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GenericsTest.Vector256D.cs
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GenericsTest.Vector256D.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using Xunit;
unsafe partial class GenericsNative
{
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double> GetVector256D(double e00, double e01, double e02, double e03);
[DllImport(nameof(GenericsNative))]
public static extern void GetVector256DOut(double e00, double e01, double e02, double e03, Vector256<double>* value);
[DllImport(nameof(GenericsNative))]
public static extern void GetVector256DOut(double e00, double e01, double e02, double e03, out Vector256<double> value);
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double>* GetVector256DPtr(double e00, double e01, double e02, double e03);
[DllImport(nameof(GenericsNative), EntryPoint = "GetVector256DPtr")]
public static extern ref readonly Vector256<double> GetVector256DRef(double e00, double e01, double e02, double e03);
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double> AddVector256D(Vector256<double> lhs, Vector256<double> rhs);
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double> AddVector256Ds(Vector256<double>* pValues, int count);
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double> AddVector256Ds([MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Vector256<double>[] pValues, int count);
[DllImport(nameof(GenericsNative))]
public static extern Vector256<double> AddVector256Ds(in Vector256<double> pValues, int count);
}
unsafe partial class GenericsTest
{
private static void TestVector256D()
{
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetVector256D(1.0, 2.0, 3.0, 4.0));
Vector256<double> value2;
GenericsNative.GetVector256DOut(1.0, 2.0, 3.0, 4.0, &value2);
Assert.Equal(value2.GetElement(0), 1.0);
Assert.Equal(value2.GetElement(1), 2.0);
Assert.Equal(value2.GetElement(2), 3.0);
Assert.Equal(value2.GetElement(3), 4.0);
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetVector256DOut(1.0, 2.0, 3.0, 4.0, out Vector256<double> value3));
Vector256<double>* value4 = GenericsNative.GetVector256DPtr(1.0, 2.0, 3.0, 4.0);
Assert.Equal(value4->GetElement(0), 1.0);
Assert.Equal(value4->GetElement(1), 2.0);
Assert.Equal(value4->GetElement(2), 3.0);
Assert.Equal(value4->GetElement(3), 4.0);
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetVector256DRef(1.0, 2.0, 3.0, 4.0));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddVector256D(default, default));
Vector256<double>[] values = new Vector256<double>[] {
default,
value2,
default,
*value4,
default,
};
Assert.Throws<MarshalDirectiveException>(() => {
fixed (Vector256<double>* pValues = &values[0])
{
GenericsNative.AddVector256Ds(pValues, values.Length);
}
});
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddVector256Ds(values, values.Length));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddVector256Ds(in values[0], values.Length));
}
}