As int is already an Integer,
all these methods simply return the receiver.
/*
* call-seq:
* int.to_i => int
* int.to_int => int
* int.floor => int
* int.ceil => int
* int.round => int
* int.truncate => int
*
* As <i>int</i> is already an <code>Integer</code>, all these
* methods simply return the receiver.
*/
static VALUE
int_to_i(num)
VALUE num;
{
return num;
}