Subject:
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RE: legOS development release imminent / C++
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 14 Feb 1999 17:24:24 GMT
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Original-From:
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Paul Curtis <plc@rowley.%AntiSpam%co.uk>
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Viewed:
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3392 times
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Ben,
> Markus L. Noga wrote:
> > I'm worried about compactness with C++ in general. The code • generated by
> > this function is 76 bytes long:
> >
> > void do_sensing_c() {
> > int i;
> > ds_active(&SENSOR_1);
> >
> > for(i=0; i<100; i++) {
> > cputw(SENSOR_1);
> > lcd_refresh();
> > delay(20);
> > }
> > ds_passive(&SENSOR_1);
> > }
> >
> > The exact same thing in C++ generates 232 bytes:
> >
> > void do_sensing_cpp() {
> > Sensor s(Sensor::s1,1);
> >
> > for(int i=0; i<100; i++) {
> > cputw(s.value());
> > lcd_refresh();
> > delay(20);
> > }
> > }
> >
> > A factor of three. I'm not sure whether it's worth treading this
> path.
>
> These don't look exactly the same to me, but without the definition of
> Sensor, its hard to say...
I think you'll find the destructor for Sensor effectively
encapsulates ds_passive().
-- Paul.
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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