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Added NextPowerOfTwo float and double overloads.

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the_fiddler 2009-07-19 20:58:35 +00:00
parent b88ce5438b
commit 16dd351255
1 changed files with 32 additions and 1 deletions
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33
Source/OpenTK/Math/Functions.cs
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@ -48,7 +48,38 @@ namespace OpenTK
#endregion
/// <summary> /// Calculates the factorial of a given natural number.
#region public static int NextPowerOfTwo(int n)
/// <summary>
/// Returns the next power of two that is larger than the specified number.
/// </summary>
/// <param name="n">The specified number.</param>
/// <returns>The next power of two.</returns>
public static float NextPowerOfTwo(float n)
{
if (n < 0) throw new ArgumentOutOfRangeException("n", "Must be positive.");
return (float)System.Math.Pow(2, System.Math.Ceiling(System.Math.Log((double)n, 2)));
}
#endregion
#region public static int NextPowerOfTwo(int n)
/// <summary>
/// Returns the next power of two that is larger than the specified number.
/// </summary>
/// <param name="n">The specified number.</param>
/// <returns>The next power of two.</returns>
public static double NextPowerOfTwo(double n)
{
if (n < 0) throw new ArgumentOutOfRangeException("n", "Must be positive.");
return System.Math.Pow(2, System.Math.Ceiling(System.Math.Log((double)n, 2)));
}
#endregion
/// <summary>Calculates the factorial of a given natural number.
/// </summary>
/// <param name="n">The number.</param>
/// <returns>n!</returns>