/usr/include/Analitza5/analitza/value.h is in libanalitza-dev 4:15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | /*************************************************************************************
* 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 VALUE_H
#define VALUE_H
#include "object.h"
#include "analitzaexport.h"
#include <cmath>
#include <complex>
class QDomElement;
namespace Analitza
{
/**
* \class Cn
*
* \ingroup AnalitzaModule
*
* \brief Cn is a value in MathML.
*
* The Cn class is the one that represents a value in the expression trees.
*/
class ANALITZA_EXPORT Cn : public Object
{
public:
enum ValueFormat { Char=8, Real=7, Integer=3, Boolean=1, Complex=0x10|Real };
/** Copy constructor. Creates a Cn from another one. */
Cn(const Cn& v) : Object(v), m_value(v.m_value), m_imaginaryPart(v.m_imaginaryPart), m_format(v.m_format) { Q_ASSERT(m_type==Object::value); }
/** Constructor. Creates a boolean value with @p b. */
explicit Cn(const double &b=0.) : Object(Object::value), m_value(b), m_imaginaryPart(0), m_format(Real) {}
/** Constructor. Creates an integer value with @p i. */
explicit Cn(int i) : Object(Object::value), m_value(i), m_imaginaryPart(0), m_format(Integer) {}
/** @copydoc */
explicit Cn(uint i) : Object(Object::value), m_value(i), m_imaginaryPart(0), m_format(Integer) {}
/** Constructor. Creates a boolean value with value @p b. */
explicit Cn(bool b) : Object(Object::value), m_value(b?1.:0.), m_imaginaryPart(0), m_format(Boolean) {}
/** Constructor. Creates a value that represents a character. */
explicit Cn(const QChar& c) : Object(Object::value), m_char(c.unicode()), m_imaginaryPart(0), m_format(Char) {}
/** Constructor. Creates a value that represents a complex. */
explicit Cn(double value, double imaginaryPart) : Object(Object::value), m_value(value), m_imaginaryPart(imaginaryPart), m_format(Complex) {}
/**
* Extracts the number from the @p e Dom element and saves it.
*/
bool setValue(const QDomElement& e);
/**
* Sets the new value of this function
* @param v the new value
*/
void setValue(const double& v);
void setValue(int v);
void setValue(uint v);
void setValue(bool v);
void setValue(std::complex<double> v);
/**
* Returns the value.
*/
inline double value() const { return m_value; }
inline double& rvalue() { return m_value; }
/**
* @returns the value as an int.
*/
int intValue() const { return static_cast<int>(std::floor(m_value)); }
/**
* @returns whether it is a boolean value or not.
*/
bool isBoolean() const { return m_format==Boolean; }
/**
* @returns whether it is a character value or not.
*/
bool isCharacter() const { return m_format==Char; }
ValueFormat format() const { return m_format; }
/**
* @return If it is a boolean value, returns if it is true or not, otherwise retuns false.
*/
bool isTrue() const { Q_ASSERT(m_format==Boolean); return m_value!=0.; }
// static double toNum(const QString& num, const QString& type, int base);
// static enum ValueFormat whatValueFormat(const QDomElement&);
/**
* @returns whether it is an integer value or not.
*/
bool isInteger() const { return m_format&Integer && std::floor(m_value)==m_value; }
/**
* @returns whether @p d is equal than this object.
*/
bool operator==(const Cn& d) const { return m_value==d.m_value && d.m_imaginaryPart==m_imaginaryPart; }
/**
* @returns whether @p d is less than this object.
*/
bool operator<(const Cn& d) const { return m_value<d.m_value; }
/**
* @returns whether @p d is less than this object's value.
*/
bool operator<(double d) const { return m_value<d; }
/**
* @returns whether @p d is less or equal than this object.
*/
bool operator<=(const Cn& d) const { return m_value<=d.m_value; }
/**
* @returns whether @p d is less or equal than this object's value.
*/
bool operator<=(double d) const { return m_value<=d; }
/**
* Sets the new value to @p d.
*/
Cn operator=(double d) { m_value=d; m_format=Real; return *this; }
QChar character() const { Q_ASSERT(m_format==Char); return QChar(m_char); }
/** @returns whether the value has an imaginary part */
bool isComplex() const { return m_format == Complex && m_imaginaryPart!=0.; }
virtual QVariant accept(AbstractExpressionVisitor*) const;
virtual bool isZero() const { return m_value==0. && m_imaginaryPart==0.; }
virtual bool matches(const Object* exp, QMap< QString, const Object* >* found) const;
/*/** Sets whether it is a correct Cn.
void setCorrect(bool b) {m_correct = b; }*/
std::complex<double> complexValue() const;
virtual Object* copy() const;
static Cn pi();
static Cn e();
static Cn euler();
private:
union { double m_value; ushort m_char; };
double m_imaginaryPart;
enum ValueFormat m_format;
};
}
#endif
|