public EvaluationContext()
{
VariableMapping = new Dictionary <string, int>();
Variables = new BaseComputable[20];
ArthmeticEvaluator = new ArthmeticEvaluator(this);
ProgramEvaluator = new ProgramEvaluator(this);
}
internal EvaluationContext(IDictionary <string, int> variablesMapping, BaseComputable[] variables)
{
VariableMapping = new Dictionary <string, int>(variablesMapping);
Variables = (BaseComputable[])variables.Clone();
ArthmeticEvaluator = new ArthmeticEvaluator(this);
ProgramEvaluator = new ProgramEvaluator(this);
}