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C:/temp/src/j2k/Beta/Geometry/Linear/Cube.cpp

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// Implementation of class JCube
#ifndef __J2K__JCube_HPP__
#define __J2K__JCube_HPP__

#include <j2k/Fred/Geometry/JCube.hpp>

JCube::JCube()
  : sq( 0.0, 0.0, 0.0 ), area_cache( 0.0 ), volume_cache( 0.0 ) { }

JCube::JCube( double X )
  : sq( X, 0.0, 0.0 ), area_cache( 0.0 ), volume_cache( 0.0 ) { }

JCube::JCube( double X, double Y )
  : sq( X, Y, 0.0 ), area_cache( 0.0 ), volume_cache( 0.0 ) { }

JCube::JCube( double X, double Y, double Length )
  : sq( X, Y, Length ), area_cache( -1.0 ), volume_cache( -1.0 ) { }

////////////////////////////////////////////////////////////////////////////
///  JCube specific functions.                                           ///
////////////////////////////////////////////////////////////////////////////

// Calculate surface area of Cube
double JCube::area() const {   //  Area = 6 * square
  if ( area_cache < 0.0 ) {
    area_cache = 6 * sq.area();
  }
  return area_cache;
}

// Calculate volume of Cube
double JCube::volume() const { // sq.length ^ 3
   if ( volume_cache < 0.0 ) {
     double l = sq.getLength();
     volume_cache = l * l * l;
   }
   return volume_cache;
}

////////////////////////////////////////////////////////////////////////////
///  Square related functions.                                           ///
////////////////////////////////////////////////////////////////////////////

// Set Length
inline void JCube::setLength( double l ) {
  sq.setLength( l );
}

// Get Length
inline double JCube::getLength() const {
  return sq.getLength();
}

////////////////////////////////////////////////////////////////////////////
///  Point related functions.                                            ///
////////////////////////////////////////////////////////////////////////////

// Set the x and y coordinates
inline JCube&  JCube::setPoint( double X, double Y ) {
   sq.setPoint( X, Y );
   return *this;
}

// Set coordinates (r,t)
inline JCube&  JCube::setPolar( double R, double Theta ) {
   sq.setPolar( R, Theta );
   return *this;
}

// Set the x and y coordinates
inline JCube&  JCube::setSquare( double X, double Y, double Length )
{
   sq.setSquare( X, Y, Length );
   return *this;
}

inline JCube&  JCube::setX( double X ) {
   sq.setX( X );
   return *this;
}

inline JCube&  JCube::setY( double Y ) {
   sq.setY( Y );
   return *this;
}

inline JCube&  JCube::setR( double R ) {
   sq.setR( R );
   return *this;
}

inline JCube&  JCube::setAngle( double Theta ) {
   sq.setAngle( Theta );
   return *this;
}

// get x coordinate
inline double getX() const {
  return sq.getX();
}

// get y coordinate
inline double getY() const {
  return sq.getY();
}

// get R coordinate
inline double getR() const {
  return sq.getR();
}

// get Angle
inline double getAngle() const {
  return sq.getAngle();
}

#endif

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