working on dynamic wrapping, a good awaiting is on way

StgSharp.Mathematics/Numeric/MatrixParallel.cs

@@ -27,6 +27,7 @@
 // -----------------------------------------------------------------------
 using StgSharp.Collections;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
@@ -74,46 +75,18 @@ namespace StgSharp.Mathematics.Numeric
             for (int i = 0; i < count; i++) {
                 _threads.Push(new());
             }
+            _awaitingLeaderHandle = new ConcurrentQueue<WaitHandle>();
             IsInitialized = true;
         }
 
-        public static void LaunchParallel(IEnumerable<MatrixParallelWrap> wraps, SleepMode afterWork)
+        public static void LaunchParallel(MatrixParallelHandle handle, SleepMode afterWork)
         {
             RemainThreadCount = _threads.Count;
             _AfterWork = (ThreadPriority)afterWork;
-            ResetThreadCount();
-            foreach (MatrixParallelWrap w in wraps) {
+            foreach (MatrixParallelWrap w in handle.Wraps) {
                 w.SchedulerReset.Set();
             }
         }
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static void ResetThreadCount()
-        {
-            RemainThreadCount = _threads.Count;
-        }
-
-        #region wrap field
-
-        public static MatrixParallelThread[] LeadParallel(int recommendCount)
-        {
-#if NET9_0_OR_GREATER
-#else
-            Monitor.Enter(_lock);
-#endif
-
-            return _threads.PopRange(recommendCount);
-        }
-
-        public static void ReleaseParallelLeadership(ref MatrixParallelThread[] pool)
-        {
-#if NET9_0_OR_GREATER
-#else
-            Monitor.Exit(_lock);
-#endif
-            pool = null!;
-        }
-
-        #endregion
     }
 }