Reverting d0 sign change in track unpacker and changing displaced vertex class version to 3

Author: ryanm124

DataFormats/L1Trigger/src/classes_def.xml

@@ -335,8 +335,8 @@
   <class name="edm::Wrapper<l1t::VertexWordCollection>"/>
   <class name="edm::Ref<l1t::VertexWordCollection>" />
 
-  <class name="l1t::DisplacedTrackVertex" ClassVersion="11">
-    <version ClassVersion="11" checksum="698293252"/>
+  <class name="l1t::DisplacedTrackVertex" ClassVersion="3">
+    <version ClassVersion="3" checksum="698293252"/>
   </class>
   <class name="std::vector<l1t::DisplacedTrackVertex>"/>
   <class name="edm::Wrapper<std::vector<l1t::DisplacedTrackVertex> >"/>

L1Trigger/L1TTrackMatch/plugins/L1TrackUnpacker.h

@@ -20,7 +20,7 @@ namespace l1trackunpacker {
   typedef ap_fixed<TTTrack_TrackWord::TrackBitWidths::kTanlSize, ETA_INTPART_BITS, AP_TRN, AP_SAT> glbeta_intern;
   typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kPhiSize + kExtraGlobalPhiBit> glbphi_intern;
   typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kZ0Size> z0_intern;  // 40cm / 0.1
-  typedef ap_int<TTTrack_TrackWord::TrackBitWidths::kD0Size> d0_intern;
+  typedef ap_uint<TTTrack_TrackWord::TrackBitWidths::kD0Size> d0_intern;
 
   inline const unsigned int DoubleToBit(double value, unsigned int maxBits, double step) {
     unsigned int digitized_value = std::floor(std::abs(value) / step);