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Jan 20th, 2020
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  1. bigIntT mul(bigIntT a, bigIntT b) {
  2.     int i, j, digitsum;
  3.     int carry = 0;
  4.     bigIntT sum = newBigInt("0") , temp = newBigInt("0");
  5.  
  6.     for (i = 0; i < NUMBEROFDIGITS; i++) {
  7.  
  8.         for (j = 0; j < NUMBEROFDIGITS; j++) {
  9.  
  10.    
  11.             digitsum = a[i] * (b[j] + carry);
  12.             temp[j] = digitsum % 10;
  13.             carry = digitsum / 10;
  14.  
  15.             } // slut på j for loop
  16.        
  17.  
  18.         addTo(sum, temp);
  19.  
  20.         } // slut på i for loop
  21.     return sum;
  22. }
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