PrimeOrderCalculator.PartialFactorCpu simplified to work only with spans and throw exception if the number of factors is exceeded. PrimeOrderMode removed in favor of bool flag.

PerfectNumbers.Core/PrimeOrderCalculator.cs

@@ -4,39 +4,33 @@ namespace PerfectNumbers.Core;
 
 internal static partial class PrimeOrderCalculator
 {
-	internal enum PrimeOrderMode
+	internal readonly struct PrimeOrderCalculatorConfig(uint smallFactorLimit, int pollardRhoMilliseconds, int maxPowChecks, bool strictMode)
 	{
-		Heuristic,
-		Strict,
-	}
+		private static PrimeOrderCalculatorConfig _heuristicDefault = CreateHeuristicDefault(UnboundedTaskScheduler.ConfiguredThreadCount);
 
-	internal readonly struct PrimeOrderSearchConfig(uint smallFactorLimit, int pollardRhoMilliseconds, int maxPowChecks, PrimeOrderMode mode)
-	{
-		private static PrimeOrderSearchConfig _heuristicDefault = CreateHeuristicDefault(UnboundedTaskScheduler.ConfiguredThreadCount);
-
-		public static PrimeOrderSearchConfig HeuristicDefault
+		public static PrimeOrderCalculatorConfig HeuristicDefault
 		{
 			[MethodImpl(MethodImplOptions.AggressiveInlining)]
 			get => _heuristicDefault;
 		}
 
-		public static readonly PrimeOrderSearchConfig StrictDefault = new(smallFactorLimit: 1_000_000, pollardRhoMilliseconds: 0, maxPowChecks: 0, PrimeOrderMode.Strict);
+		public static readonly PrimeOrderCalculatorConfig StrictDefault = new(smallFactorLimit: 1_000_000, pollardRhoMilliseconds: 0, maxPowChecks: 0, true);
 
 		public static void ConfigureHeuristicDefault(int threadCount)
 		{
 			_heuristicDefault = CreateHeuristicDefault(threadCount);
 		}
 
-		public static PrimeOrderSearchConfig CreateHeuristicDefault(int threadCount)
+		public static PrimeOrderCalculatorConfig CreateHeuristicDefault(int threadCount)
 		{
 			int normalizedThreadCount = threadCount < 1 ? 1 : threadCount;
-			return new(smallFactorLimit: 100_000, pollardRhoMilliseconds: normalizedThreadCount * 24, maxPowChecks: 24, PrimeOrderMode.Heuristic);
+			return new(smallFactorLimit: 100_000, pollardRhoMilliseconds: normalizedThreadCount * 24, maxPowChecks: 24, false);
 		}
 
 		public readonly uint SmallFactorLimit = smallFactorLimit;
 		public readonly int PollardRhoMilliseconds = pollardRhoMilliseconds;
 		public readonly int MaxPowChecks = maxPowChecks;
-		public readonly PrimeOrderMode Mode = mode;
+		public readonly bool StrictMode = strictMode;
 	}
 
 	// TODO: Remove branching on the CPU / GPU paths