This is standard behavior for integer arithmetic. Keeping it simple,
if you have 8 bits only:
2r01111111 == 127
+1
----
2r10000000 == -128
Actually, n - 1 works by addition. 5 - 1 = 5 + (-1) = 5 + (2^8 - 1)
2r00000101 + 2r11111111 = 2r00000100 or 4.
I think it's more a matter of being careful, or of .asFloat'ing
everything when the range might get very large.
hjh
On Tue, Feb 26, 2008 at 4:53 PM, Dan Stowell <
danstowell@...> wrote:
> Hi -
>
> SC goes a bit strange when integers go off the scale:
>
> 1410889248 * 99; // Results in -2055885216
>
> Is this as designed? Since it returns an Integer, it's pretty
> dangerous since it can continue to be used in calculations and can
> corrupt. Would be better if it returned inf, or perhaps even threw
> some kind of exception. Is that feasible?
--
James Harkins /// dewdrop world
jamshark70@...
http://www.dewdrop-world.net"Come said the Muse,
Sing me a song no poet has yet chanted,
Sing me the universal." -- Whitman
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