File indexing completed on 2024-04-28 03:40:46

 /*************************************************************************************
  *  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   *
  *************************************************************************************/
 
 #include "value.h"
 #include "operator.h"
 #include "abstractexpressionvisitor.h"
 
 #include <QDomElement>
 
 
 
 using namespace Analitza;
 
 Object* Cn::copy() const
 {
     Cn *v = new Cn;
     v->m_value = m_value;
     v->m_imaginaryPart = m_imaginaryPart;
     v->m_format = m_format;
     return v;
 }
 
 
 QVariant Cn::accept(AbstractExpressionVisitor* e) const
 {
     return e->visit(this);
 }
 
 bool Cn::setValue(const QDomElement& val)
 {
 //     this->m_vformat=whatValueFormat(val);
     bool wrong=false;
     QString tag = val.tagName();
     m_format=Real;
     m_imaginaryPart=0;
     
     if(tag == QLatin1String("cn")){ // a is a number
         if(val.attribute(QStringLiteral("type"), QStringLiteral("integer")) == QLatin1String("real")) {
             m_value= val.text().trimmed().toDouble(&wrong); //TODO: Base on double not implemented
         } else if(val.attribute(QStringLiteral("type"), QStringLiteral("integer")) == QLatin1String("integer")){
             int base = val.attribute(QStringLiteral("base"), QStringLiteral("10")).toInt(nullptr, 10);
             m_value= val.text().trimmed().toInt(&wrong, base);
             m_format=Integer;
         }
 #if 0
         else if(val.attribute("type") == "e-notation")    { /*TODO: Not implemented */ }
         else if(val.attribute("type") == "rational")        { /*TODO: Not implemented */ }
         else if(val.attribute("type") == "complex-cartesian")    { /*TODO: Not implemented */ }
         else if(val.attribute("type") == "complex-polar")    { /*TODO: Not implemented */ }
 #endif
         else if(val.attribute(QStringLiteral("type")) == QLatin1String("constant")){
             if(val.text() == QLatin1String("&pi;"))            { m_value = pi().m_value; }
             else if (val.text() == QLatin1String("&ee;") || val.text() == QLatin1String("&ExponentialE;")){ m_value = e().m_value; }
             else if (val.text() == QLatin1String("&true;"))    { m_value=1.; m_format=Boolean; }
             else if (val.text() == QLatin1String("&false;"))    { m_value=0.; m_format=Boolean; }
             else if (val.text() == QLatin1String("&gamma;"))    { m_value = 0.5772156649; }
             else if (val.text() == QLatin1String("&ImagniaryI;"))    { m_value=0; m_imaginaryPart=1; m_format=Complex; }
 #if 0
             else if (val.text() == "&infin;")    ; //TODO: Not implemented  }
             else if (val.text() == "&NaN;")        ; //TODO: Not implemented  }*/
 #endif
         }
     }
     return wrong;
 }
 
 Cn Cn::pi() { return Cn(3.1415926535897932384626433); }
 Cn Cn::e() { return Cn(2.718281828); }
 Cn Cn::euler() { return Cn(0.5772156649); }
 
 bool Cn::matches(const Object* exp, QMap< QString, const Object* >*) const
 {
     return exp->type()==type() && *static_cast<const Cn*>(exp)==*this;
 }
 
 void Cn::setValue(const double& v)
 {
     m_format = Real;
     m_value = v;
     m_imaginaryPart = 0;
 }
 
 void Cn::setValue(int v)
 {
     m_format = Integer;
     m_value = v;
     m_imaginaryPart = 0;
 }
 
 void Cn::setValue(uint v)
 {
     m_format = Integer;
     m_value = v;
     m_imaginaryPart = 0;
 }
 
 void Cn::setValue(bool v)
 {
     m_format = Boolean;
     m_value = v;
     m_imaginaryPart = 0;
 }
 
 std::complex<double> Cn::complexValue() const
 {
     return std::complex<double>(m_value, m_imaginaryPart);
 }
 
 void Cn::setValue(std::complex<double> v)
 {
     if(v.imag() == 0)
         setValue(v.real());
     else {
         m_format = Complex;
         m_imaginaryPart = v.imag();
         m_value = v.real();
     }
 }
 
 constexpr bool ourFuzzyCompare(qreal a, qreal b)
 {
     return qAbs(a - b) < std::numeric_limits<double>::epsilon()*2;
 }
 
 bool Cn::operator==(const Analitza::Cn& d) const{
     return ourFuzzyCompare(m_value, d.m_value) && ourFuzzyCompare(m_imaginaryPart, d.m_imaginaryPart);
 }