public static BinaryNumber Invert(BinaryNumber num, int size)
{
if (size < num.Length)
{
throw new ApplicationException("Wrong size!");
}
BinaryNumber result = new BinaryNumber(size);
for (int i = 0; i < num.Length; i++)
{
result[i] = num[i];
}
BinaryNumber temp = HalfInvert(result);
BinaryNumber temp1 = DecToBin(1);
BinaryNumber temp2 = temp + temp1;
int n = num.Length;
return(Truncate(temp2, size));
}
public static BinaryNumber Truncate(BinaryNumber num)
{
int temp = 0;
for (int i = num.Length; i > 0; i--)
{
if (num[i - 1])
{
temp = i;
break;
}
}
BinaryNumber result = new BinaryNumber(temp);
for (int i = 0; i < result.Length; i++)
{
result[i] = num[i];
}
return(result);
}
public static BinaryFloat32 operator *(BinaryFloat32 n1, BinaryFloat32 n2)
{
BinaryFloat32 result = new BinaryFloat32();
if (n1.IsZero || n2.IsZero)
{
for (int i = 0; i < result.Length; i++)
{
result[i] = false;
}
return(result);
}
if (n1.IsInfinity || n2.IsInfinity)
{
for (int i = 0; i < result.Length; i++)
{
result[i] = true;
}
return(result);
}
//setting sign
result.Sign = n1.Sign ^ n2.Sign;
//finding result mantissa
//-creating mantissa with added hidden 1
int needExp = 0;
BinaryNumber temp_m1 = new BinaryNumber("1" + n1.Mantissa.ToString());
BinaryNumber temp_m2 = new BinaryNumber("1" + n2.Mantissa.ToString());
BinaryNumber temp_m = temp_m1 * temp_m2;
if (temp_m[temp_m.Length - 1])
{
needExp = 1;
}
//11.0101010101010101010101010101010101010101010101
BinaryNumber NewM = new BinaryNumber(23);
for (int i = 45 + needExp; i > 45 + needExp - 23; i--)
{
NewM[i - 23 - needExp] = temp_m[i];
}
result.Mantissa = NewM;
///finding exponent
BinaryNumber NewExp = Truncate(n1.Exponent + n2.Exponent + DecToBin(needExp) - DecToBin(127));
if (NewExp.Length > 8 || !NewExp.Contains(false))
{
for (int i = 0; i < result.Length; i++)
{
result[i] = true;
}
}
else
{
result.Exponent = Truncate(NewExp, 8);
}
return(result);
}