v-yusudz/tracer-minor-fixes

src/Simulation/QCTraceSimulator/DepthCounter.cs

@@ -87,8 +87,8 @@ public void OnOperationEnd(object[] returnedQubitsTraceData)
             OperationCallRecord caller = operationCallStack.Peek();
             HashedString callerName = caller.OperationName;
 
-            caller.ReleasedQubitsAvailableTime = Max(opRec.ReleasedQubitsAvailableTime, caller.ReleasedQubitsAvailableTime );
-            caller.ReleasedQubitsAvailableTime = Max(opRec.ReleasedQubitsAvailableTime, caller.ReleasedQubitsAvailableTime );
+            caller.ReleasedQubitsAvailableTime = Max(opRec.ReleasedQubitsAvailableTime, caller.ReleasedQubitsAvailableTime);
+            caller.ReturnedQubitsAvailableTime = Max(opRec.ReturnedQubitsAvailableTime, caller.ReturnedQubitsAvailableTime);
 
             double[] metrics =
                 StatisticsRecord( 

src/Simulation/QCTraceSimulator/DistinctInputsChecker.cs

@@ -5,7 +5,6 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.Quantum.Simulation.Core;
-using Microsoft.Quantum.Simulation.Simulators.QCTraceSimulators;
 
 namespace Microsoft.Quantum.Simulation.QCTraceSimulatorRuntime
 {

src/Simulation/QCTraceSimulator/Exceptions.cs

@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-namespace Microsoft.Quantum.Simulation.Simulators.QCTraceSimulators
+namespace Microsoft.Quantum.Simulation.QCTraceSimulatorRuntime
 {
     /// <summary>
     /// This exception is thrown when the input to an 

src/Simulation/QCTraceSimulator/InvalidatedQubitsUseChecker.cs

@@ -8,7 +8,6 @@
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.Quantum.Simulation.Core;
-using Microsoft.Quantum.Simulation.Simulators.QCTraceSimulators;
 
 namespace Microsoft.Quantum.Simulation.QCTraceSimulatorRuntime
 {

src/Simulation/QCTraceSimulator/QCTraceSimulatorCore.cs

@@ -8,7 +8,6 @@ namespace Microsoft.Quantum.Simulation.QCTraceSimulatorRuntime
     using System.Collections.Generic;
     using System.Diagnostics;
     using Microsoft.Quantum.Simulation.Common;
-    using Microsoft.Quantum.Simulation.Simulators.QCTraceSimulators;
     using System.Linq;
 
     [Serializable]

src/Simulation/QCTraceSimulator/QubitMetrics.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using Microsoft.Quantum.Simulation.Simulators.QCTraceSimulators;
-
 namespace Microsoft.Quantum.Simulation.QCTraceSimulatorRuntime
 {
     /// <summary>

src/Simulation/Simulators/QCTraceSimulator/QCTraceSimulatorImpl.cs

@@ -177,32 +177,6 @@ from op in primitiveOperationAsCircuits
             }
         }
 
-        #region Helpers
-        static private (long, long) Reduce(long numerator, long denominatorPower)
-        {
-            if (numerator == 0)
-            {
-                return (0, 0);
-            }
-
-            if (numerator % 2 != 0)
-            {
-                return (numerator, denominatorPower);
-            }
-
-            long numNew = numerator;
-            long denomPowerNew = denominatorPower;
-
-            while (numNew % 2 == 0)
-            {
-                numNew /= 2;
-                denomPowerNew -= 1;
-            }
-
-            return (numNew, denomPowerNew);
-        }
-        #endregion
-
         #region Primitive operations logic 
 
         private void DoPrimitiveOperation(PrimitiveOperationsGroups operation, IQArray<Qubit> target, bool invalidateConstraints = true)
@@ -228,7 +202,7 @@ private void RFrac(Pauli pauli, long numerator, long denominatorPower, Qubit tar
                 return; // global phase case
             }
 
-            (long numNew, long denomPowerNew) = Reduce(numerator, denominatorPower);
+            (long numNew, long denomPowerNew) = CommonUtils.Reduce(numerator, denominatorPower);
             switch (denomPowerNew)
             {
                 case 3: