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// file: kbox3d.h
// update: 11/30/02
#ifndef _KBOX3D_H
#define _KBOX3D_H
#include <cassert>
#include <cstdlib>
#include <iostream>
#include "bigrational.h"
using namespace std;
class K_BOX3D
{
friend class K_SURF;
friend class K_SOLID;
bigrational low[3];
bigrational high[3];
int low_infty[3]; // - 1 iff low[i] or high[i] is - infty
int high_infty[3]; // 1 iff low[i] or high[i] is + infty
// 0 otherwise, i.e., low[i] or high[i] is bigrational
// stream
ostream& output(ostream&) const;
// comparisons
public:
int overlap(const K_BOX3D&) const;
int contains(const K_BOX3D&) const;
//public:
// constructors, assignment and destructor
K_BOX3D();
K_BOX3D(const bigrational&, const bigrational&,
const bigrational&, const bigrational&,
const bigrational&, const bigrational&);
K_BOX3D(const bigrational* const, const bigrational* const);
K_BOX3D(const K_BOX3D&);
K_BOX3D& operator =(const K_BOX3D&);
~K_BOX3D();
// stream
friend ostream& operator <<(ostream&, const K_BOX3D&);
};
#endif
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