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Split MulHigh extensions into CPU and GPU variants

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Marek Lemańczyk committed 2025-10-26 22:42:21 +01:00
1 parent 3d458fc6da
commit 0e1212aa1c
7 files changed
+32 -16
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PerfectNumbers.Core.Tests/ULongExtensionsTests.cs
+12 -2
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@@ -131,11 +131,21 @@ public class ULongExtensionsTests
[InlineData(0UL, 0UL)]
[InlineData(ulong.MaxValue, 1UL)]
[InlineData(123456789UL, 987654321UL)]
public void MulHigh_matches_high_bits(ulong x, ulong y)
public void MulHighCpu_matches_high_bits(ulong x, ulong y)
{
ulong expected = (ulong)(((UInt128)x * y) >> 64);
x.MulHigh(y).Should().Be(expected);
x.MulHighCpu(y).Should().Be(expected);
}
[Theory]
[Trait("Category", "Fast")]
[InlineData(0UL, 0UL)]
[InlineData(ulong.MaxValue, 1UL)]
[InlineData(123456789UL, 987654321UL)]
public void MulHighGpu_matches_cpu_baseline(ulong x, ulong y)
{
x.MulHighGpu(y).Should().Be(x.MulHighCpu(y));
}
[Theory]