diff options
Diffstat (limited to 'tests/src/JIT/Regression/JitBlue/GitHub_8220/GitHub_8220.cs')
| -rw-r--r-- | tests/src/JIT/Regression/JitBlue/GitHub_8220/GitHub_8220.cs | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_8220/GitHub_8220.cs b/tests/src/JIT/Regression/JitBlue/GitHub_8220/GitHub_8220.cs new file mode 100644 index 0000000000..f38d5ba698 --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/GitHub_8220/GitHub_8220.cs @@ -0,0 +1,170 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +// Regression test for Vector3 intrinsics using upper non-zero'd bits from +// a byref return. + +using System; +using System.Diagnostics; +using System.Runtime.CompilerServices; +using System.Numerics; + +namespace Test +{ + + public class Program + { + static Random random; + + static Program() + { + random = new Random(1); + } + + [MethodImpl( MethodImplOptions.NoInlining )] + public static double StackScribble() + { + double d1 = random.NextDouble(); + double d2 = random.NextDouble(); + double d3 = random.NextDouble(); + double d4 = random.NextDouble(); + double d5 = random.NextDouble(); + double d6 = random.NextDouble(); + double d7 = random.NextDouble(); + double d8 = random.NextDouble(); + double d9 = random.NextDouble(); + double d10 = random.NextDouble(); + double d11 = random.NextDouble(); + double d12 = random.NextDouble(); + double d13 = random.NextDouble(); + double d14 = random.NextDouble(); + double d15 = random.NextDouble(); + double d16 = random.NextDouble(); + double d17 = random.NextDouble(); + double d18 = random.NextDouble(); + double d19 = random.NextDouble(); + double d20 = random.NextDouble(); + double d21 = random.NextDouble(); + double d22 = random.NextDouble(); + double d23 = random.NextDouble(); + double d24 = random.NextDouble(); + double d25 = random.NextDouble(); + double d26 = random.NextDouble(); + double d27 = random.NextDouble(); + double d28 = random.NextDouble(); + double d29 = random.NextDouble(); + double d30 = random.NextDouble(); + double d31 = random.NextDouble(); + double d32 = random.NextDouble(); + double d33 = random.NextDouble(); + double d34 = random.NextDouble(); + double d35 = random.NextDouble(); + double d36 = random.NextDouble(); + double d37 = random.NextDouble(); + double d38 = random.NextDouble(); + double d39 = random.NextDouble(); + double d40 = random.NextDouble(); + return d1 + d2 + d3 + d4 + d5 + d6 + d7 + d8 + d9 + d10 + + d11 + d12 + d13 + d14 + d15 + d16 + d17 + d18 + d19 + d20 + + d21 + d22 + d23 + d24 + d25 + d26 + d27 + d28 + d29 + d20 + + d31 + d32 + d33 + d34 + d35 + d36 + d37 + d38 + d39 + d40; + } + + [MethodImpl( MethodImplOptions.NoInlining )] + public static Vector3 getTestValue(float f1, float f2, float f3) + { + return new Vector3(f1, f2, f3); + } + + public static bool Check(float value, float expectedValue) + { + // These may differ in the last place. + float expectedValueLow; + float expectedValueHigh; + + unsafe + { + UInt32 expectedValueUInt = *(UInt32*)&expectedValue; + UInt32 expectedValueUIntLow = (expectedValueUInt == 0) ? 0 : expectedValueUInt - 1; + UInt32 expectedValueUIntHigh = (expectedValueUInt == 0xffffffff) ? 0xffffffff : expectedValueUInt + 1; + expectedValueLow = *(float*)&expectedValueUIntLow; + expectedValueHigh = *(float*)&expectedValueUIntHigh; + } + float errorMargin = Math.Abs(expectedValueHigh - expectedValueLow); + if (Math.Abs(value - expectedValue) > errorMargin) + { + return false; + } + return true; + } + + [MethodImpl(MethodImplOptions.NoInlining)] + public static int testDotProduct(Vector3 v0) + { + float f1 = (float)random.NextDouble(); + float f2 = (float)random.NextDouble(); + float f3 = (float)random.NextDouble(); + + Vector3 v1 = Vector3.Normalize(getTestValue(f1, f2, f3) - v0); + Vector3 v2 = new Vector3(f1, f2, f3) - v0; + v2 = v2 / v2.Length(); + + if (!Check(v1.X, v2.X) || !Check(v1.Y, v2.Y) || !Check(v1.Z, v2.Z)) + { + Console.WriteLine("Vectors do not match " + v1 + v2); + return -1; + } + + return 100; + } + + [MethodImpl(MethodImplOptions.NoInlining)] + public static int testEquals(Vector3 v0) + { + float f1 = (float)random.NextDouble(); + float f2 = (float)random.NextDouble(); + float f3 = (float)random.NextDouble(); + + Vector3 v1 = new Vector3(f1, f2, f3) - v0; + bool result = v1.Equals(getTestValue(f1, f2, f3) - v0); + + if ((result == false) || !v1.Equals(getTestValue(f1, f2, f3) - v0)) + { + Console.WriteLine("Equals returns wrong value " + v1); + return -1; + } + + return 100; + } + + public static int Main() + { + int returnValue = 100; + Console.WriteLine("Testing Dot Product"); + for (int i = 0; i < 10; i++) + { + StackScribble(); + if (testDotProduct(new Vector3(1.0F, 2.0F, 3.0F)) != 100) + { + Console.WriteLine("Failed on iteration " + i); + returnValue = -1; + break; + } + } + Console.WriteLine("Testing Equals"); + for (int i = 0; i < 10; i++) + { + StackScribble(); + if (testEquals(new Vector3(1.0F, 2.0F, 3.0F)) != 100) + { + Console.WriteLine("Failed on iteration " + i); + returnValue = -1; + break; + } + } + return returnValue; + } + } +} + |