static void Main(string[] args)
{
//BinaryNumber n1 = new BinaryNumber("11110");
//BinaryNumber n2 = new BinaryNumber("111");
//Console.WriteLine(n1.ToString() + " - " + n2.ToString() + " = " + (n1 - n2).ToString());
Console.WriteLine("Enter multiplicand in binary form:");
BinaryFloat32 multiplicand = new BinaryFloat32(Console.ReadLine());
Console.WriteLine("Enter multiplier in binary form:");
BinaryFloat32 multiplier = new BinaryFloat32(Console.ReadLine());
Console.WriteLine("Result:\n" + (multiplicand * multiplier).ToString());
Console.ReadLine();
}
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);
}
