Re: [algogeeks] Fwd: why we can not swap values using macro?
macros i thnik cant swap pointers..i have doubt for same it is test ur c
skil question
On Sun, Oct 9, 2011 at 10:08 PM, sunny agrawal sunny816.i...@gmail.comwrote:
because you have not made any call to swap values of x and y
I Don't know what you are trying to do here
if you want to swap values why are you not calling macro swap(x,y,int)
you are making a macro call to swap pointers and you can check that pointer
will get swapped.
On Sun, Oct 9, 2011 at 9:20 PM, Rajesh Kumar testalgori...@gmail.comwrote:
-- Forwarded message --
From: Rajesh Kumar testalgori...@gmail.com
Date: Sun, Oct 9, 2011 at 2:58 PM
Subject: why we can not swap values using macro?
To: algogeeks@googlegroups.com
why this code doesn't swap values of x and y?
#includestdio.h
#define swap(a,b,c) c t;t=a,a=b,b=t;
main()
{
float x=10,y=20;
float *p,*q;
p=x,q=y;
swap(p,q,float *);
printf(%d %d\n,x,y);
}
--
Regards
Rajesh Kumar
--
Regards
Rajesh Kumar
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Indian Institute Of Technology,Roorkee
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Re: [algogeeks] Fwd: why we can not swap values using macro?
Macros can Swap Pointers. and That is what the above code is doing.
On Mon, Oct 10, 2011 at 5:52 PM, rahul sharma rahul23111...@gmail.comwrote:
macros i thnik cant swap pointers..i have doubt for same it is test ur c
skil question
On Sun, Oct 9, 2011 at 10:08 PM, sunny agrawal sunny816.i...@gmail.comwrote:
because you have not made any call to swap values of x and y
I Don't know what you are trying to do here
if you want to swap values why are you not calling macro swap(x,y,int)
you are making a macro call to swap pointers and you can check that
pointer will get swapped.
On Sun, Oct 9, 2011 at 9:20 PM, Rajesh Kumar testalgori...@gmail.comwrote:
-- Forwarded message --
From: Rajesh Kumar testalgori...@gmail.com
Date: Sun, Oct 9, 2011 at 2:58 PM
Subject: why we can not swap values using macro?
To: algogeeks@googlegroups.com
why this code doesn't swap values of x and y?
#includestdio.h
#define swap(a,b,c) c t;t=a,a=b,b=t;
main()
{
float x=10,y=20;
float *p,*q;
p=x,q=y;
swap(p,q,float *);
printf(%d %d\n,x,y);
}
--
Regards
Rajesh Kumar
--
Regards
Rajesh Kumar
--
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Sunny Aggrawal
B.Tech. V year,CSI
Indian Institute Of Technology,Roorkee
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B.Tech. V year,CSI
Indian Institute Of Technology,Roorkee
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Re: [algogeeks] Fwd: why we can not swap values using macro?
because you have not made any call to swap values of x and y
I Don't know what you are trying to do here
if you want to swap values why are you not calling macro swap(x,y,int)
you are making a macro call to swap pointers and you can check that pointer
will get swapped.
On Sun, Oct 9, 2011 at 9:20 PM, Rajesh Kumar testalgori...@gmail.comwrote:
-- Forwarded message --
From: Rajesh Kumar testalgori...@gmail.com
Date: Sun, Oct 9, 2011 at 2:58 PM
Subject: why we can not swap values using macro?
To: algogeeks@googlegroups.com
why this code doesn't swap values of x and y?
#includestdio.h
#define swap(a,b,c) c t;t=a,a=b,b=t;
main()
{
float x=10,y=20;
float *p,*q;
p=x,q=y;
swap(p,q,float *);
printf(%d %d\n,x,y);
}
--
Regards
Rajesh Kumar
--
Regards
Rajesh Kumar
--
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--
Sunny Aggrawal
B.Tech. V year,CSI
Indian Institute Of Technology,Roorkee
--
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