Short / long / int literal format

var d = 1.0d; // double
var d0 = 1.0;  // double
var d1 = 1e+3; // double
var d2 = 1e-3; // double
var f = 1.0f; // float
var m = 1.0m; // decimal
var i = 1;   // int
var ui = 1U;  // uint
var ul = 1UL;  // ulong
var l = 1L;  // long