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130 lines
3.5 KiB
130 lines
3.5 KiB
//-*-C++-*-
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2002 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMPOLYNOMEXPONENTS_H
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#define PMPOLYNOMEXPONENTS_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <tqptrlist.h>
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#include <tqvaluelist.h>
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/**
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* Helper class for the @ref PMPolynomBaseEdit widget
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*/
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class PMPolynomExponents
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{
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public:
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/**
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* All exponents are initialized with 0
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*/
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PMPolynomExponents( )
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{
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m_exponents[0] = m_exponents[1] = m_exponents[2] = 0;
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}
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/**
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* The exponents are initialized with x, y, z
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*/
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PMPolynomExponents( int x, int y, int z )
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{
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m_exponents[0] = x;
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m_exponents[1] = y;
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m_exponents[2] = z;
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}
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/**
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* Returns the ith exponent
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*/
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int exponent( int i ) const { return m_exponents[i]; }
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/**
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* Sets the ith exponent
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*/
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void setExponent( int i, int exp ) { m_exponents[i] = exp; }
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/**
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* Returns the x exponent
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*/
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int xExponent( ) const { return m_exponents[0]; }
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/**
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* Sets the x exponent
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*/
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void setXExponent( int exp ) { m_exponents[0] = exp; }
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/**
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* Returns the y exponent
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*/
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int yExponent( ) const { return m_exponents[1]; }
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/**
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* Sets the y exponent
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*/
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void setYExponent( int exp ) { m_exponents[1] = exp; }
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/**
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* Returns the z exponent
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*/
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int zExponent( ) const { return m_exponents[2]; }
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/**
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* Sets the z exponent
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*/
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void setZExponent( int exp ) { m_exponents[2] = exp; }
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bool operator== ( const PMPolynomExponents& e ) const
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{
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return ( m_exponents[0] == e.m_exponents[0] ) &&
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( m_exponents[1] == e.m_exponents[1] ) &&
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( m_exponents[2] == e.m_exponents[2] );
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}
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bool operator!= ( const PMPolynomExponents& e ) const
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{
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return !( *this == e );
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}
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PMPolynomExponents& operator= ( const PMPolynomExponents& p )
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{
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m_exponents[0] = p.m_exponents[0];
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m_exponents[1] = p.m_exponents[1];
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m_exponents[2] = p.m_exponents[2];
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return *this;
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}
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friend PMPolynomExponents operator+ ( const PMPolynomExponents& p1,
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const PMPolynomExponents& p2 );
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/**
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* Returns the sum of the exponents
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*/
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int sum( ) const { return m_exponents[0] + m_exponents[1] + m_exponents[2]; }
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private:
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int m_exponents[3];
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// static stuff
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public:
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/**
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* Returns the exponents for a polynom with order n ( 2 <= n <= 7 )
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*/
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static TQValueList<PMPolynomExponents>& polynom( int n );
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private:
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static TQValueList<PMPolynomExponents> //...
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recPolynom( const PMPolynomExponents& base, int xyz, int n, int rem );
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static bool m_created[6];
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static TQValueList<PMPolynomExponents> m_lists[6];
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};
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#endif
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