From: "Kurt Kuzba" 


From: Roger Scudder
RS>  If the goal is (as you wrote) to
RS>  'get rid of the negative sign'
RS>  take a look at the abs() function.

    Or you could always roll your own on the fly.

#include 
#include 
int main(void)
{
   int test = -33;
   printf("(unsigned)test\t\t\t= %u\n", test);
   printf("(unsigned)0-abs(test)\t\t= %u\n", 0 - abs(test));
   printf("abs(test)\t\t\t= %u\n", test * -(test < 0));
   printf("uint_max\t\t\t= %u\n", UINT_MAX);
   printf("uint_max - (unsigned)test\t= %u\n",
      UINT_MAX - (unsigned)test);
   printf("uint_max + abs(test)\t\t= %u\n", UINT_MAX + abs(test));
   return 0;
}

    As you know, just printing a negative signed number which has
 been cast to unsigned may result in an entirely erroneous result,
 due to the way specific machine data architectures might use the
 most significant bit of a signed number to indicate that it is
 negative.
 The example above should illustrate this oddity when run.
 It really depends on your system architecture, though.

>  kkuzba{at}centurytel.net   http://home.centurytel.net/kkuzba
>  When nothing is done, nothing is left undone. (Tao te Ching #48)

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