public void Reset()
{
// create builtin constants
Variables.Clear();
Variables["pi"] = new Value(3.141592653589793238462643383279502884197169399375105820974944592307816406286m);
Variables["e"] = new Value(2.718281828459045235360287471352662497757247093699959574966967627724076630353m);
Variables["true"] = new Value(true);
Variables["false"] = new Value(false);
// create builtin functions
Functions.Clear();
Functions["abs"] = new Functions.MathFunction(Math.Abs);
Functions["abs"] = new Functions.MathFunction(Math.Abs);
Functions["acos"] = new Functions.MathFunction(Math.Acos);
Functions["asin"] = new Functions.MathFunction(Math.Asin);
Functions["atan"] = new Functions.MathFunction(Math.Atan);
Functions["ceil"] = new Functions.MathFunction(Math.Ceiling);
Functions["cos"] = new Functions.MathFunction(Math.Cos);
Functions["cosh"] = new Functions.MathFunction(Math.Cosh);
Functions["exp"] = new Functions.MathFunction(Math.Exp);
Functions["floor"] = new Functions.MathFunction(Math.Floor);
Functions["log"] = new Functions.MathFunction(Math.Log);
Functions["log10"] = new Functions.MathFunction(Math.Log10);
Functions["round"] = new Functions.MathFunction(Math.Round);
Functions["sin"] = new Functions.MathFunction(Math.Sin);
Functions["sinh"] = new Functions.MathFunction(Math.Sinh);
Functions["sqrt"] = new Functions.MathFunction(Math.Sqrt);
Functions["tan"] = new Functions.MathFunction(Math.Tan);
Functions["tanh"] = new Functions.MathFunction(Math.Tanh);
Functions["truncate"] = new Functions.MathFunction(Math.Truncate);
Functions["sum"] = new Functions.ApplyOperation((a, b) => new Operations.Add(a, b));
Functions["or"] = new Functions.ApplyOperation((a, b) => new Operations.Or(a, b));
Functions["and"] = new Functions.ApplyOperation((a, b) => new Operations.And(a, b));
Functions["mul"] = new Functions.ApplyOperation((a, b) => new Operations.Multiply(a, b));
Functions["band"] = new Functions.ApplyOperation((a, b) => new Operations.BitwiseAnd(a, b));
Functions["bor"] = new Functions.ApplyOperation((a, b) => new Operations.BitwiseOr(a, b));
Functions["bxor"] = new Functions.ApplyOperation((a, b) => new Operations.BitwiseXor(a, b));
}
public Value(Value src)
{
Data = src.Data;
Type = src.Type;
}
public void CastSameType(Value other, ValueType minType)
{
ValueType targetType = CastArray[(int)Type, (int)other.Type];
switch (minType)
{
case ValueType.Integer:
if (targetType == ValueType.Boolean)
targetType = ValueType.Integer;
break;
case ValueType.Decimal:
if (targetType == ValueType.Boolean || targetType == ValueType.Integer)
targetType = ValueType.Decimal;
break;
}
CastAsType(targetType);
other.CastAsType(targetType);
Debug.Assert(Type == other.Type);
}
public void CastSameType(Value other)
{
ValueType targetType = CastArray[(int)Type, (int)other.Type];
CastAsType(targetType);
other.CastAsType(targetType);
Debug.Assert(Type == other.Type);
}