Negative integer modulo/division
Steven Schveighoffer
schveiguy at yahoo.com
Wed Mar 14 04:27:46 PDT 2012
On Tue, 13 Mar 2012 15:13:01 -0400, bearophile <bearophileHUGS at lycos.com>
wrote:
> For the modulus I sometimes use:
> ((x % y) + y) % y
This might be more efficient (assuming z is your target for this):
if((z = x % y) < 0) z += y;
Though I don't know, maybe the optimizer will reduce to this.
Hard to do it in a single expression without using a function.
-Steve
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