C++ format in notepad or codeblocks

Write a function Absolute Value (x) that returns the absolute value of x. (The absolute value is the magnitude of x with no sign. Example: the absolute value of -5 is 5 and the absolute value of 7.38 is 7.38). The function and its argument should both have a type float. Write a small program to demonstrate your function Write your own function. Do NOT #include or $.\; Do\; not\; use\; the\; standard\; library\; function\; abs\; ().\; All\; input\; and\; output\; should\; be\; in\; main\; ()\; not\; in\; the\; function$