44 строки
1.9 KiB
C#
44 строки
1.9 KiB
C#
/*
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* Copyright (c) 2007-2010 SlimDX Group
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace BulletSharp
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{
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static class Utilities
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{
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/// <summary>
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/// The value for which all absolute numbers smaller than are considered equal to zero.
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/// </summary>
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public const float ZeroTolerance = 1e-6f;
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/// <summary>
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/// Compares two floating point numbers based on an epsilon zero tolerance.
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/// </summary>
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/// <param name="left">The first number to compare.</param>
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/// <param name="right">The second number to compare.</param>
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/// <returns><c>true</c> if <paramref name="left"/> is within epsilon of <paramref name="right"/>; otherwise, <c>false</c>.</returns>
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public static bool EpsilonEquals(float left, float right)
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{
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return System.Math.Abs(left - right) <= ZeroTolerance;
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}
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}
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}
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