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| template<class T, unsigned int d> class Vector{
private:
T* coord;
public:
constexpr Vector(): coord(new T[d]) {}
constexpr Vector(const Vector& v): coord(new T[d]) {
for(uint i=0; i<d; ++i)
coord[i]=v.coord[i];
};
template<typename... Ts>
constexpr Vector(Ts&&... coords) : coord(new T[d]{std::forward<Ts>(coords)...}){
static_assert(sizeof...(Ts) == d, "You must provide d arguments.");
}
constexpr Vector(Vector&& v){
coord = v.coord;
v.coord = nullptr;
};
constexpr Vector(const T &value){
coord = new T[d];
for(uint i=0; i<d; ++i)
coord[i]=value;
}
inline constexpr T& operator[](uint i){
return coord[i];
}
inline constexpr const T& operator[](uint i) const{
return coord[i];
}
constexpr bool operator==(const Vector<T,d>& vector) const{
for(uint i=0; i<d; ++i){
if(coord[i]!=vector.coord[i])
return false;
}
return true;
}
constexpr bool operator!=(const Vector<T,d>& vector) const{
for(uint i=0; i<d; ++i){
if(coord[i]!=vector.coord[i])
return true;
}
return false;
}
constexpr Vector<T,d> operator+(const Vector<T,d>& vector) const{
Vector<T,d> v=Vector<T,d>();
for(uint i=0; i<d; ++i){
v.coord[i]=coord[i]+vector.coord[i];
}
return v;
}
constexpr Vector<T,d> operator-(const Vector<T,d>& vector) const{
Vector<T,d> v=Vector<T,d>();
for(uint i=0; i<d; ++i){
v.coord[i]=coord[i]-vector.coord[i];
}
return v;
}
constexpr Vector<T,d> operator/(const T& t) const{
Vector<T,d> v=Vector<T,d>();
for(uint i=0; i<d; ++i){
v.coord[i]=coord[i]/t;
}
return v;
}
constexpr Vector<T,d> operator*(const T& t) const{
Vector<T,d> v;
for(uint i=0; i<d; ++i){
v.coord[i]=coord[i]*t;
}
return v;
}
constexpr auto operator*=(const T& t) &{
for(uint i=0; i<d; ++i){
coord[i]*=t;
}
return this;
}
constexpr auto operator/=(const T& t) &{
for(uint i=0; i<d; ++i){
coord[i]/=t;
}
return this;
}
constexpr auto operator+=(const Vector<T,d>& vector)&{
for(uint i=0; i<d; ++i){
coord[i]+=vector.coord[i];
}
return this;
}
constexpr auto operator-=(const Vector<T,d>& vector)&{
for(uint i=0; i<d; ++i){
coord[i]-=vector.coord[i];
}
return this;
}
constexpr Vector<T,d>& operator=(const Vector<T,d>& vector){
if(this!=&vector)
for(uint i=0; i<d; ++i){
coord[i]=vector.coord[i];
}
return *this;
}
~Vector(){
delete[] coord;
};
// Handlers
inline constexpr T& x(){
static_assert(d==2||d==3, "This handler is undefined for this dimension.");
return coord[0];
}
inline constexpr const T& x() const{
static_assert(d==2||d==3, "This handler is undefined for this dimension.");
return coord[0];
}
inline constexpr T& y(){
static_assert(d==2||d==3, "This handler is undefined for this dimension.");
return coord[1];
}
inline constexpr const T& y() const{
static_assert(d==2||d==3, "This handler is undefined for this dimension.");
return coord[1];
}
inline constexpr T& z(){
static_assert(d==3, "This handler is undefined for this dimension.");
return coord[2];
}
inline constexpr const T& z() const{
static_assert(d==3, "This handler is undefined for this dimension.");
return coord[2];
}
}; |
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