--mersenne=bydivisor testers and sessions integrated and converted to structs.

PerfectNumbers.Core/IMersenneNumberDivisorByDivisorTester.cs

@@ -5,32 +5,20 @@ namespace PerfectNumbers.Core;
 
 public interface IMersenneNumberDivisorByDivisorTester
 {
-    int BatchSize { get; set; }
-
-    BigInteger MinK { get; set; }
-
-    void ConfigureFromMaxPrime(ulong maxPrime);
-
-    ulong DivisorLimit { get; }
-
-    ulong GetAllowedMaxDivisor(ulong prime);
-
-    bool IsPrime(PrimeOrderCalculatorAccelerator gpu, ulong prime, out bool divisorsExhausted, out BigInteger divisor);
+    bool IsPrime(ulong prime, out bool divisorsExhausted, out BigInteger divisor);
 
     IDivisorScanSession CreateDivisorSession(PrimeOrderCalculatorAccelerator gpu);
 
-    string? StateFilePath { get; set; }
-
     void ResetStateTracking();
 
-    void ResumeFromState(BigInteger lastSavedK);
+    void ResumeFromState(in string stateFile, in BigInteger lastSavedK, in BigInteger minK);
 
-    void PrepareCandidates(in ReadOnlySpan<ulong> primes, Span<ulong> allowedMaxValues);
+    void PrepareCandidates(ulong maxPrime, in ReadOnlySpan<ulong> primes, Span<ulong> allowedMaxValues);
 
     public interface IDivisorScanSession
     {
         bool CheckDivisor(ulong divisor, in MontgomeryDivisorData divisorData, ulong divisorCycle, in ReadOnlySpan<ulong> primes);
 
-        void Return();
+        // void Return();
     }
 }