Update

fixed_point.md

@@ -43,13 +43,13 @@ float
   a = 21,
   b = 3.0 / 4.0,
   c = -10.0 / 3.0;
-  
+
 a = a * b;   // multiplication
 a += c;      // addition
 a /= b;      // division
 a -= 10;     // subtraction
 a /= 3;      // division
-  
+
 printf("%f\n",a);
 ```
 
@@ -68,7 +68,7 @@ a += c;                 // addition, no normalization needed
 a = (a * UNIT) / b;     // division, normalization needed, note the brackets
 a -= 10 * UNIT;         // subtraction
 a /= 3;                 // division by a number NOT in UNITs, no normalization needed
-  
+
 printf("%d.%d%d%d\n",   // writing a nice printing function is left as an exercise :)
   a / UNIT,
   ((a * 10) / UNIT) % 10,
@@ -94,7 +94,7 @@ Fixed fixedSqrt(Fixed x)
   // stupid brute force square root
 
   int previousError = -1;
-  
+
   for (int test = 0; test <= x; ++test)
   {
     int error = x - (test * test) / UNIT_FRACTIONS;
@@ -124,12 +124,12 @@ int main(void)
   for (int i = 0; i <= 10; ++i)
   {
     printf("%d: ",i);
-    
+
     fixedPrint(fixedSqrt(INT_TO_FIXED(i)));
-    
+
     putchar('\n');
   }
-  
+
   return 0;
 }
 ```