/*************************************************************************
* This function checks whether or not the boundary information is correct
**************************************************************************/
idxtype CheckBnd2(GraphType *graph) 
{
  idxtype i, j, nvtxs, nbnd, id, ed;
  idxtype *xadj, *adjncy, *where, *bndptr, *bndind;

  nvtxs = graph->nvtxs;
  xadj = graph->xadj;
  adjncy = graph->adjncy;
  where = graph->where;
  bndptr = graph->bndptr;
  bndind = graph->bndind;

  for (nbnd=0, i=0; i<nvtxs; i++) {
    id = ed = 0;
    for (j=xadj[i]; j<xadj[i+1]; j++) {
      if (where[i] != where[adjncy[j]]) 
        ed += graph->adjwgt[j];
      else
        id += graph->adjwgt[j];
    }
    if (ed - id >= 0 && xadj[i] < xadj[i+1]) {
      nbnd++;
      ASSERTP(bndptr[i] != -1, ("%d %d %d\n", i, id, ed));
      ASSERT(bndind[bndptr[i]] == i);
    }
  }

  ASSERTP(nbnd == graph->nbnd, ("%d %d\n", nbnd, graph->nbnd));

  return 1;
}

/*************************************************************************
* This function checks whether or not the boundary information is correct
**************************************************************************/
idxtype CheckNodeBnd(GraphType *graph, idxtype onbnd) 
{
  idxtype i, j, nvtxs, nbnd;
  idxtype *xadj, *adjncy, *where, *bndptr, *bndind;

  nvtxs = graph->nvtxs;
  xadj = graph->xadj;
  adjncy = graph->adjncy;
  where = graph->where;
  bndptr = graph->bndptr;
  bndind = graph->bndind;

  for (nbnd=0, i=0; i<nvtxs; i++) {
    if (where[i] == 2) 
      nbnd++;   
  }

  ASSERTP(nbnd == onbnd, ("%d %d\n", nbnd, onbnd));

  for (i=0; i<nvtxs; i++) {
    if (where[i] != 2) {
      ASSERTP(bndptr[i] == -1, ("%d %d\n", i, bndptr[i]));
    }
    else {
      ASSERTP(bndptr[i] != -1, ("%d %d\n", i, bndptr[i]));
    }
  }

  return 1;
}

/**
 * Begin an object. Only allowed at the beginning of the output,
 * after adding an object or inside an array.
 */
void Saver::beginObject(void) throw(io::IOException) {
	ASSERTP(state != END, "json: ended output!");
	ASSERTP(!isObject(state), "json: object creation only allowed in a field or an array");
	doIndent();
	_out << "{";
	if(isArray(state))
		stack.push(state);
	state = OBJECT;
}

/**
 * Adds an attribute to this element, replacing any existing attribute with the
 * same local name and namespace URI.
 * @param attribute the attribute to add
 * @throw MultipleParentException if the attribute is already attached to an
 * element
 * @throw NamespaceConflictException - if the attribute's prefix is mapped to a
 * different namespace URI than the same prefix is mapped to by this element,
 * another attribute of this element, or an additional namespace declaration of
 * this element.
 */
void Element::addAttribute(Attribute *attribute) {
	ASSERTP(attribute, "null attribute");
	ASSERTP(!attribute->getNode(), "already added attribute");
	xmlAttrPtr attr;
	// !!TODO!! add support for namespace
	attr = xmlSetProp(NODE(node), attribute->getLocalName(), attribute->getValue());
	ASSERT(attr);
	attribute->setNode(attr);
}

/**
 * Add the given node to the tree.
 * @param node		Node to add.
 */
void SortedBinTree::insert(Node *node) {
	ASSERTP(node, "null node");
	if(isEmpty())
		setRoot(node);
	else
		insert(root(), node);
}

void Project2WayNodePartition(ctrl_t *ctrl, graph_t *graph)
{
  idx_t i, j, nvtxs;
  idx_t *cmap, *where, *cwhere;
  graph_t *cgraph;

  cgraph = graph->coarser;
  cwhere = cgraph->where;

  nvtxs = graph->nvtxs;
  cmap  = graph->cmap;

  Allocate2WayNodePartitionMemory(ctrl, graph);
  where = graph->where;
  
  /* Project the partition */
  for (i=0; i<nvtxs; i++) {
    where[i] = cwhere[cmap[i]];
    ASSERTP(where[i] >= 0 && where[i] <= 2, ("%"PRIDX" %"PRIDX" %"PRIDX" %"PRIDX"\n", 
          i, cmap[i], where[i], cwhere[cmap[i]]));
  }

  FreeGraph(&graph->coarser);
  graph->coarser = NULL;

  Compute2WayNodePartitionParams(ctrl, graph);
}

/*************************************************************************
* This function checks whether or not the boundary information is correct
**************************************************************************/
idxtype CheckBnd(GraphType *graph) 
{
  idxtype i, j, nvtxs, nbnd;
  idxtype *xadj, *adjncy, *where, *bndptr, *bndind;

  nvtxs = graph->nvtxs;
  xadj = graph->xadj;
  adjncy = graph->adjncy;
  where = graph->where;
  bndptr = graph->bndptr;
  bndind = graph->bndind;

  for (nbnd=0, i=0; i<nvtxs; i++) {
    if (xadj[i+1]-xadj[i] == 0)
      nbnd++;   /* Islands are considered to be boundary vertices */

    for (j=xadj[i]; j<xadj[i+1]; j++) {
      if (where[i] != where[adjncy[j]]) {
        nbnd++;
        ASSERT(bndptr[i] != -1);
        ASSERT(bndind[bndptr[i]] == i);
        break;
      }
    }
  }

  ASSERTP(nbnd == graph->nbnd, ("%d %d\n", nbnd, graph->nbnd));

  return 1;
}

/*************************************************************************
* This function checks whether or not the rinfo of a vertex is consistent
**************************************************************************/
idxtype CheckRInfo(RInfoType *rinfo)
{
  idxtype i, j;

  for (i=0; i<rinfo->ndegrees; i++) {
    for (j=i+1; j<rinfo->ndegrees; j++)
      ASSERTP(rinfo->edegrees[i].pid != rinfo->edegrees[j].pid, ("%d %d %d %d\n", i, j, rinfo->edegrees[i].pid, rinfo->edegrees[j].pid));
  }

  return 1;
}

/**
 * Returns the indexth namespace prefix declared on this element. Namespaces
 * inherited from ancestors are not included. The index is purely for
 * convenience, and has no meaning in itself. This includes the namespaces of
 * the element name and of all attributes' names (except for those with the
 * prefix xml such as xml:space) as well as additional declarations made for
 * attribute values and element content. However, prefixes used multiple times
 * (e.g. on several attribute values) are only reported once. The default
 * namespace is reported with an empty string prefix if present. Like most lists
 * in Java, the first prefix is at index 0.
 * @par
 * If the namespaces on the element change for any reason (adding or removing an
 * attribute in a namespace, adding or removing a namespace declaration,
 * changing the prefix of an element, etc.) then then this method may skip or
 * repeat prefixes. Don't change the prefixes of an element while iterating
 * across them.
 * @param index The prefix to return.
 * @return The prefix.
 **/
String Element::getNamespacePrefix(int index) {
	for(xmlNs *ns = NODE(node)->nsDef; ns; ns = ns->next) {
		if(index)
			index--;
		else if(ns->prefix)
			return ns->prefix;
		else
			return "";
	}
	ASSERTP(false, "namespace index out of bounds");
	return "";
}

/**
 * Create a random access stream from a file, removing it if it already exists.
 * @param path			Path of the file to open.
 * @param access		Type of access (one of READ, WRITE, READ_WRITE).
 * @return				Opened file.
 * @throws IOException	Thrown if there is an error.
 */
io::RandomAccessStream *System::createRandomFile(
		const sys::Path& path,
		access_t access)
throw(SystemException)
{
	ASSERTP(access != READ, "file creation requires at least a write mode");
	int fd = ::open(&path.toString(), makeFlags(access) | O_CREAT | O_TRUNC, 0666);
	if(fd < 0)
		throw SystemException(errno, _ << "cannot create \"" << path << "\"");
	else
#		if defined(__unix)  || defined(__APPLE__)
			return new UnixRandomAccessStream(fd);
#		elif defined(__WIN32) || defined(__WIN64)
			return new WinRandomAccessStream(fd);
#		else
#			error "Unsupported on this OS !"
#		endif
}

/*************************************************************************
* This function checks if the separator is indeed a separator
**************************************************************************/
idxtype IsSeparable(GraphType *graph)
{
  idxtype i, j, nvtxs, other;
  idxtype *xadj, *adjncy, *where;

  nvtxs = graph->nvtxs;
  xadj = graph->xadj;
  adjncy = graph->adjncy;
  where = graph->where;

  for (i=0; i<nvtxs; i++) {
    if (where[i] == 2)
      continue;
    other = (where[i]+1)%2;
    for (j=xadj[i]; j<xadj[i+1]; j++) {
      ASSERTP(where[adjncy[j]] != other, ("%d %d %d %d %d %d\n", i, where[i], adjncy[j], where[adjncy[j]], xadj[i+1]-xadj[i], xadj[adjncy[j]+1]-xadj[adjncy[j]]));
    }
  }

  return 1;
}

/**
 * Test if the first basic block postdominates the second one.
 * @param bb1	Dominator BB.
 * @param bb2	Dominated BB.
 * @return		True if bb1 postdominates bb2.
 */
bool PostDominance::postDominates(BasicBlock *bb1, BasicBlock *bb2) {
	ASSERTP(bb1, "null BB 1");
	ASSERTP(bb2, "null BB 2");
	ASSERTP(bb1->cfg() == bb2->cfg(), "both BB are not owned by the same CFG");
	int index = bb1->number();
	ASSERTP(index >= 0, "no index for BB 1");
	BitSet *set = REVERSE_POSTDOM(bb2);
	ASSERTP(set, "no index for BB 2");

	ASSERTP(bb1 == bb2
		||	!REVERSE_POSTDOM(bb1)->contains(bb2->number())
		||  !REVERSE_POSTDOM(bb2)->contains(bb1->number()),
			"CFG with disconnected nodes");

	return set->contains(index);
}

//.........这里部分代码省略.........
  cnvwgt = cgraph->nvwgt;
  cadjwgtsum = cgraph->adjwgtsum;
  cadjncy = cgraph->adjncy;
  cadjwgt = cgraph->adjwgt;


  htable = idxset(cnvtxs, -1, idxwspacemalloc(ctrl, cnvtxs));

  iend = xadj[nvtxs];
  auxadj = ctrl->wspace.auxcore; 
  memcpy(auxadj, adjncy, iend*sizeof(idxtype)); 
  for (i=0; i<iend; i++)
    auxadj[i] = cmap[auxadj[i]];

  cxadj[0] = cnvtxs = cnedges = 0;
  for (i=0; i<nvtxs; i++) {
    v = perm[i];
    if (cmap[v] != cnvtxs) 
      continue;

    u = match[v];
    if (ncon == 1)
      cvwgt[cnvtxs] = vwgt[v];
    else
      scopy(ncon, nvwgt+v*ncon, cnvwgt+cnvtxs*ncon);

    if (dovsize)
      cvsize[cnvtxs] = vsize[v];

    cadjwgtsum[cnvtxs] = adjwgtsum[v];
    nedges = 0;

    istart = xadj[v];
    iend = xadj[v+1];
    for (j=istart; j<iend; j++) {
      k = auxadj[j];
      if ((m = htable[k]) == -1) {
        cadjncy[nedges] = k;
        cadjwgt[nedges] = adjwgt[j];
        htable[k] = nedges++;
      }
      else {
        cadjwgt[m] += adjwgt[j];
      }
    }

    if (v != u) { 
      if (ncon == 1)
        cvwgt[cnvtxs] += vwgt[u];
      else
        saxpy(ncon, 1.0, nvwgt+u*ncon, 1, cnvwgt+cnvtxs*ncon, 1);

      if (dovsize)
        cvsize[cnvtxs] += vsize[u];

      cadjwgtsum[cnvtxs] += adjwgtsum[u];

      istart = xadj[u];
      iend = xadj[u+1];
      for (j=istart; j<iend; j++) {
        k = auxadj[j];
        if ((m = htable[k]) == -1) {
          cadjncy[nedges] = k;
          cadjwgt[nedges] = adjwgt[j];
          htable[k] = nedges++;
        }
        else {
          cadjwgt[m] += adjwgt[j];
        }
      }

      /* Remove the contracted adjacency weight */
      if ((j = htable[cnvtxs]) != -1) {
        ASSERT(cadjncy[j] == cnvtxs);
        cadjwgtsum[cnvtxs] -= cadjwgt[j];
        cadjncy[j] = cadjncy[--nedges];
        cadjwgt[j] = cadjwgt[nedges];
        htable[cnvtxs] = -1;
      }
    }

    ASSERTP(cadjwgtsum[cnvtxs] == idxsum(nedges, cadjwgt), ("%d %d\n", cadjwgtsum[cnvtxs], idxsum(nedges, cadjwgt)));

    for (j=0; j<nedges; j++)
      htable[cadjncy[j]] = -1;  /* Zero out the htable */

    cnedges += nedges;
    cxadj[++cnvtxs] = cnedges;
    cadjncy += nedges;
    cadjwgt += nedges;
  }

  cgraph->nedges = cnedges;

  ReAdjustMemory(graph, cgraph, dovsize);

  IFSET(ctrl->dbglvl, DBG_TIME, stoptimer(ctrl->ContractTmr));

  idxwspacefree(ctrl, cnvtxs);
}

//.........这里部分代码省略.........

    u = match[v];
    cvwgt[cnvtxs] = 1;
    cadjwgtsum[cnvtxs] = adjwgtsum[v];
    nedges = 0;

    istart = xadj[v];
    iend = xadj[v+1];
    for (j=istart; j<iend; j++) {
      k = auxadj[j];
      kk = k&mask;
      if ((m = htable[kk]) == -1) {
        cadjncy[nedges] = k;
        cadjwgt[nedges] = 1;
        htable[kk] = nedges++;
      }
      else if (cadjncy[m] == k) {
        cadjwgt[m]++;
      }
      else {
        for (jj=0; jj<nedges; jj++) {
          if (cadjncy[jj] == k) {
            cadjwgt[jj]++;
            break;
          }
        }
        if (jj == nedges) {
          cadjncy[nedges] = k;
          cadjwgt[nedges++] = 1;
        }
      }
    }

    if (v != u) { 
      cvwgt[cnvtxs]++;
      cadjwgtsum[cnvtxs] += adjwgtsum[u];

      istart = xadj[u];
      iend = xadj[u+1];
      for (j=istart; j<iend; j++) {
        k = auxadj[j];
        kk = k&mask;
        if ((m = htable[kk]) == -1) {
          cadjncy[nedges] = k;
          cadjwgt[nedges] = 1;
          htable[kk] = nedges++;
        }
        else if (cadjncy[m] == k) {
          cadjwgt[m]++;
        }
        else {
          for (jj=0; jj<nedges; jj++) {
            if (cadjncy[jj] == k) {
              cadjwgt[jj]++;
              break;
            }
          }
          if (jj == nedges) {
            cadjncy[nedges] = k;
            cadjwgt[nedges++] = 1;
          }
        }
      }

      /* Remove the contracted adjacency weight */
      jj = htable[cnvtxs&mask];
      if (jj >= 0 && cadjncy[jj] != cnvtxs) {
        for (jj=0; jj<nedges; jj++) {
          if (cadjncy[jj] == cnvtxs) 
            break;
        }
      }
      if (jj >= 0 && cadjncy[jj] == cnvtxs) { /* This 2nd check is needed for non-adjacent matchings */
        cadjwgtsum[cnvtxs] -= cadjwgt[jj];
        cadjncy[jj] = cadjncy[--nedges];
        cadjwgt[jj] = cadjwgt[nedges];
      }
    }

    ASSERTP(cadjwgtsum[cnvtxs] == idxsum(nedges, cadjwgt), ("%d %d %d %d %d\n", cnvtxs, cadjwgtsum[cnvtxs], idxsum(nedges, cadjwgt), adjwgtsum[u], adjwgtsum[v]));

    for (j=0; j<nedges; j++)
      htable[cadjncy[j]&mask] = -1;  /* Zero out the htable */
    htable[cnvtxs&mask] = -1;

    cnedges += nedges;
    cxadj[++cnvtxs] = cnedges;
    cadjncy += nedges;
    cadjwgt += nedges;
  }

  cgraph->nedges = cnedges;

  ReAdjustMemory(graph, cgraph, 0);

  IFSET(ctrl->dbglvl, DBG_TIME, stoptimer(ctrl->ContractTmr));

  idxwspacefree(ctrl, mask+1);

}

/**
 * Set the write port size (at least 1).
 * @param read_write_size	Write port size.
 */
void Cache::setWritePortSize(int write_port_size) {
	ASSERTP(write_port_size >= 0, "bad write port size");
	_info.write_port_size = write_port_size;
}

//.........这里部分代码省略.........
            }
          }
        }
      }

      /******************************************/
      /* Let processors know the subdomain wgts */
      /* if all proposed moves commit.          */
      /******************************************/
      MPI_Allreduce((void *)lnpwgts, (void *)pgnpwgts, nparts*ncon,
      MPI_DOUBLE, MPI_SUM, ctrl->comm);

      /**************************/
      /* compute overfill array */
      /**************************/
      overweight = 0;
      for (j=0; j<nparts; j++) {
        for (h=0; h<ncon; h++) {
          if (pgnpwgts[j*ncon+h] > ognpwgts[j*ncon+h]) {
            overfill[j*ncon+h] =
            (pgnpwgts[j*ncon+h]-badmaxpwgt[j*ncon+h]) /
            (pgnpwgts[j*ncon+h]-ognpwgts[j*ncon+h]);
          }
          else {
            overfill[j*ncon+h] = 0.0;
          }

          overfill[j*ncon+h] = amax(overfill[j*ncon+h], 0.0);
          overfill[j*ncon+h] *= movewgts[j*ncon+h];

          if (overfill[j*ncon+h] > 0.0)
            overweight = 1;

          ASSERTP(ctrl, ognpwgts[j*ncon+h] <= badmaxpwgt[j*ncon+h] ||
          pgnpwgts[j*ncon+h] <= ognpwgts[j*ncon+h],
          (ctrl, "%.4f %.4f %.4f\n", ognpwgts[j*ncon+h],
          badmaxpwgt[j*ncon+h], pgnpwgts[j*ncon+h]));
        }
      }

      /****************************************************/
      /* select moves to undo according to overfill array */
      /****************************************************/
      if (overweight == 1) {
        for (iii=0; iii<nmoved; iii++) {
          i = moved[iii];
          oldto = tmp_where[i];
          nvwgt = graph->nvwgt+i*ncon;
          my_edegrees = tmp_rinfo[i].degrees;

          for (k=0; k<tmp_rinfo[i].ndegrees; k++)
            if (my_edegrees[k].edge == where[i])
              break;

          for (h=0; h<ncon; h++)
            if (nvwgt[h] > 0.0 && overfill[oldto*ncon+h] > nvwgt[h]/4.0)
              break;

          /**********************************/
          /* nullify this move if necessary */
          /**********************************/
          if (k != tmp_rinfo[i].ndegrees && h != ncon) {
            moved[iii] = -1;
            from = oldto;
            to = where[i];