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/* Vecor.h
Sven
10/09/2209
*/
#include <iostream>
#include <iterator>
#include <algorithm>
#include <boost/type_traits.hpp>
#ifndef VECTOR_H
#define VECTOR_H
namespace CRB {
template<class T, std::size_t N>
class array {
public:
T elems[N]; // fixed-size array of elements of type T
public:
// type definitions
typedef T value_type;
typedef T* iterator;
typedef const T* const_iterator;
typedef T& reference;
typedef const T& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
// iterator support
iterator begin() { return elems; }
const_iterator begin() const { return elems; }
iterator end() { return elems+N; }
const_iterator end() const { return elems+N; }
reference operator[](size_type i)
{
BOOST_ASSERT( i < N && "out of range" );
return elems[i];
}
const_reference operator[](size_type i) const
{
BOOST_ASSERT( i < N && "out of range" );
return elems[i];
}
// front() and back()
reference front()
{
return elems[0];
}
const_reference front() const
{
return elems[0];
}
reference back()
{
return elems[N-1];
}
const_reference back() const
{
return elems[N-1];
}
// size is constant
static size_type size() { return N; }
static bool empty() { return false; }
static size_type max_size() { return N; }
enum { static_size = N };
// direct access to data (read-only)
const T* data() const { return elems; }
T* data() { return elems; }
// assign one value to all elements
void assign (const T& value)
{
std::fill_n(begin(),size(),value);
}
};
//Vectorial opérations
template<class T, std::size_t N>
bool operator== (const array<T,N>& x, const array<T,N>& y) {
return std::equal(x.begin(), x.end(), y.begin());
}
template<class T, std::size_t N>
bool operator< (const array<T,N>& x, const array<T,N>& y) {
return std::lexicographical_compare(x.begin(),x.end(),y.begin(),y.end());
}
template<class T, std::size_t N>
bool operator!= (const array<T,N>& x, const array<T,N>& y) {
return !(x==y);
}
template<class T, std::size_t N>
bool operator> (const array<T,N>& x, const array<T,N>& y) {
return y<x;
}
template<class T, std::size_t N>
bool operator<= (const array<T,N>& x, const array<T,N>& y) {
return !(y<x);
}
template<class T, std::size_t N>
bool operator>= (const array<T,N>& x, const array<T,N>& y) {
return !(x<y);
}
template<class T>
T& operator+=(T& x, const T& y)
{
for(unsigned long i = 0; i < x.size(); ++i)
{
x[i] += y[i];
}
return x;
}
template<class T>
T& operator-=(T& x, const T& y)
{
for(unsigned long i = 0; i < x.size(); ++i)
{
x[i] -= y[i];
}
return x;
}
template<class T> /// c'est ici que ca marche plus
T operator*=(T& x, const T& y)
{
for(unsigned long i = 0; i < x.size(); ++i)
{
x[i] =(x[i] *= y[i]);
}
return x;
}
}
#endif |