informatique 4

template<class T> matrix& operator*=(matrix& x, T value)
{
                vector<T> elem2 = x.getElem();
                int size = elem2.size();
                for (int i=0; i<size; i++)
                               (x.getElem())[i] *= value;
                return x;
};
//operator|
template<class T> bool operator|(const vector& tv, const matrix& x)
{
                //right matrix.
                int rLines = x.getElem().size()/x.getJump();
                //left vector.
                int lCols = tv.size();
                if (rLines != lCols)
                               return false;
                return true;
};
//operator|
template<class T> bool operator|(const matrix& x, const vector& v)
{
                //left matrix.
                int rLines = x.getJump();
                //right vector.
                int lCols = v.size();
                if (rLines != lCols)
                               return false;
                return true;
};
//Multiplication tV*X
template<class T> vector operator*(vector& tv, matrix& x)
{
                int size = x.getJump();
                vector<T> res(size);
                vector<T> cols;
                T value = T();
                for (int i=1; i<=size; i++)
                {
                               cols = x.getCol(i);
                               value = ScalarPositive<T>(tv, cols);
                               res[i-1] = value;
                }
                return res;
};
//Multiplication X*V
template<class T> vector operator*(matrix& x, vector& v)
{
                //Retourne une matrice de jump = 1.
                int size = x.getElem().size()/x.getJump();
                vector<T> res(size);
                vector<T> lines;
                T value = T();
                for (int i=1; i<=size; i++)
                {
                               lines = x.getLine(i);
                               value = ScalarPositive<T>(v, lines);
                               res[i-1] = value;
                }
                return res;
};

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