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Modulus Inquiry

 
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chingB



Joined: 29 Dec 2003
Posts: 81

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Modulus Inquiry
PostPosted: Thu Jul 29, 2004 5:08 pm     Reply with quote
Hi

I have a 16bit integer say... 2356 and I want to store it as a 4 8bit variable.. e.g.
var1 = 2;
var2 = 3;
var3 = 5;
var6 = 6;

I understand using modulus would help... anyone have any great idea in handling this in the most effecient way...

A code snippet will help...

thnx
Guest
PostPosted: Thu Jul 29, 2004 11:09 pm     Reply with quote
It can be done with modulus, but sprintf is easier.
Example:


Code:
int8 array[6];
int8 i;
int16 num = 2356;
 
void main()
{

   // With sprintf
   sprintf(array,"%lu",num);

   for (i=0;i<4;i++)
      putc(array[i]);
   putc('\n');
   putc('\r');   
   
   
   // With modulus
   while (i <= 4) {
     if (i != 0) num /= 10;   // Don't need to divide to get units digit
     array[i] = num % 10;
     i++;
   }

   for (i=0;i<5;i++)
      putc(array[i]);
     
   putc('\n');
   putc('\r');   
     
   while(1);   
   

}
Guest
PostPosted: Fri Jul 30, 2004 12:38 am     Reply with quote
Thank u.
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