32 lines
1.2 KiB
C#
32 lines
1.2 KiB
C#
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using System;
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namespace Unity.Burst.CompilerServices
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{
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/// <summary>
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/// Can be used to specify that a parameter or return has a range assumption.
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/// Assumptions feed directly into the optimizer and allow better codegen.
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///
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/// Only usable on values of type scalar integer.
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///
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/// The range is a closed interval [min..max] - EG. the attributed value
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/// is greater-than-or-equal-to min and less-than-or-equal-to max.
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/// </summary>
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[AttributeUsage(AttributeTargets.ReturnValue | AttributeTargets.Parameter)]
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public class AssumeRangeAttribute : Attribute
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{
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/// <summary>
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/// Assume that an integer is in the signed closed interval [min..max].
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/// </summary>
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/// <param name="min">The inclusive minimum value.</param>
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/// <param name="max">The inclusive maximum value.</param>
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public AssumeRangeAttribute(long min, long max) { }
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/// <summary>
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/// Assume that an integer is in the unsigned closed interval [min..max].
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/// </summary>
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/// <param name="min">The inclusive minimum value.</param>
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/// <param name="max">The inclusive maximum value.</param>
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public AssumeRangeAttribute(ulong min, ulong max) { }
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}
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}
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