wehub-resource-sync
55 lines
2.3 KiB
C#
55 lines
2.3 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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namespace QuantConnect.Util
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{
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/// <summary>
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/// Utility Comparison Operator class
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/// </summary>
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public static class ComparisonOperator
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{
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/// <summary>
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/// Compares two values using given operator
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="op">Comparison operator</param>
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/// <param name="arg1">The first value</param>
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/// <param name="arg2">The second value</param>
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/// <returns>Returns true if its left-hand operand meets the operator value to its right-hand operand, false otherwise</returns>
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public static bool Compare<T>(ComparisonOperatorTypes op, T arg1, T arg2) where T : IComparable
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{
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switch (op)
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{
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case ComparisonOperatorTypes.Equals:
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return arg1.CompareTo(arg2) == 0;
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case ComparisonOperatorTypes.NotEqual:
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return arg1.CompareTo(arg2) != 0;
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case ComparisonOperatorTypes.Greater:
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return arg1.CompareTo(arg2) == 1;
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case ComparisonOperatorTypes.GreaterOrEqual:
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return arg1.CompareTo(arg2) >= 0;
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case ComparisonOperatorTypes.Less:
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return arg1.CompareTo(arg2) == -1;
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case ComparisonOperatorTypes.LessOrEqual:
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return arg1.CompareTo(arg2) <= 0;
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default:
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throw new ArgumentOutOfRangeException(nameof(op), $"Operator '{op}' is not supported.");
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}
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}
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}
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}
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