ScaleXDecorator done

StructureHelperCommon/Models/Functions/Decorator/LimXDecorator.cs

@@ -0,0 +1,32 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Functions.Decorator
+{
+    public class LimXDecorator : FunctionDecorator
+    {
+        private double leftBound;
+        private double rightBound;
+        public LimXDecorator(IOneVariableFunction function, double leftBound, double rightBound) : base(function)
+        {
+            this.leftBound = leftBound;
+            this.rightBound = rightBound;
+        }
+        public override bool Check()
+        {
+            return base.Check();
+        }
+        public override double GetByX(double xValue)
+        {
+            if (xValue > leftBound && xValue < rightBound)
+            {
+                return base.GetByX(xValue);
+            }
+            return 0;
+        }
+    }
+}

StructureHelperCommon/Models/Functions/Decorator/ScaleXDecorator.cs

@@ -0,0 +1,27 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Functions.Decorator
+{
+    public class ScaleXDecorator : FunctionDecorator
+    {
+        private double factor;
+        public ScaleXDecorator(IOneVariableFunction function, double factor) : base(function)
+        {
+            this.factor = factor;
+            Name = $"{function.Name}, y=f({factor}x)";
+        }
+        public override bool Check()
+        {
+            return base.Check();
+        }
+        public override double GetByX(double xValue)
+        {
+            return base.GetByX(factor * xValue);
+        }
+    }
+}