/// <summary>
/// Compare to other objects
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public int CompareTo(object o)
{
if (o == null)
{
return(1); // null sorts before current
}
double c1 = this.ValueD;
double c2 = c1;
if (o is Oilfield_Constant)
{
Oilfield_Constant c = (Oilfield_Constant)o;
c2 = c.ValueD;
}
if (o is double)
{
c2 = (double)o;
}
if (c1 < c2)
{
return(-1);
}
if (c1 > c2)
{
return(1);
}
return(0);
}
/// <summary>
/// Determine whether two constants are almost (i.e. within the tolerance) equivalent.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="tolerance"></param>
/// <returns></returns>
static public bool IsEqual(object a, object b, double tolerance)
{
if (a == null && b == null)
{
return(true);
}
if (a == null)
{
return(false);
}
if (b == null)
{
return(false);
}
if (a is Oilfield_Constant && b is Oilfield_Constant)
{
Oilfield_Constant a1 = (Oilfield_Constant)a;
Oilfield_Constant b1 = (Oilfield_Constant)b;
if (Math.Abs(a1 - b1) < tolerance)
{
return(true);
}
return(false);
}
if (a is Oilfield_Constant && b is double)
{
Oilfield_Constant a1 = (Oilfield_Constant)a;
double b1 = (double)b;
if (Math.Abs(a1 - b1) < tolerance)
{
return(true);
}
return(false);
}
if (a is double && b is Oilfield_Constant)
{
double a1 = (double)a;
Oilfield_Constant b1 = (Oilfield_Constant)b;
if (Math.Abs(a1 - b1) < tolerance)
{
return(true);
}
return(false);
}
if (a is double && b is double)
{
double a1 = (double)a;
double b1 = (double)b;
if (Math.Abs(a1 - b1) < tolerance)
{
return(true);
}
return(false);
}
return(false);
}
/// <summary>
/// Creates a deep copy of this constant
/// </summary>
/// <returns></returns>
public virtual Oilfield_Constant Clone()
{
Oilfield_Constant tmp = new Oilfield_Constant();
tmp.Name = this.Name;
tmp.Unit = this.Unit;
tmp.Value = this.Value;
tmp.Description = this.Description;
return(tmp);
}
/// <summary>
/// Is this class equivalent to another object?
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public override bool Equals(object o)
{
if (o == null)
{
return(false);
}
if (o is Oilfield_Constant)
{
Oilfield_Constant c = (Oilfield_Constant)o;
return(this.Value == c.Value && this.Unit == c.Unit);
}
if (o is double)
{
double c = (double)o;
return(this.ValueD == c);
}
if (o is string)
{
string c = (string)o;
return(this.Value == c);
}
return(false);
}
