Merge DecimalFloorGenerator & DecimalCeilingGenerator into MathGenerator

Author: hazzik

src/NHibernate/Linq/Functions/DecimalGenerator.cs

@@ -104,38 +104,6 @@ public override HqlTreeNode BuildHql(MethodInfo method, Expression targetObject,
 		}
 	}
 
-	public class DecimalFloorGenerator : BaseHqlGeneratorForMethod
-	{
-		public DecimalFloorGenerator()
-		{
-			SupportedMethods = new[]
-			{
-				ReflectHelper.GetMethodDefinition(() => decimal.Floor(default(decimal)))
-			};
-		}
-
-		public override HqlTreeNode BuildHql(MethodInfo method, Expression targetObject, ReadOnlyCollection<Expression> arguments, HqlTreeBuilder treeBuilder, IHqlExpressionVisitor visitor)
-		{
-			return treeBuilder.MethodCall("floor", visitor.Visit(arguments[0]).AsExpression());
-		}
-	}
-
-	public class DecimalCeilingGenerator : BaseHqlGeneratorForMethod
-	{
-		public DecimalCeilingGenerator()
-		{
-			SupportedMethods = new[]
-			{
-				ReflectHelper.GetMethodDefinition(() => decimal.Ceiling(default(decimal)))
-			};
-		}
-
-		public override HqlTreeNode BuildHql(MethodInfo method, Expression targetObject, ReadOnlyCollection<Expression> arguments, HqlTreeBuilder treeBuilder, IHqlExpressionVisitor visitor)
-		{
-			return treeBuilder.MethodCall("ceiling", visitor.Visit(arguments[0]).AsExpression());
-		}
-	}
-
 	public class DecimalRoundGenerator : BaseHqlGeneratorForMethod
 	{
 		public DecimalRoundGenerator()

src/NHibernate/Linq/Functions/DefaultLinqToHqlGeneratorsRegistry.cs

@@ -58,8 +58,6 @@ public DefaultLinqToHqlGeneratorsRegistry()
 			this.Merge(new DecimalSubtractGenerator());
 			this.Merge(new DecimalRemainderGenerator());
 			this.Merge(new DecimalNegateGenerator());
-			this.Merge(new DecimalFloorGenerator());
-			this.Merge(new DecimalCeilingGenerator());
 			this.Merge(new DecimalRoundGenerator());
 		}
 

src/NHibernate/Linq/Functions/MathGenerator.cs

@@ -51,8 +51,10 @@ public MathGenerator()
 				ReflectHelper.GetMethodDefinition(() => Math.Round(default(double), default(int))),
 				ReflectHelper.GetMethodDefinition(() => Math.Floor(default(decimal))),
 				ReflectHelper.GetMethodDefinition(() => Math.Floor(default(double))),
+				ReflectHelper.GetMethodDefinition(() => decimal.Floor(default(decimal))),
 				ReflectHelper.GetMethodDefinition(() => Math.Ceiling(default(decimal))),
 				ReflectHelper.GetMethodDefinition(() => Math.Ceiling(default(double))),
+				ReflectHelper.GetMethodDefinition(() => decimal.Ceiling(default(decimal))),
 				ReflectHelper.GetMethodDefinition(() => Math.Truncate(default(decimal))),
 				ReflectHelper.GetMethodDefinition(() => Math.Truncate(default(double))),