Robert Greimel <greimel@xxxxxxxxxx> writes: > I have a question regarding function overloading: > assume that you have a function that takes several numeric arguments - > lets for example say 4 arguments: f(a,b,c,d) > Now further assume that internally in the function the first thing you > do is to convert the arguments to double precision, do your calculations > and return the result always in double precision. > In order to allow for all combinations of numeric > (int2,int4,int8,float4,float8) inputs one would now have to define and > write 5^4 = 625 functions !!!!!!!!!!!!!!! > Apart from forcing the function user to use casts, is there any other > way to avoid this madness of writing 625 functions ? I don't see why you need more than one function, taking all double-precision arguments ... regards, tom lane
