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LibreHardwareMonitor-0.9.4/LibreHardwareMonitorLib/Hardware/GroupAffinity.cs

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+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+// Copyright (C) LibreHardwareMonitor and Contributors.
+// Partial Copyright (C) Michael Möller <mmoeller@openhardwaremonitor.org> and Contributors.
+// All Rights Reserved.
+
+namespace LibreHardwareMonitor.Hardware;
+
+/// <summary>
+/// This structure describes a group-specific affinity.
+/// </summary>
+public readonly struct GroupAffinity
+{
+    public static GroupAffinity Undefined = new(ushort.MaxValue, 0);
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="GroupAffinity" /> struct.
+    /// </summary>
+    /// <param name="group">The group.</param>
+    /// <param name="mask">The mask.</param>
+    public GroupAffinity(ushort group, ulong mask)
+    {
+        Group = group;
+        Mask = mask;
+    }
+
+    /// <summary>
+    /// Gets a single group affinity.
+    /// </summary>
+    /// <param name="group">The group.</param>
+    /// <param name="index">The index.</param>
+    /// <returns><see cref="GroupAffinity" />.</returns>
+    public static GroupAffinity Single(ushort group, int index)
+    {
+        return new GroupAffinity(group, 1UL << index);
+    }
+
+    /// <summary>
+    /// Gets the group.
+    /// </summary>
+    public ushort Group { get; }
+
+    /// <summary>
+    /// Gets the mask.
+    /// </summary>
+    public ulong Mask { get; }
+
+    /// <summary>
+    /// Determines whether the specified <see cref="System.Object" /> is equal to this instance.
+    /// </summary>
+    /// <param name="o">The <see cref="System.Object" /> to compare with this instance.</param>
+    /// <returns><c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.</returns>
+    public override bool Equals(object o)
+    {
+        if (o == null || GetType() != o.GetType())
+            return false;
+
+        GroupAffinity a = (GroupAffinity)o;
+        return (Group == a.Group) && (Mask == a.Mask);
+    }
+
+    /// <summary>
+    /// Returns a hash code for this instance.
+    /// </summary>
+    /// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
+    public override int GetHashCode()
+    {
+        return Group.GetHashCode() ^ Mask.GetHashCode();
+    }
+
+    /// <summary>
+    /// Implements the == operator.
+    /// </summary>
+    /// <param name="a1">The a1.</param>
+    /// <param name="a2">The a2.</param>
+    /// <returns>The result of the operator.</returns>
+    public static bool operator ==(GroupAffinity a1, GroupAffinity a2)
+    {
+        return (a1.Group == a2.Group) && (a1.Mask == a2.Mask);
+    }
+
+    /// <summary>
+    /// Implements the != operator.
+    /// </summary>
+    /// <param name="a1">The a1.</param>
+    /// <param name="a2">The a2.</param>
+    /// <returns>The result of the operator.</returns>
+    public static bool operator !=(GroupAffinity a1, GroupAffinity a2)
+    {
+        return (a1.Group != a2.Group) || (a1.Mask != a2.Mask);
+    }
+}