55 lines
2.0 KiB
C#
Executable File
55 lines
2.0 KiB
C#
Executable File
namespace JXCMS.Core.Encrypt
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{
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public class SupportClass
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{
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/// <summary>
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/// Performs an unsigned bitwise right shift with the specified number
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/// </summary>
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///<param name="number">Number to operate on
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///<param name="bits">Ammount of bits to shift
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/// <returns>The resulting number from the shift operation</returns>
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public static int URShift(int number, int bits)
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{
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if (number >= 0)
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return number >> bits;
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else
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return (number >> bits) + (2 << ~bits);
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}
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/// <summary>
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/// Performs an unsigned bitwise right shift with the specified number
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/// </summary>
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///<param name="number">Number to operate on
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///<param name="bits">Ammount of bits to shift
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/// <returns>The resulting number from the shift operation</returns>
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public static int URShift(int number, long bits)
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{
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return URShift(number, (int)bits);
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}
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/// <summary>
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/// Performs an unsigned bitwise right shift with the specified number
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/// </summary>
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///<param name="number">Number to operate on
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///<param name="bits">Ammount of bits to shift
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/// <returns>The resulting number from the shift operation</returns>
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public static long URShift(long number, int bits)
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{
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if (number >= 0)
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return number >> bits;
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else
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return (number >> bits) + (2L << ~bits);
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}
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/// <summary>
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/// Performs an unsigned bitwise right shift with the specified number
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/// </summary>
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///<param name="number">Number to operate on
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///<param name="bits">Ammount of bits to shift
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/// <returns>The resulting number from the shift operation</returns>
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public static long URShift(long number, long bits)
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{
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return URShift(number, (int)bits);
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}
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}
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} |