CosSin.cs

using System;
using System.Numerics;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Model;
using Waher.Script.Objects.VectorSpaces;
 
namespace Waher.Script.Functions.Analytic
{
    public class CosSin : FunctionOneScalarVariable
    {
        public CosSin(ScriptNode Argument, int Start, int Length, Expression Expression)
            : base(Argument, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(CosSin);
 
        public override IElement EvaluateScalar(double Argument, Variables Variables)
        {
            return new DoubleVector(
                Math.Cos(Argument),
                Math.Sin(Argument));
        }
 
        public override IElement EvaluateScalar(Complex Argument, Variables Variables)
        {
            return new ComplexVector(
                Complex.Cos(Argument),
                Complex.Sin(Argument));
        }
    }
}