public static bool TryParse(string value, out IbDouble result)
{
int dotIndex = value.IndexOf('.');
if (dotIndex < 0)
{
BigInteger sig;
if (BigInteger.TryParse(value, out sig))
{
result = (new IbDouble(sig, 0)).Normalize();
return(true);
}
else
{
result = Zero;
return(false);
}
}
else
{
var exp = value.Length - dotIndex - 1;
value = value.Substring(0, dotIndex) + value.Substring(dotIndex + 1);
BigInteger sig;
if (BigInteger.TryParse(value, out sig))
{
result = (new IbDouble(sig, checked ((short)exp))).Normalize();
return(true);
}
else
{
result = Zero;
return(false);
}
}
}
public static int Compare(IbDouble left, IbDouble right)
{
return(left < right ? -1 : (left > right ? 1 : 0));
}
public static IbDouble Min(IbDouble left, IbDouble right)
{
return(left < right ? left : right);
}
public static IbDouble Max(IbDouble left, IbDouble right)
{
return(left > right ? left : right);
}
public static IbDouble Divide(IbDouble dividend, IbDouble divisor)
{
return(dividend / divisor);
}
public static IbDouble Multiply(IbDouble left, IbDouble right)
{
return(left * right);
}
public static IbDouble Subtract(IbDouble left, IbDouble right)
{
return(left - right);
}
public static IbDouble Add(IbDouble left, IbDouble right)
{
return(left + right);
}
public static IbDouble Negate(IbDouble value)
{
return(-value);
}
public static IbDouble Abs(IbDouble value)
{
return(new IbDouble(value._sig < 0 ? value._sig : value._sig, value._exp));
}