public static SignedFraction ToSignedFraction(double value)
{
if (value > Int32.MaxValue)
{
throw new OverflowException();
}
if (value < Int32.MinValue)
{
throw new InvalidCastException();
}
var fraction = new SignedFraction();
Int32 denominator = 1;
while (value - System.Math.Floor(value) != 0 && value < Int32.MaxValue && denominator < Int32.MaxValue)
{
value *= 10;
denominator *= 10;
}
if (value > Int32.MaxValue || denominator > Int32.MaxValue)
{
throw new OverflowException();
}
fraction.Numerator = (Int32)System.Math.Floor(value);
fraction.Denominator = denominator;
return fraction;
}
public static byte[] ToByte(SignedFraction value, Definitions.Endian endian)
{
var ret = new byte[8];
Array.Copy(Util.ToByte(value.Numerator, 4, endian), 0, ret, 0, 4);
Array.Copy(Util.ToByte(value.Denominator, 4, endian), 0, ret, 4, 4);
return ret;
}