m_optype=t; }
/** Returns the number of params expected for the operator type. */
int nparams() const { return nparams(m_optype); }
/** Returns the operator type. */
OperatorType operatorType() const { return m_optype; }
/** Returns the string expression representation of the operator. */
QString name() const;
/** Returns whether @p o is equal to this operator. */
bool operator==(const Operator& o) const { return m_optype==o.m_optype; }
/** Returns whether @p o is equal to this operator. */
bool operator==(OperatorType o) const { return m_optype==o; }
/** Returns whether @p o is different to this operator. */
bool operator!=(OperatorType o) const { return m_optype!=o; }
/** Returns whether @p o is different to this operator. */
bool operator!=(const Operator& o) const { return m_optype!=o.m_optype; }
/** Makes this operator equal to @p a. */
Operator operator=(const Operator &a) { m_optype=a.operatorType(); return *this;}
/** Returns the multiplicity operator. e.g. 5+5+5+5=5*4 -> times is the multiplicityOperator of plus. */
OperatorType multiplicityOperator() const { return multiplicityOperator(m_optype); }
/** Returns if it is a trigonometric operator. */
bool isTrigonometric() const { return isTrigonometric(m_optype); }
/** Returns whether this operator needs bounding. */
bool isBounded() const;
/** Returns whether it is a correct object. */
bool isCorrect() const { return m_type==Object::oper && m_optype!=Operator::none;}
Operator inverse() const;
/** Returns the multiplicity operator of an operator @p t. e.g. 5+5+5+5=5*4 -> times is the multiplicityOperator of plus. */
static OperatorType multiplicityOperator(const OperatorType& t);
/** Converts a @p s operator tag to the operator. */
static OperatorType toOperatorType(const QString &s);
virtual bool matches(const Object*, QMap<QString, const Object*>*) const;
virtual bool decorate(const QMap< QString, Object** >& ) { return false; }
virtual QVariant accept(AbstractExpressionVisitor*) const;
virtual Operator* copy() const;
static const char words[nOfOps][14];
private:
/** Returns if it is a trigonometric operator. */
static bool isTrigonometric(OperatorType o);
/** Returns the expected number of parameters of a type. If there can be multiple parameters, -1 is returned */
static int nparams(OperatorType o);
OperatorType m_optype;
};
}
#endif
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