TapeInfos::copy: Copy member-wise rather than byte-wise

To me, this is easier to understand, even though the change makes the
code much longer.  In the long run, supposedly this should turn into
an assignment operator which could be default-implemented.  But that's
for another day.

ADOL-C/src/tape_handling.cpp

@@ -1056,13 +1056,87 @@ TapeInfos::TapeInfos(short _tapeID) : pTapeInfos() {
 }
 
 void TapeInfos::copy(const TapeInfos &tInfos) {
-  char *ptr, *end;
-  char const *tIptr = (char const *)(&tInfos.tapeID);
+  tapeID = tInfos.tapeID;
+  inUse = tInfos.inUse;
+  numInds = tInfos.numInds;
+  numDeps = tInfos.numDeps;
+  keepTaylors = tInfos.keepTaylors;
+  for (size_t i = 0; i < STAT_SIZE; ++i)
+    stats[i] = tInfos.stats[i];
+
+  traceFlag = tInfos.traceFlag;
+  tapingComplete = tInfos.tapingComplete;
+
+  /* operations tape */
+  op_file = tInfos.op_file;
+  opBuffer = tInfos.opBuffer;
+  currOp = tInfos.currOp;
+  lastOpP1 = tInfos.lastOpP1;
+  numOps_Tape = tInfos.numOps_Tape;
+  num_eq_prod = tInfos.num_eq_prod;
+
+  /* values (real) tape */
+  val_file = tInfos.val_file;
+  valBuffer = tInfos.valBuffer;
+  currVal = tInfos.currVal;
+  lastValP1 = tInfos.lastValP1;
+  numVals_Tape = tInfos.numVals_Tape;
+
+  /* locations tape */
+  loc_file = tInfos.loc_file;
+  locBuffer = tInfos.locBuffer;
+  currLoc = tInfos.currLoc;
+  lastLocP1 = tInfos.lastLocP1;
+  numLocs_Tape = tInfos.numLocs_Tape;
+
+  /* taylor stack tape */
+  tay_file = tInfos.tay_file;
+  tayBuffer = tInfos.tayBuffer;
+  currTay = tInfos.currTay;
+  lastTayP1 = tInfos.lastTayP1;
+  numTays_Tape = tInfos.numTays_Tape;
+  nextBufferNumber = tInfos.nextBufferNumber;
+  lastTayBlockInCore = tInfos.lastTayBlockInCore;
+
+  T_for = tInfos.T_for;
+  deg_save = tInfos.deg_save;
+  tay_numInds = tInfos.tay_numInds;
+  tay_numDeps = tInfos.tay_numDeps;
+
+  /* checkpointing */
+  lowestXLoc_for = tInfos.lowestXLoc_for;
+  lowestYLoc_for = tInfos.lowestYLoc_for;
+  lowestXLoc_rev = tInfos.lowestXLoc_rev;
+  lowestYLoc_rev = tInfos.lowestYLoc_rev;
+  cpIndex = tInfos.cpIndex;
+  numDirs_rev = tInfos.numDirs_rev;
+
+  lowestXLoc_ext_v2 = tInfos.lowestXLoc_ext_v2;
+  lowestYLoc_ext_v2 = tInfos.lowestYLoc_ext_v2;
+
+  /* evaluation forward */
+  dp_T0 = tInfos.dp_T0;
+  gDegree = tInfos.gDegree;
+  numTay = tInfos.numTay;
+  workMode = tInfos.workMode;
+
+  dpp_T = tInfos.dpp_T;
+
+  /* evaluation reverse */
+  rp_T = tInfos.rp_T;
+  rpp_T = tInfos.rpp_T;
+  rp_A = tInfos.rp_A;
+  rpp_A = tInfos.rpp_A;
+  upp_A = tInfos.upp_A;
+
+  /* extern diff. fcts */
+  ext_diff_fct_index = tInfos.ext_diff_fct_index;
+  in_nested_ctx = tInfos.in_nested_ctx;
+
+  numSwitches = tInfos.numSwitches;
+  switchlocs = tInfos.switchlocs;
+  signature = tInfos.signature;
 
-  ptr = (char *)(&this->tapeID);
-  end = (char *)(&this->pTapeInfos);
-  for (; ptr != end; ptr++, tIptr++)
-    *ptr = *tIptr;
   pTapeInfos = tInfos.pTapeInfos;
 }