Re: [gtk-list] Re: Heisenberg was right?

[Rouat manu <er viking oleane com>]

Rouat manu wrote:

> (from main:)
> 
>   char buffer[32];
>   sprintf (buffer, "%g", p.w);
>   gtk_entry_set_text (GTK_ENTRY (w_entry),buffer);
>   sprintf (buffer, "%g", p.l);
>   gtk_entry_set_text (GTK_ENTRY (l_entry),buffer);
> 
> this works - but the original code was:
> 
>   gtk_entry_set_text (GTK_ENTRY (w_entry),convert_to_char(p.w));
>   gtk_entry_set_text (GTK_ENTRY (l_entry),convert_to_char(p.l));
> 
> and:
> 
> char *convert_to_char(double data)
> {
>   char *c;
>   static char buffer[10];
> 
>   sprintf (buffer, "%g", data);
>   if(data==N_A)
>     sprintf (buffer, "N/A");
>     c=buffer;
>     /* printf("buffer:%g\n",data); */
> 
>   return c;
> }
> 
> It's the convert_to_char function which is screwy, obviously.


Note: the problem occurs when data=N_A 

> 
> Any ideas to implement this differently?
> 
> (note: #define N_A 6e66 - bad idea I guess....Is there a reserved
> symbol or number in C to describe infinity or 'No result' or
> anything?)


regards

manu