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QhullHyperplane.h
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Sat, Nov 9, 15:21

QhullHyperplane.h
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/****************************************************************************
**
** Copyright (c) 2009-2015 C.B. Barber. All rights reserved.
** $Id: //main/2011/qhull/src/libqhullpcpp/QhullHyperplane.h#3 $$Change: 1810 $
** $DateTime: 2015/01/17 18:28:15 $$Author: bbarber $
**
****************************************************************************/
#ifndef QHHYPERPLANE_H
#define QHHYPERPLANE_H
#include "QhullError.h"
#include "QhullIterator.h"
#include "UsingLibQhull.h"
extern "C" {
#include "libqhull/qhull_a.h"
}
#include <ostream>
namespace orgQhull {
#//!\name ClassRef
class QhullPoint;
#//!\name Types
//! QhullHyperplane as an offset, dimension, and pointer to coordinates
class QhullHyperplane;
//! Java-style iterator for QhullHyperplane coordinates
class QhullHyperplaneIterator;
class QhullHyperplane { // Similar to QhullPoint
private:
#//!\name Fields
coordT * hyperplane_coordinates; // Keep pointers aligned
int hyperplane_dimension;
coordT hyperplane_offset;
public:
#//!\name Subtypes
typedef const coordT * iterator;
typedef const coordT * const_iterator;
typedef QhullHyperplane::iterator Iterator;
typedef QhullHyperplane::const_iterator ConstIterator;
#//!\name Construct
QhullHyperplane() : hyperplane_coordinates(0), hyperplane_dimension(0), hyperplane_offset(0.0) {};
QhullHyperplane(int hyperplaneDimension, coordT *c, coordT hyperplaneOffset) : hyperplane_coordinates(c), hyperplane_dimension(hyperplaneDimension), hyperplane_offset(hyperplaneOffset) {}
// Creates an alias. Does not copy the hyperplane's coordinates. Needed for return by value and parameter passing.
QhullHyperplane(const QhullHyperplane &other) : hyperplane_coordinates(other.hyperplane_coordinates), hyperplane_dimension(other.hyperplane_dimension), hyperplane_offset(other.hyperplane_offset) {}
// Creates an alias. Does not copy the hyperplane's coordinates. Needed for vector<QhullHyperplane>
QhullHyperplane & operator=(const QhullHyperplane &other) { hyperplane_coordinates= other.hyperplane_coordinates; hyperplane_dimension= other.hyperplane_dimension; hyperplane_offset= other.hyperplane_offset; return *this; }
~QhullHyperplane() {}
#//!\name Conversions --
//! Includes offset at end
#ifndef QHULL_NO_STL
std::vector<coordT> toStdVector() const;
#endif //QHULL_NO_STL
#ifdef QHULL_USES_QT
QList<coordT> toQList() const;
#endif //QHULL_USES_QT
#//!\name Read-only
public:
const coordT * coordinates() const { return hyperplane_coordinates; }
coordT * coordinates() { return hyperplane_coordinates; }
int dimension() const { return hyperplane_dimension; }
bool isDefined() const { return hyperplane_coordinates!=0 && hyperplane_dimension>0; }
coordT offset() const { return hyperplane_offset; }
#//!\name Define
void defineAs(int hyperplaneDimension, coordT *c, coordT hyperplaneOffset) { QHULL_ASSERT(hyperplaneDimension>=0); hyperplane_coordinates= c; hyperplane_dimension= hyperplaneDimension; hyperplane_offset= hyperplaneOffset; }
//! Creates an alias to other
void defineAs(QhullHyperplane &other) { hyperplane_coordinates= other.coordinates(); hyperplane_dimension= other.dimension(); hyperplane_offset= other.offset(); }
void setCoordinates(coordT *c) { hyperplane_coordinates= c; }
void setDimension(int hyperplaneDimension) { hyperplane_dimension= hyperplaneDimension; }
void setOffset(coordT hyperplaneOffset) { hyperplane_offset= hyperplaneOffset; }
#//!\name value
double distance(const QhullPoint &p) const;
double norm() const;
#//!\name iterator
iterator begin() { return hyperplane_coordinates; }
const_iterator begin() const { return hyperplane_coordinates; }
const_iterator constBegin() const { return hyperplane_coordinates; }
const_iterator constEnd() const { return hyperplane_coordinates+hyperplane_dimension; }
int count() { return dimension(); }
iterator end() { return hyperplane_coordinates+hyperplane_dimension; }
const_iterator end() const { return hyperplane_coordinates+hyperplane_dimension; }
size_t size() { return (size_t)dimension(); }
#//!\name Operator
bool operator==(const QhullHyperplane &other) const;
bool operator!=(const QhullHyperplane &other) const { return !operator==(other); }
const coordT & operator[](int idx) const { QHULL_ASSERT(idx>=0 && idx<hyperplane_dimension); return *(hyperplane_coordinates+idx); }
coordT & operator[](int idx) { QHULL_ASSERT(idx>=0 && idx<hyperplane_dimension); return *(hyperplane_coordinates+idx); }
#//!\name IO
struct PrintHyperplane{
const QhullHyperplane *hyperplane;
const char * print_message;
const char * hyperplane_offset_message;
PrintHyperplane(const char *message, const char *offsetMessage, const QhullHyperplane &p) : hyperplane(&p), print_message(message), hyperplane_offset_message(offsetMessage) {}
};//PrintHyperplane
PrintHyperplane print() const { return PrintHyperplane(0, 0, *this); }
PrintHyperplane print(const char *message, const char *offsetMessage) const { return PrintHyperplane(message, offsetMessage, *this); }
};//QhullHyperplane
QHULL_DECLARE_SEQUENTIAL_ITERATOR(QhullHyperplane, coordT)
}//namespace orgQhull
#//!\name Global
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullHyperplane::PrintHyperplane &pr);
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullHyperplane &p); //FIXUP QH11015 -- multiple instances if define here
#endif // QHHYPERPLANE_H

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