On Mon, 15 Jun 2009, Cameron McCormack wrote: > Ian Hickson: > > How do I know when to use float or double, for types that are supposed to > > represent infinite range? Should I just make everything double? > > If you want more range, sure, use double. Web IDL doesn’t have an > arbitrary precision numeric type. But double specifically means 64-bit > IEEE 754 double precision floating point, here, which is just what JS > Number is (except for the NaNs). Oh. Wouldn't it make more sense for JS compatiblility to have float be 64-bit? It seems bad to have a type that is 32-bit but then have its most common implementation not throw an exception or anything if setting a number that is 64-bit into it. (Or do UAs treat 'float's as 32-bit and trim the numbers when storing them?) -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Monday, 15 June 2009 00:08:46 UTC