Re: prod auto-conversion to double

[John W. Eaton]

On 10/21/2013 05:59 PM, Rik wrote:
> 10/21/13
>
> All,
>
> I was investigating factor() for large numbers above bitmax(), but still
> below intmax(), and came across this behavior.  Is this desirable?  Should
> we have a "native" option as we do for sum() so that the full precision can
> be realized?
>
> --Rik
>
> Sample case:
>
> x = int64 ([3, 107, 28059810762433]);
> class (x)
> ans = int64
> y = prod (x)
> y =  9007199254740992
> class (y)
> ans = double
> x(1) * x(2) * x(3)
> ans = 9007199254740993

Yes, it looks like this is already something that Matlab has for prod as 
well as sum.

jwe