public static double TruncateToPowerOfTwo(double d)
{
DoubleBits db = new DoubleBits(d);
db.ZeroLowerBits(52);
return(db.GetDouble());
}
public static double MaximumCommonMantissa(double d1, double d2)
{
if (d1 == 0.0 || d2 == 0.0)
{
return(0.0);
}
DoubleBits db1 = new DoubleBits(d1);
DoubleBits db2 = new DoubleBits(d2);
if (db1.GetExponent() != db2.GetExponent())
{
return(0.0);
}
int maxCommon = db1.NumCommonMantissaBits(db2);
db1.ZeroLowerBits(64 - (12 + maxCommon));
return(db1.GetDouble());
}