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no Divide by Zero?
Posted: Sat May 10, 2008 9:32 pm
by bberrevoets
Hi all,
My question is why does the following code just work.
i have used demo8.zip.
give me a divide by zero error, but the above code just works?
Why?
Bert Berrevoets.
Posted: Sun May 11, 2008 4:29 am
by Mike
MSVC++ likes to take out code that is never referenced or used anywhere for performance reasons. If you just dumped that code in MSVC++, it will most likely take it out as it is never used.
Best way to test divide by zero is with inline assembly with MSVC++, or to actually use the variables (Like throwing it into a printf() so the compiler does not do that).
For example, this should generate divide by 0. Notice the call to printf()..
Code: Select all
int a=0,b=1,c;
c=b/a;
DebugPrintf ("%i", c);
Hope this helps -- and welcome to the forums
Posted: Sun May 11, 2008 8:47 am
by bberrevoets
Thanks Yep that was working.
I'm normally working with linux, and i must say the microsoft way is a lot harder, but i like your tutorials and the way MSVS 2005 gives you intiligence and that kind of things.
Can't wait for the next tutorials thanks a lot.
Bert Berrevoets