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4740d30fb7
- 修复 AsyncExtensionsTests 中错误返回 ConfiguredTaskAwaitable 导致的测试编译失败 - 收敛多处测试中的冗余 async/await 与 ValueTask 断言包装，减少 PR review 指出的告警 - 更新 StoreSelection 的 net9+ 锁实现与 analyzer-warning-reduction 跟踪文档，记录 PR #288 与当前 MSB4018 环境阻塞
96 lines
3.1 KiB
C#
96 lines
3.1 KiB
C#
namespace GFramework.Core.Extensions;
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/// <summary>
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/// 数值扩展方法
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/// </summary>
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public static class NumericExtensions
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{
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/// <summary>
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/// 检查值是否在指定范围内
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/// </summary>
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/// <typeparam name="T">实现 IComparable 的类型</typeparam>
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/// <param name="value">要检查的值</param>
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/// <param name="min">最小值</param>
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/// <param name="max">最大值</param>
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/// <param name="inclusive">是否包含边界值，默认为 true</param>
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/// <returns>如果值在范围内则返回 true，否则返回 false</returns>
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/// <exception cref="ArgumentNullException">当 value、min 或 max 为 null 时抛出</exception>
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/// <exception cref="ArgumentException">当 min 大于 max 时抛出</exception>
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/// <example>
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/// <code>
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/// var value = 50;
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/// var inRange = value.Between(0, 100); // 返回 true
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/// var inRangeExclusive = value.Between(50, 100, inclusive: false); // 返回 false
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/// </code>
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/// </example>
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public static bool Between<T>(this T value, T min, T max, bool inclusive = true) where T : IComparable<T>
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{
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if (value is null)
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{
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throw new ArgumentNullException(nameof(value));
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}
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if (min is null)
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{
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throw new ArgumentNullException(nameof(min));
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}
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if (max is null)
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{
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throw new ArgumentNullException(nameof(max));
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}
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if (min.CompareTo(max) > 0)
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{
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throw new ArgumentException($"最小值 ({min}) 不能大于最大值 ({max})", nameof(min));
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}
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if (inclusive)
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{
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return value.CompareTo(min) >= 0 && value.CompareTo(max) <= 0;
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}
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return value.CompareTo(min) > 0 && value.CompareTo(max) < 0;
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}
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/// <summary>
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/// 在两个值之间进行线性插值
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/// </summary>
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/// <param name="from">起始值</param>
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/// <param name="to">目标值</param>
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/// <param name="t">插值参数（0 到 1 之间）</param>
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/// <returns>插值结果</returns>
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/// <example>
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/// <code>
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/// var result = 0f.Lerp(100f, 0.5f); // 返回 50
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/// </code>
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/// </example>
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public static float Lerp(this float from, float to, float t)
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{
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return from + (to - from) * t;
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}
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/// <summary>
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/// 计算值在两个值之间的插值参数
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/// </summary>
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/// <param name="value">当前值</param>
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/// <param name="from">起始值</param>
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/// <param name="to">目标值</param>
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/// <returns>插值参数（通常在 0 到 1 之间）</returns>
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/// <exception cref="DivideByZeroException">当 from 等于 to 时抛出</exception>
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/// <example>
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/// <code>
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/// var t = 50f.InverseLerp(0f, 100f); // 返回 0.5
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/// </code>
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/// </example>
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public static float InverseLerp(this float value, float from, float to)
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{
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if (Math.Abs(to - from) < float.Epsilon)
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{
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throw new DivideByZeroException("起始值和目标值不能相等");
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}
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return (value - from) / (to - from);
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}
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}
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