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Made GetBit and GetBits extension methods

pull/83/head
David Hall 2019-07-10 11:27:04 -06:00
parent dedf7742df
commit 1996fadd69
1 changed files with 2 additions and 2 deletions
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4
Core/Extensions/BitHelper.cs
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@ -12,7 +12,7 @@ namespace Vanara.Extensions
/// <param name="bits">The bit vector.</param>
/// <param name="idx">The zero-based index of the bit to get.</param>
/// <returns><see langword="true"/> if the bit is set (1); <see langword="false"/> otherwise.</returns>
public static bool GetBit<T>(T bits, byte idx) where T : struct, IComparable, IComparable<T>, IConvertible, IEquatable<T>, IFormattable =>
public static bool GetBit<T>(this T bits, byte idx) where T : struct, IComparable, IComparable<T>, IConvertible, IEquatable<T>, IFormattable =>
(idx < (Marshal.SizeOf(typeof(T)) * 8)) ? (bits.ToInt64(null) & 1 << idx) != 0 : throw new ArgumentOutOfRangeException(nameof(idx));
/// <summary>Gets the bit array value from the specified range in a bit vector.</summary>
@ -21,7 +21,7 @@ namespace Vanara.Extensions
/// <param name="startIdx">The zero-based start index of the bit range to get.</param>
/// <param name="count">The number of sequential bits to fetch starting at <paramref name="startIdx"/>.</param>
/// <returns>The value of the requested bit range.</returns>
public static T GetBits<T>(T bits, byte startIdx, byte count) where T : struct, IComparable, IComparable<T>, IConvertible, IEquatable<T>, IFormattable
public static T GetBits<T>(this T bits, byte startIdx, byte count) where T : struct, IComparable, IComparable<T>, IConvertible, IEquatable<T>, IFormattable
{
if (startIdx >= (Marshal.SizeOf(typeof(T)) * 8)) throw new ArgumentOutOfRangeException(nameof(startIdx));
if (count + startIdx > (Marshal.SizeOf(typeof(T)) * 8)) throw new ArgumentOutOfRangeException(nameof(count));