http://www.cplusplus.com/reference/algorithm/swap/
On Wed, Jul 13, 2011 at 10:40 AM, Aniket Dutta wrote:
> what about a generic swap function which works for structures also?
>
>
> On Wed, Jul 13, 2011 at 2:23 AM, Don wrote:
>
>> To check for overflow, use condition:
>>
>> if (b > (maxuint-a))
>
Try it. It should work fine.
Regards,
Sandeep Jain
On Wed, Jul 13, 2011 at 10:40 AM, Aniket Dutta wrote:
> what about a generic swap function which works for structures also?
>
>
> On Wed, Jul 13, 2011 at 2:23 AM, Don wrote:
>
>> To check for overflow, use condition:
>>
>> if (b > (maxuint-a
what about a generic swap function which works for structures also?
On Wed, Jul 13, 2011 at 2:23 AM, Don wrote:
> To check for overflow, use condition:
>
> if (b > (maxuint-a))
> return error;
>
> Where maxuint is the largest value which can be stored in an unsigned
> integer.
>
> Don
>
> On Ju
To check for overflow, use condition:
if (b > (maxuint-a))
return error;
Where maxuint is the largest value which can be stored in an unsigned
integer.
Don
On Jul 8, 5:50 am, vikas wrote:
> Q1 - write a generic macro to swap two values (int,float,double,pointers as
> well )
>
> Q2 - Implemen
#define SWAP(f,type)
f(type x, type y)\
{\
type z; z=x, x=y,y=z; \
}
swap(M_INT, int)
swap(M_FLT,float)
swap(m_double,double)
int main()
{
int p =5,q=4;
float r=5.4,s=6.9;
double v=6.5,w=6.9;
swap(p,q);
swap(r,s);
swap(v,w);
}
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@Tendura: This violates the sequence point rule. Results are
undefined.
Dave
On Jul 12, 2:02 pm, tendua <6fae1ce6347...@gmail.com> wrote:
> regarding question to the generic macro to swap int, float, double
>
> # define swap(a,b) ((a)^=(b)^=(a)^=(b))
>
> On Jul 12, 10:08 pm, Aniket Dutta wrote:
regarding question to the generic macro to swap int, float, double
# define swap(a,b) ((a)^=(b)^=(a)^=(b))
On Jul 12, 10:08 pm, Aniket Dutta wrote:
> c=a+b
> then find b=c-a;
> if this b equals previous one then ok else overflow
>
> On 7/9/11, John Hayes wrote:
>
> > regarding question relate
