mlemanczyk/even-perfect-numbers-scanner
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Use LastDigit enum across Mersenne scanners

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Marek Lemańczyk committed 2025-10-26 16:04:05 +01:00
1 parent 43c7bafd5d
commit a83ae56caf
15 files changed
+83 -49
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PerfectNumbers.Core.Tests/MersenneNumberIncrementalCpuTesterTests.cs
+3 -2
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Cpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -7,7 +8,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberIncrementalCpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Theory]
[InlineData(GpuKernelType.Incremental)]
@@ -30,7 +31,7 @@ public class MersenneNumberIncrementalCpuTesterTests
private static void RunCase(MersenneNumberIncrementalCpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/MersenneNumberIncrementalGpuTesterTests.cs
+3 -2
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@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Gpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -7,7 +8,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberIncrementalGpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Theory(Skip = "Disabled until the GPU incremental cycle heuristics are ported.")]
[InlineData(GpuKernelType.Pow2Mod, false)]
@@ -32,7 +33,7 @@ public class MersenneNumberIncrementalGpuTesterTests
private static void RunCase(MersenneNumberIncrementalGpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/MersenneNumberOrderCpuTesterTests.cs
+3 -2
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Cpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -7,7 +8,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberOrderCpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Theory]
[InlineData(GpuKernelType.Incremental)]
@@ -30,7 +31,7 @@ public class MersenneNumberOrderCpuTesterTests
private static void RunCase(MersenneNumberOrderCpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/MersenneNumberOrderGpuTesterTests.cs
+4 -3
View File
@@ -1,5 +1,6 @@
using System.Reflection;
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Gpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -8,7 +9,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberOrderGpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Theory]
[InlineData(GpuKernelType.Pow2Mod, false)]
@@ -64,7 +65,7 @@ public class MersenneNumberOrderGpuTesterTests
tester.Scan(
exponent,
(UInt128)exponent << 1,
LastDigitIsSeven(exponent),
GetLastDigit(exponent),
(UInt128)10UL,
ref isPrime);
@@ -86,7 +87,7 @@ public class MersenneNumberOrderGpuTesterTests
private static void RunCase(MersenneNumberOrderGpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/MersenneNumberResidueCpuTesterTests.cs
+3 -2
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Cpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -7,7 +8,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberResidueCpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Fact]
[Trait("Category", "Fast")]
@@ -24,7 +25,7 @@ public class MersenneNumberResidueCpuTesterTests
private static void RunCase(MersenneNumberResidueCpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}
PerfectNumbers.Core.Tests/MersenneNumberResidueGpuTesterTests.cs
+3 -2
View File
@@ -1,4 +1,5 @@
using FluentAssertions;
using PerfectNumbers.Core;
using PerfectNumbers.Core.Gpu;
using Xunit;
using UInt128 = System.UInt128;
@@ -7,7 +8,7 @@ namespace PerfectNumbers.Core.Tests;
public class MersenneNumberResidueGpuTesterTests
{
private static bool LastDigitIsSeven(ulong exponent) => (exponent & 3UL) == 3UL;
private static LastDigit GetLastDigit(ulong exponent) => (exponent & 3UL) == 3UL ? LastDigit.Seven : LastDigit.One;
[Theory]
[InlineData(false)]
@@ -27,7 +28,7 @@ public class MersenneNumberResidueGpuTesterTests
private static void RunCase(MersenneNumberResidueGpuTester tester, ulong exponent, ulong maxK, bool expectedPrime)
{
bool isPrime = true;
tester.Scan(exponent, (UInt128)exponent << 1, LastDigitIsSeven(exponent), (UInt128)maxK, ref isPrime);
tester.Scan(exponent, (UInt128)exponent << 1, GetLastDigit(exponent), (UInt128)maxK, ref isPrime);
isPrime.Should().Be(expectedPrime);
}
}