refactoring: rename variables in addition_float and struct data

src/addition.c

@@ -9,9 +9,9 @@ struct data
         float floating;
         unsigned int integer;
     } number;
-    unsigned int s;
-    unsigned int e;
-    unsigned int p;
+    unsigned int sign;
+    unsigned int exponent;
+    unsigned int precision;
 };
 
 // full_adder is an implementation of two bit addition with carry
@@ -83,20 +83,20 @@ float addition_float(float number1, float number2) {
     unsigned int e = 8388608;
     struct data num1, num2, num3;
     num1.number.floating = number1, num2.number.floating = number2;
-    num1.s = sign(num1.number.integer), num2.s = sign(num2.number.integer);
-    num1.e = exponent(num1.number.integer), num2.e = exponent(num2.number.integer);
-    num1.p = precision(num1.number.integer) | e, num2.p = precision(num2.number.integer) | e;
-
-    num3.p = addition_precision(num1.p, num2.p >> (num1.e - num2.e));
-    if (num3.p > 16777215) {
-        num3.e = addition(num1.e, 1);
-        num3.p = (num3.p >> 1); 
+    num1.sign = sign(num1.number.integer), num2.sign = sign(num2.number.integer);
+    num1.exponent = exponent(num1.number.integer), num2.exponent = exponent(num2.number.integer);
+    num1.precision = precision(num1.number.integer) | e, num2.precision = precision(num2.number.integer) | e;
+
+    num3.precision = addition_precision(num1.precision, num2.precision >> (num1.exponent - num2.exponent));
+    if (num3.precision > 16777215) {
+        num3.exponent = addition(num1.exponent, 1);
+        num3.precision = (num3.precision >> 1);
     }
     else {
-        num3.e = num1.e;
+        num3.exponent = num1.exponent;
     }
-    num3.p ^= e;
-    num3.number.integer = output(num1.s, num3.e, num3.p);
+    num3.precision ^= e;
+    num3.number.integer = output(num1.sign, num3.exponent, num3.precision);
 
     return num3.number.floating;
 }