MersenneDivisorCycles converted to device template.

PerfectNumbers.Core/Cpu/MersenneNumberIncrementalCpuTester.cs

@@ -4,7 +4,7 @@ namespace PerfectNumbers.Core.Cpu;
 
 public class MersenneNumberIncrementalCpuTester(GpuKernelType kernelType)
 {
-	private static readonly MersenneDivisorCycles _cycles = MersenneDivisorCycles.Shared;
+	private static readonly MersenneDivisorCyclesCpu _cycles = MersenneDivisorCyclesCpu.Shared;
 	private readonly GpuKernelType _kernelType = kernelType;
 
 	public void Scan(PrimeOrderCalculatorAccelerator gpu, ulong exponent, UInt128 twoP, LastDigit lastDigit, UInt128 maxK, ref bool isPrime)
@@ -31,7 +31,7 @@ public class MersenneNumberIncrementalCpuTester(GpuKernelType kernelType)
 		{
 			// TODO: Replace this direct GetCycle call with DivisorCycleCache.Lookup so we reuse the single snapshot block
 			// and compute missing cycles on the configured device without queuing additional block generation.
-			qCycle = MersenneDivisorCycles.GetCycleCpu(q);
+			qCycle = MersenneDivisorCyclesCpu.GetCycle(q);
 			shouldCheck = auto.Mod10R != 5UL;
 			if (shouldCheck)
 			{

PerfectNumbers.Core/Cpu/MersenneNumberLucasLehmerCpuTester.cs

@@ -34,7 +34,7 @@ public class MersenneNumberLucasLehmerCpuTester
 		for (UInt128 i = UInt128.Zero; i < limit; i++)
 		{
 			// Lucas–Lehmer squares the evolving residue, so we stay on the Montgomery powmod path rather than the pow2-specific helper.
-			s = s.PowModWithCycle(two, MersenneDivisorCycles.GetCycleCpu(m)) - two;
+			s = s.PowModWithCycle(two, MersenneDivisorCyclesCpu.GetCycle(m)) - two;
 			if (s < UInt128.Zero)
 			{
 				s += m;
@@ -44,3 +44,4 @@ public class MersenneNumberLucasLehmerCpuTester
 		return s == UInt128.Zero;
 	}
 }
+

PerfectNumbers.Core/Cpu/MersenneNumberOrderCpuTester.cs

@@ -15,7 +15,7 @@ public class MersenneNumberOrderCpuTester(GpuKernelType kernelType)
 
 		while (k <= maxK && Volatile.Read(ref isPrime))
 		{
-			qCycle = MersenneDivisorCycles.GetCycleCpu(q);
+			qCycle = MersenneDivisorCyclesCpu.GetCycle(q);
 			// TODO: When this lookup misses the snapshot, invoke the configured device to compute the
 			// single required cycle on demand without persisting it so the CPU order path retains the
 			// cycle-stepping speedups while honoring the no-extra-cache constraint for large divisors.
@@ -76,4 +76,4 @@ public class MersenneNumberOrderCpuTester(GpuKernelType kernelType)
 		return;
 	}
 
-}
+}