@nicks
K&R says
"A warning: printf uses its first argument to decide how many
arguments follow and what their type are. It will get confused and you
will get wrong answer. if there are not enough arguments or if they
are the wrong types."
I think that is the reason for unpredictable output.
On Jun 5, 9:08 am, nicks <crazy.logic.k...@gmail.com> wrote:
> read how the floating numbers are stored in memory it will help....
>
> i understood the most except this ---
>
> float p=4.5;
> printf("\n%f,%d",p,p);
>
> *output -
> *4.500000,0
>
> and if we use
> printf("\n%d,%f",p,p);
>
> *output -
> *0,0.00000
>
> i want to know why just changing the order of %d and %f is changing the
> output..........plz help !!
>
>
>
>
>
>
>
> On Sat, Jun 4, 2011 at 12:13 PM, Anika Jain <anika.jai...@gmail.com> wrote:
> > read ch1 in understanding pointers in c by kanetkar.. it says tht if u use
> > %d format specifier to print a float an unknown value will come.. and if use
> > %f to print an integer then also unknown value will come.. so u r not
> > supposed to switch format specifiers like this
>
> > On Sun, Jun 5, 2011 at 12:33 AM, Rohit Sindhu <
> > rohit.sindhu.spec...@gmail.com> wrote:
>
> >> Your format specifiers in the printf statements are not right.
> >> Also integers and floats are stored differently internally. Also, you have
> >> to explicitly cast float into int as automatic conversion is not applicable
> >> here in printf.
>
> >> I hope this code helps your cause ,
>
> >> #include<stdio.h>
>
> >> int main()
> >> {
> >> float a[]={13.24,1.5,1.5,5.4,3.5};
> >> float *j;
> >> j=a;
> >> j=j+4;
> >> printf("\n%p,%f,%f",j,*j,a[4]);
>
> >> float p=3.5;
> >> printf("\n%f,%d",p,(int)p);
>
> >> p=4.5;
> >> printf("\n%d,%f",(int)p,p);
>
> >> }
>
> >> On Sat, Jun 4, 2011 at 2:21 PM, himanshi narang <
> >> himanshinarang...@gmail.com> wrote:
>
> >>> #include<stdio.h>
>
> >>> int main()
> >>> {
> >>> float a[]={13.24,1.5,1.5,5.4,3.5};
> >>> float *j;
> >>> j=a;
> >>> j=j+4;
> >>> printf("\n%d,%d,%d",j,*j,a[4]);
>
> >>> float p=3.5;
> >>> printf("\n%f,%d",p,p);
>
> >>> p=4.5;
> >>> printf("\n%d,%f",p,p);
>
> >>> }
>
> >>> output----
> >>> -1080027596,0,1074528256
> >>> 3.500000,0
> >>> 0,0.000000
>
> >>> plzz explain y i m getting dis output......
>
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> >> --
> >> Rohit Sindhu
>
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