Re: Some questions

[Joerg Sommer <joerg@xxxxxxxxxxxx>]

begin  Günter Milde <milde@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, Jun 14, 2003 at 08:10:13PM +0000, Joerg Sommer wrote:
>> 
>> is !if (foo) faster then if (foo != 0) or why exists this version of
>> negation?
> 
> Yes, with foo != 0, 2 items need to be pushed on the stack (i.e. it is the
> same as i += 3 vs. i = i+3).

No, there isn't a great difference.
jed -> 5.02, 5.22 = 96%
slsh -> 1.41, 1.53 = 92%

so += needs only 90% of time against =+

Joerg.

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