fix

Author: linzhijun

csharp/ToolGood.Algorithm/Internals/Functions/FunctionBase.string.cs

@@ -125,7 +125,7 @@ public override Operand Evaluate(AlgorithmEngine work, Func<string, Operand> tem
 				return Operand.Error("Function '{0}' parameter is error!", "CODE");
 			}
 			char c = args1.TextValue[0];
-			return Operand.Create((decimal)(int)c);
+			return Operand.Create((int)c);
 		}
 		public override void ToString(StringBuilder stringBuilder, bool addBrackets)
 		{
@@ -226,7 +226,7 @@ public Function_LEN(FunctionBase func1) : base(func1)
 		public override Operand Evaluate(AlgorithmEngine work, Func<string, Operand> tempParameter)
 		{
 			var args1 = func1.Evaluate(work, tempParameter); if (args1.IsNotText) { args1 = args1.ToText("Function '{0}' parameter is error!", "Len"); if (args1.IsError) { return args1; } }
-			return Operand.Create((decimal)args1.TextValue.Length);
+			return Operand.Create(args1.TextValue.Length);
 		}
 		public override void ToString(StringBuilder stringBuilder, bool addBrackets)
 		{

csharp/ToolGood.Algorithm/Internals/Functions/FunctionBase.sum.cs

@@ -275,7 +275,7 @@ public override Operand Evaluate(AlgorithmEngine work, Func<string, Operand> tem
                     }
                 }
             }
-            return Operand.Create((decimal)count);
+            return Operand.Create(count);
         }
         public override void ToString(StringBuilder stringBuilder, bool addBrackets)
         {
@@ -435,7 +435,7 @@ public override Operand Evaluate(AlgorithmEngine work, Func<string, Operand> tem
                 product *= (double)num;
             }
             double geoMean = Math.Pow(product, 1.0 / list.Count);
-            return Operand.Create((decimal)geoMean);
+            return Operand.Create(geoMean);
         }
         public override void ToString(StringBuilder stringBuilder, bool addBrackets)
         {

csharp/ToolGood.Algorithm/ToolGood.Algorithm.csproj

@@ -19,7 +19,7 @@
     <Product>ToolGood.Algorithm</Product>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <SignAssembly>true</SignAssembly>
-    <Version>5.0.0.7</Version>
+    <Version>5.0.0.8</Version>
     <AssemblyOriginatorKeyFile>ToolGood.Algorithm.snk</AssemblyOriginatorKeyFile>
     <DelaySign>false</DelaySign>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\ToolGood.Algorithm.xml</DocumentationFile>