Remove CalcException as requested in review

src/CalcManager/CEngine/History.cpp

@@ -12,28 +12,12 @@ constexpr int ASCII_0 = 48;
 using namespace std;
 using namespace CalcEngine;
 
-class CalcException : public std::exception
-{
-public:
-    CalcException(HRESULT hr)
-    {
-        m_hr = hr;
-    }
-    HRESULT GetException()
-    {
-        return m_hr;
-    }
-private:
-    HRESULT m_hr;
-};
-
 namespace {
     void IFT(HRESULT hr)
     {
         if (FAILED(hr))
         {
-            CalcException exception(hr);
+            throw hr;
-            throw(exception);
         }
     }
 }

src/CalcManager/CEngine/scicomm.cpp

@@ -26,11 +26,11 @@
 using namespace std;
 using namespace CalcEngine;
 
-// NPrecedenceOfOp
-//
-//  returns a virtual number for precedence for the operator. We expect binary operator only, otherwise the lowest number
-// 0 is returned. Higher the number, higher the precedence of the operator.
 namespace {
+    // NPrecedenceOfOp
+    //
+    //  returns a virtual number for precedence for the operator. We expect binary operator only, otherwise the lowest number
+    // 0 is returned. Higher the number, higher the precedence of the operator.
     INT NPrecedenceOfOp(int nopCode)
     {
         static BYTE    rgbPrec[] = { 0,0,  IDC_OR,0, IDC_XOR,0,  IDC_AND,1,