If I have a pointer variable indicating memory location in which we have stored what user entered and the pointer is of type volatile if the user gives the character 'a' twice , then this character will not be fetched twice from the memory but only when the character is changed??? This ...
{#define fmt << std::setw( 20 ) <<std::cout <<"Regression line is y = "<< m <<"x + "<< c <<"\n\n"; std::cout << std::fixed << std::setprecision(6); std::cout <<"For comparison (x, y, ypred):\n";for(Data d : data) std::cout fmt d.x fmt d.y fmt m...