add patch from PR #1

Xilinx/HLS_arbitrary_Precision_Types#1

Author: tomeichlersmith

Tools/HLS_Arbitrary_Precision_Types/include/ap_impl/ap_private.h

@@ -1590,7 +1590,7 @@ ASSIGN_OP_FROM_INT(double)
   }
 
  public:
-  INLINE ap_private() {
+  INLINE ap_private() : VAL(0) {
     set_canary();
     clearUnusedBits();
     check_canary();
@@ -3302,6 +3302,7 @@ class ap_private<_AP_W, _AP_S, false> {
   ///  for object deserialization (pair this with the static method Read).
   INLINE ap_private() {
     set_canary();
+    memset(pVal, 0, _AP_N * sizeof(uint64_t));
     clearUnusedBits();
     check_canary();
   }