alloc calloc copy create_vector_view fprintf fscanf get gslobj gslobj is_set max max_index min min_index norm2 operator!= operator*= operator*= operator+ operator+= operator+= operator- operator-= operator/= operator/= operator= operator== operator[] operator[] resize set set_all set_zero size subvector subvector sum v vector vector ~vector

int vector::operator+= ( double  x ) [inline] Function to add to a vector a constant factor. Overloads the += operator. This function adds the constant value x to the elements of the vector a, a'_i = a_i + x.