Macro in main function

[HIRA HAMEED]

hi
if some one know the asnswer of this question then send me
thnaks
macros in which swap two number without using 3rd variable and then call
Macro in main function

[DeMan]

Hi HIRA HAMEED,
Welcome to thescripts. I'm sure you will find a wealth of information available here. At this stage, I am not sure how best to classify your question, so I will pass it to the "Miscellane ous Question" forum. The experts there may have a better idea of what direction to point you in.

In future, you can access a whole host of forums by selecting from theoptions on the blue bar near the top of the screen.

I hope the experts can help you out!

[pbmods]

Are you looking for a C/C++ macro? Or is this a macro for an application such as MS Word?

[Motoma]

a = a + b;
b = a - b;
a = a - b;

[pbmods]

Check out the XOR Swap Trick.

[Motoma]

Check out the XOR Swap Trick.

You are right, the XOR is much better suited as it will never cause an overflow:

a = a ^ b
b = a ^ b
a = a ^ b

[Savage]

You are right, the XOR is much better suited as it will never cause an overflow:

a = a ^ b
b = a ^ b
a = a ^ b

This will also not cause a overflow.See this thread

Savage

[Motoma]

This will also not cause a overflow.See this thread

Savage

Well, it does overflow, but in C and C++ that overflow does not matter. However, in other languages you may have an exception thrown causing your program to end prematurely. With an XOR this will not happen.

[Savage]

Well, it does overflow, but in C and C++ that overflow does not matter. However, in other languages you may have an exception thrown causing your program to end prematurely. With an XOR this will not happen.

Well,this is a C/C++ forum after all..

:P

Savage

[Motoma]

Well,this is a C/C++ forum after all..

:P

Savage

Check again baby, we're in the Miscellaneous forum.

[Savage]

Check again baby, we're in the Miscellaneous forum.

Duh!

Why did I thought this is C/C++ forum?

LOL

[Motoma]

Duh!

Why did I thought this is C/C++ forum?

LOL

Like I have previously stated: you're crazy!

[pbmods]

Why did I thought this is C/C++ forum?

Because we still don't know what language the original poster is using (hint, hint, HIRA HAMEED...).

[Savage]

Because we still don't know what language the original poster is using (hint, hint, HIRA HAMEED...).

Aha,he posted this in C/C++ forum,now I remember.

Savage

[Motoma]

Aha,he posted this in C/C++ forum,now I remember.

Savage

You sure do have all the answers, don't you Savage?