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rCADDMESH/src/libqhullrcpp/Coordinates.cpp
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Coordinates.cpp
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/****************************************************************************
**
** Copyright (c) 2009-2012 C.B. Barber. All rights reserved.
** $Id: //main/2011/qhull/src/libqhullrcpp/Coordinates.cpp#1 $$Change: 1640 $
** $DateTime: 2014/01/15 09:12:08 $$Author: bbarber $
**
****************************************************************************/
#include "functionObjects.h"
#include "QhullError.h"
#include "Coordinates.h"
#include <iostream>
#include <iterator>
#include <algorithm>
#ifdef _MSC_VER // Microsoft Visual C++ -- warning level 4
#endif
namespace orgQhull {
#//! Coordinates -- vector of coordT (normally double)
#//Element access
// Inefficient without result-value-optimization or implicitly shared object
Coordinates Coordinates::
mid(int idx, int length) const
{
int newLength= length;
if(length<0 || idx+length > count()){
newLength= count()-idx;
}
Coordinates result;
if(newLength>0){
std::copy(begin()+idx, begin()+(idx+newLength), std::back_inserter(result));
}
return result;
}//mid
coordT Coordinates::
value(int idx, const coordT &defaultValue) const
{
return ((idx < 0 || idx >= count()) ? defaultValue : (*this)[idx]);
}//value
#//Operator
Coordinates Coordinates::
operator+(const Coordinates &other) const
{
Coordinates result(*this);
std::copy(other.begin(), other.end(), std::back_inserter(result));
return result;
}//operator+
Coordinates & Coordinates::
operator+=(const Coordinates &other)
{
if(&other==this){
Coordinates clone(other);
std::copy(clone.begin(), clone.end(), std::back_inserter(*this));
}else{
std::copy(other.begin(), other.end(), std::back_inserter(*this));
}
return *this;
}//operator+=
#//Read-write
coordT Coordinates::
takeAt(int idx)
{
coordT c= at(idx);
erase(begin()+idx);
return c;
}//takeAt
coordT Coordinates::
takeLast()
{
coordT c= last();
removeLast();
return c;
}//takeLast
void Coordinates::
swap(int idx, int other)
{
coordT c= at(idx);
at(idx)= at(other);
at(other)= c;
}//swap
#//Search
bool Coordinates::
contains(const coordT &t) const
{
CoordinatesIterator i(*this);
return i.findNext(t);
}//contains
int Coordinates::
count(const coordT &t) const
{
CoordinatesIterator i(*this);
int result= 0;
while(i.findNext(t)){
++result;
}
return result;
}//count
int Coordinates::
indexOf(const coordT &t, int from) const
{
if(from<0){
from += count();
if(from<0){
from= 0;
}
}
if(from<count()){
const_iterator i= begin()+from;
while(i!=constEnd()){
if(*i==t){
return (static_cast<int>(i-begin())); // WARN64
}
++i;
}
}
return -1;
}//indexOf
int Coordinates::
lastIndexOf(const coordT &t, int from) const
{
if(from<0){
from += count();
}else if(from>=count()){
from= count()-1;
}
if(from>=0){
const_iterator i= begin()+from+1;
while(i-- != constBegin()){
if(*i==t){
return (static_cast<int>(i-begin())); // WARN64
}
}
}
return -1;
}//lastIndexOf
void Coordinates::
removeAll(const coordT &t)
{
MutableCoordinatesIterator i(*this);
while(i.findNext(t)){
i.remove();
}
}//removeAll
}//namespace orgQhull
#//Global functions
using std::endl;
using std::istream;
using std::ostream;
using std::string;
using std::ws;
using orgQhull::Coordinates;
ostream &
operator<<(ostream &os, const Coordinates &cs)
{
Coordinates::const_iterator c= cs.begin();
for(int i=cs.count(); i--; ){
os << *c++ << " ";
}
return os;
}//operator<<
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