Double Double End Bag Benefits

The long double function prototypes are identical to the prototypes for their double counterparts, except that the longdouble data type replaces the double data type. The long double versions of these. Sep 19, 2018c#double 定义 the double is a fundamental data type built into the compiler and used to define numeric variables holding numbers with decimal points.

可变参数的调用需要提升到 double [1] because in c variadic function calls, any float argument is promoted (i.e. Converted) to a double, so printf is getting a double and would use va_arg(arglist,.