MathParserNet.Parser.AddCustomFunction C# (CSharp) Méthode

        protected void AddCustomFunction(string s, Delegate d)
        {
            _customFunctions.Add(s, d);
        }

        private SimplificationReturnValue EvaluateExpression(NumberClass expression)
        {
            var parser = new Parser();

            foreach (var cfh in _customFunctions)
            {
                parser.AddCustomFunction(cfh.Key, cfh.Value);
            }

            foreach (var v in _variables)
            {
                if (v.Value.NumberType == NumberClass.NumberTypes.Float)
                {
                    parser.AddVariable(v.Key, v.Value.FloatNumber);
                }
                if (v.Value.NumberType == NumberClass.NumberTypes.Integer)
                {
                    parser.AddVariable(v.Key, v.Value.IntNumber);
                }
                if (v.Value.NumberType == NumberClass.NumberTypes.Expression)
                {
                    parser.AddVariable(v.Key, v.Value.Expression);
                }
            }

            foreach (var f in _functions)
            {
                parser.AddFunction(f.Name, f.Arguments, f.Expression);
            }
            return(parser.Simplify(expression.Expression));
        }