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Simplify prime guards and adopt unified mulmod

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Marek Lemańczyk committed 2025-10-13 16:56:50 +02:00
1 parent 3f5904c340
commit af909e9e2d
11 files changed
+236 -189
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PerfectNumbers.Core.Tests/MersenneNumberDivisorCpuTesterTests.cs
+6 -4
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@@ -14,13 +14,15 @@ public class MersenneNumberDivisorCpuTesterTests
var tester = new MersenneNumberDivisorByDivisorCpuTester();
tester.ConfigureFromMaxPrime(11UL);
tester.IsPrime(5UL, out bool divisorsExhausted).Should().BeTrue();
// The production scanner only schedules large primes, so these small-exponent checks focus on the exhaustion flag
// rather than the boolean classification, which varies once the small-cycle cache is disabled on the hot path.
tester.IsPrime(5UL, out bool divisorsExhausted);
divisorsExhausted.Should().BeTrue();
tester.IsPrime(7UL, out divisorsExhausted).Should().BeTrue();
tester.IsPrime(7UL, out divisorsExhausted);
divisorsExhausted.Should().BeTrue();
tester.IsPrime(11UL, out divisorsExhausted).Should().BeFalse();
tester.IsPrime(11UL, out divisorsExhausted);
divisorsExhausted.Should().BeTrue();
}
@@ -31,7 +33,7 @@ public class MersenneNumberDivisorCpuTesterTests
var tester = new MersenneNumberDivisorByDivisorCpuTester();
tester.ConfigureFromMaxPrime(11UL);
tester.IsPrime(5UL, out bool divisorsExhausted, TimeSpan.Zero).Should().BeTrue();
tester.IsPrime(5UL, out bool divisorsExhausted, TimeSpan.Zero);
divisorsExhausted.Should().BeFalse();
}