//Vector //by baptiste prunier // do not hesitate to give me idea //to improve this code such as new //features or just optimisations :) #include #include #include using namespace std; template class Vector; template ostream& operator<<(ostream& os,const Vector& vect); template class Vector{ public: Vector(); Vector(unsigned int size,unsigned int inc=50); ~Vector(); void add(T value); T pop(); void insert(T value,unsigned int id); T del(unsigned int id); unsigned int length() const; //operators T& operator[](unsigned int id) const; T operator*(const Vector& v); Vector operator*(const T& value); Vector operator+(const Vector& v); Vector operator-(const Vector& v); // =, +=, -=, *= void operator=(const Vector& v); void operator*=(const T& value); void operator+=(const Vector& v); void operator-=(const Vector& v); private: unsigned int size=0; unsigned int trueSize; const unsigned int incSize; T* values; friend ostream& operator<< <>(ostream& os,const Vector& v); }; template Vector createVector(unsigned int size,T value); template Vector operator*(const T& value,const Vector& v); int main() { Vector v1(1), v2=createVector(6,1); v1.add(1); v1.add(2); v1.add(3); v1.add(4); v1.add(5); v1.add(6); cout<<"Vector 1 : "< void Vector::insert(T value,unsigned int id){ T* tab; if(id>=size){ add(value); }else if(size==trueSize){ tab=new T[size+incSize]; copy(values,values+id,tab); copy(values+id,values+trueSize,tab+id+1); tab[id]=value; ++size; trueSize+=incSize; delete[] values; values=tab; }else{ for(int i=size;i>id;--i){ values[i]=values[i-1]; } values[id]=value; ++size; } } template T Vector::del(unsigned int id){ T deleted; if(!size){ throw "Error in Vector::del : nothing to be deleted"; }else if(id>=size){ throw "Error in Vector::del : index out of range"; } deleted=values[id]; copy(values+id+1,values+size,values+id); --size; return deleted; } template unsigned int Vector::length() const{ return size; } template T& Vector::operator[](unsigned int id) const{ if(id>=size){ throw "Error in Vector::operator[] : index out of bound"; } return values[id]; } template T Vector::operator*(const Vector& v){ T prod={}; for(int i=0;i Vector Vector::operator*(const T& value){ Vector v(size,incSize); for(int i=0;i Vector Vector::operator+(const Vector& v){ Vector newVect(size); for(int i=0;i Vector Vector::operator-(const Vector& v){ Vector newVect(size); for(int i=0;i void Vector::operator=(const Vector& v){ copy(v,v+size,values); } template void Vector::operator*=(const T& value){ for_each(values,values+size,[value](T v){return v*value;}); } template void Vector::operator+=(const Vector& v){ for(int i=0;i void Vector::operator-=(const Vector& v){ for(int i=0;i Vector createVector(unsigned int size,T value){ Vector vec(size); for(int i=0;i ostream& operator<<(ostream& os,const Vector& vect){ for(int i=0;i Vector operator*(const T& value,const Vector& v){ Vector newVect(v.length()); for(int i=0;i

recode of Vector