Implemented Byte to Float conversion (sort of)

src/shardware.adb

@@ -82,15 +82,56 @@ package body Shardware is
     return UnToSignedInt(BytesToU(TheBytes));
   end BytesToI;
 
-  function BytesToF (TheBytes : ByteArr) return Float is 
+  function BytesToF (TheBytes : ByteArr) return Float is
+    Zero : Float := 0.0;
     Result : Float := 0.0;
     TheBits : BitArr (1 .. 32);
     BitBuff : BitArr (1 .. 32);
     Mantissa : Float := 0.0;
+    PowerOfTen : Integer := 0;
+    Exponent : Natural := 0;
+    Sign : Float := 1.0;
   begin
     TheBits := BytesToBits(TheBytes);
 
-    --BitsToBytes(BitBuff);
+    if TheBits (1) then
+      Sign := -1.0;
+    else
+      Sign := 1.0;
+    end if;
+
+    for i in 1 .. 32 loop 
+      if i < 10 then
+        null;
+      else
+        if TheBits (i) then
+          Mantissa := Mantissa + 2.0 ** (-1 * (i - 9));
+        end if;
+      end if;
+    end loop;
+    
+    for i in 1 .. 32 loop 
+      if i < 25 then
+        BitBuff (i) := False;
+      else
+        BitBuff (i) := TheBits (i - 23);
+      end if;
+    end loop;
+
+    Exponent := Natural(BytesToU(BitsToBytes(BitBuff)));
+
+    if Exponent > 0 and Exponent < 254 then
+      Mantissa := Mantissa + 1.0;
+      Result := Sign * Mantissa * (2.0 ** (Exponent - 127));
+    elsif Exponent = 255 and Mantissa = 0.0 then
+      Result := 1.0 / Zero;
+    elsif Exponent = 0 and (Mantissa > 0.0 or Mantissa < 0.0) then
+      Result := Sign * Mantissa * (2.0 ** (Exponent - 127));
+    elsif Exponent = 0 and Mantissa = 0.0 then
+      Result := 0.0;
+    else 
+      Result := 0.0 / Zero;
+    end if;
 
     return Result;
   end BytesToF;