mlemanczyk/even-perfect-numbers-scanner
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Pow2MontgomeryModWindowedConvertToStandardCpu usages replaced with a comparison to MontgomeryOne avoiding unnecessary conversions. Results updated.

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mlemanczyk committed 2026-01-03 01:37:40 +01:00
1 parent 3f59cdc14b
commit 6b80e31e6c
7 files changed
+57 -34
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PerfectNumbers.Core/MersenneDivisorCyclesTemplate.cs
+2 -2
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@@ -99,7 +99,7 @@ public struct MersenneDivisorCyclesTemplate
return cycleLength == exponent;
}
return exponent.Pow2MontgomeryModWindowedConvertToStandardCpu(divisorData) == 1UL;
return exponent.Pow2MontgomeryModWindowedKeepMontgomeryCpu(divisorData) == divisorData.MontgomeryOne;
}
public static bool CycleEqualsExponentForMersenneCandidate(ulong divisor, in MontgomeryDivisorData divisorData, ulong exponent)
@@ -125,7 +125,7 @@ public struct MersenneDivisorCyclesTemplate
}
}
return exponent.Pow2MontgomeryModWindowedConvertToStandardCpu(divisorData) == 1UL;
return exponent.Pow2MontgomeryModWindowedKeepMontgomeryCpu(divisorData) == divisorData.MontgomeryOne;
}
private static bool IsValidMersenneDivisorCandidate(ulong divisor, ulong exponent)