using System;

namespace Science.Mathematics.PartialDifferentialEquation
{
	/// <summary>
	/// Domain in Two Dimensional Space
	/// </summary>
	public class Domain2D
	{
        private double xf, xt, yf, yt;
		public Domain2D()
		{
		}
        private Function.ToLastType<double,double,double>[] cf2;
        private Function.ToLastType<double, double, double> cf;
        public Function.ToLastType<double, double, double> ConditionFunctionLessThanZero
		{
            set
            {
                cf = value;
                cf2 = new Function.ToLastType<double, double, double>[1];
                cf2[0] = cf;
            }
		}
        public Function.ToLastType<double, double, double>[] ConditionFunctionsLessThanZero
		{
			set{cf2 = value;}
		}
		public double LowerBoundOfX
		{
			get{return xf;}
			set{xf=value;}
		}
		public double UpperBoundOfX
		{
			get{return xt;}
			set{xt=value;}
		}
		public double LowerBoundOfY
		{
			get{return yf;}
			set{yf=value;}
		}
		public double UpperBoundOfY
		{
			get{return yt;}
			set{yt=value;}
		}
		public bool Check(double x, double y)
		{
			for(int k = 0; k < cf2.Length; k++)
				if(cf2[k](x,y) >= 0.0) return false;
			return true;
		}	
	}
}