source: vis_dev/vis-2.3/src/part/partCmd.c @ 45

Last change on this file since 45 was 14, checked in by cecile, 13 years ago

vis2.3
File size: 22.9 KB
Line 
1/**CFile***********************************************************************
2
3  FileName    [partCmd.c]
4
5  PackageName [part]
6
7  Synopsis    [Command interface for the partition package.]
8
9  Author      [Abelardo Pardo]
10
11  Copyright   [This file was created at the University of Colorado at
12  Boulder.  The University of Colorado at Boulder makes no warranty
13  about the suitability of this software for any purpose.  It is
14  presented on an AS IS basis.]
15
16******************************************************************************/
17
18#include "partInt.h"
19
20static char rcsid[] UNUSED = "$Id: partCmd.c,v 1.22 2009/04/11 01:47:18 fabio Exp $";
21
22/*---------------------------------------------------------------------------*/
23/* Variable declarations                                                     */
24/*---------------------------------------------------------------------------*/
25/**Variable********************************************************************
26
27  Synopsis    [Buffer to store the environment in a setjmp call]
28
29  SeeAlso     [TimeOutHandle]
30
31******************************************************************************/
32static jmp_buf timeOutEnv;
33
34/**AutomaticStart*************************************************************/
35
36/*---------------------------------------------------------------------------*/
37/* Static function prototypes                                                */
38/*---------------------------------------------------------------------------*/
39
40static int CommandBuildPartitionMdds(Hrc_Manager_t ** hmgr, int argc, char ** argv);
41static int CommandPrintPartition(Hrc_Manager_t **hmgr, int argc, char **argv);
42static int CommandPrintPartitionStats(Hrc_Manager_t **hmgr, int argc, char **argv);
43static void TimeOutHandle(void);
44
45/**AutomaticEnd***************************************************************/
46
47
48/*---------------------------------------------------------------------------*/
49/* Definition of exported functions                                          */
50/*---------------------------------------------------------------------------*/
51
52/**Function********************************************************************
53
54  Synopsis    [Initializes the partitioning package.]
55
56  SideEffects []
57
58  SeeAlso     [Part_End]
59
60******************************************************************************/
61void
62Part_Init(void)
63{
64  Cmd_CommandAdd("build_partition_mdds", CommandBuildPartitionMdds,
65                 0/* doesn't change network */);
66  Cmd_CommandAdd("print_partition", CommandPrintPartition,
67                 0/* doesn't change network */);
68  Cmd_CommandAdd("print_partition_stats", CommandPrintPartitionStats,
69                 0/* doesn't change network*/);
70} /* End of Part_Init */
71
72
73/**Function********************************************************************
74
75  Synopsis    [Ends the partitioning package.]
76
77  SideEffects []
78
79  SeeAlso     [Part_Init]
80
81******************************************************************************/
82void
83Part_End(void)
84{
85} /* End of Part_End */
86
87/*---------------------------------------------------------------------------*/
88/* Definition of internal functions                                          */
89/*---------------------------------------------------------------------------*/
90
91
92/*---------------------------------------------------------------------------*/
93/* Definition of static functions                                            */
94/*---------------------------------------------------------------------------*/
95
96/**Function********************************************************************
97
98  Synopsis    [Implements the build_partition_mdds command.]
99
100  Description [The data structure needed to store the information
101  related to the partitioning process will be stored in a graph_t
102  structure that will become part of the network. This procedure
103  checks if the network has already registered this application. If
104  not, a new structure is allocated. After this process, depending on
105  the type of method specified in the command line, the specific
106  routine is executed. The user may set the specific flag
107  <tt>partition_method</tt> as the default to be used whenever no
108  method is specified in the command line. If no flag is defined, the
109  <tt>frontier</tt> method will be used.]
110
111  CommandName [build_partition_mdds]
112
113  CommandSynopsis [build a partition of MDDs for the flattened network]
114
115  CommandArguments [\[-h\] \[-i\] \[-n &lt;list&gt;\] \[-s &lt;num&gt;\] \[-t
116  &lt;seconds&gt;\] \[-v\] \[&lt;method&gt;\]]
117
118  CommandDescription [Build the MDDs of a flattened network.  Depending on the
119  <tt>method</tt> selected, the MDDs for the combinational outputs (COs) are
120  built in terms of either the combinational inputs (CIs) or in terms of some
121  subset of intermediate nodes of the network.  The MDDs built are stored in a
122  DAG called a "partition".  The vertices of a partition correspond to the
123  CIs, COs, and any intermediate nodes used.  Each vertex has a multi-valued
124  function (represented by MDDs) expressing the function of the corresponding
125  network node in terms of the partition vertices in its transitive fanin.
126  Hence, the MDDs of the partition represent a partial collapsing of the
127  network.<p>
128
129  This command must be preceded by the commands <tt>flatten_hierarchy</tt> and
130  <tt>static_order</tt>.  The partition built is stored with the network for
131  use by other commands, such as <tt>simulate</tt>, <tt>compute_reach</tt>,
132  <tt>model_check</tt>, etc.  This command has no affect when invoked on a
133  network that already has a partition.  To remove the existing partition of a
134  network, reinvoke <tt>flatten_hierarchy</tt>.<p>
135
136  The choice of <tt>method</tt> determines which intermediate nodes are
137  used. The <tt>inout</tt> method represents one extreme where no intermediate
138  nodes are used, and <tt>total</tt> represents the other extreme where every
139  node in the network has a corresponding vertex in the partition. If no
140  <tt>method</tt> is specified on the command line, then the value of the flag
141  <tt>partition_method</tt> is used (this flag is set by the command <tt>set
142  partition_method</tt>), unless it does not have a value, in which case the
143  <tt>forntier</tt> method is used. The different methods available are:
144
145  <dl>
146  <li> <tt>inout</tt>  Expresses the combinational
147  outputs in terms of the combinational inputs.
148
149  <li> <tt>total</tt> The partition built is isomorphic to the combinational
150  part of the network.  The function of each node is expressed in terms of its
151  immediate fanins. If the <tt>-i</tt> is used the function attached to each
152  vertex is computed as a function of the combinational inputs.
153
154  <li> <tt>partial</tt> Builds a partition using the intermediate nodes specified
155  with the <tt>-n</tt> option or the <tt>-f</tt> option.
156
157  <li> <tt>frontier</tt> (default) Builds a partition creating vertices for the intermediate nodes
158  as needed in order to control the BDD size. The threshold value for the BDD size can
159  be set by the parameter "partition_threshold". This method encompasses both "inout"
160  (set partition_threshold parameter to infinity) and
161  "total" (set partition_threshold parameter to 0).
162
163  <li> <tt>boundary</tt> Builds a partition in a fashion that preserves all nodes that
164  are Input/Output nodes of any hnode in the hierarchy rooted at the current hnode.
165
166  </dl>
167
168  Command options: <p>
169
170  <dl>
171
172  <dt> -h
173  <dd> Print the command usage.<p>
174
175  <dt> -i
176  <dd> Build the multi-valued functions of each partition vertex in terms of
177  the combinational inputs, rather than in terms of its transitive fanin
178  vertices.<p>
179
180  <dt> -n &lt;list&gt;
181  <dd> Used in conjunction with the <tt>partial</tt> method. <tt>List</tt> is
182  a comma separated list of network nodes to use as intermediate nodes in the
183  partition.<p>
184
185  <dt> -s &lt;num&gt;
186  <dd> Level of severity of a post-computation check applied to the partition data
187  structure (0 by default, meaning no check).<p>
188
189  <dt> -t &lt;seconds&gt;
190  <dd> Time in seconds allowed to build the partition. If the computation time
191  goes above that limit, the process of building the partition is aborted.  The
192  default is no limit.<p>
193
194  <dt> -v
195  <dd> Turn on the verbosity.<p>
196
197  </ul>]
198
199  SideEffects [Registers in the network the partition application with
200  the key specified by PART_NETWORK_APPL_KEY]
201
202  SeeAlso     [Ntk_NetworkAddApplInfo]
203
204******************************************************************************/
205static int
206CommandBuildPartitionMdds(
207  Hrc_Manager_t ** hmgr,
208  int  argc,
209  char ** argv)
210{
211  static Part_PartitionMethod method;
212  static boolean              inTermsOfLeaves;
213  lsList                      nodeList = lsCreate();
214  graph_t                     *partition;
215  static int                  verbose;
216  static int                  sanityCheck;
217  static int                  timeOutPeriod;
218  int                         c;
219  int                         length;
220  char                        *methodString;
221  char                        *modelName;
222  Hrc_Node_t                  *currentNode;
223  Ntk_Network_t               *network = Ntk_HrcManagerReadCurrentNetwork(*hmgr);
224  char *nodeName;
225  char *tmpNodeName;
226  char *realName;
227  FILE *nodeFile;
228  static boolean fileUsed;
229
230  fileUsed = FALSE;
231  inTermsOfLeaves = FALSE;
232  verbose = 0;
233  sanityCheck = 0;
234  timeOutPeriod = 0;
235
236  nodeFile = NIL(FILE);
237  util_getopt_reset();
238  while ((c = util_getopt(argc, argv, "f:hvin:s:t:")) != EOF) {
239    switch(c) {
240      case 'f':
241        fileUsed = TRUE;
242        nodeFile = Cmd_FileOpen(util_optarg, "r", &realName, 1);
243        FREE(realName);
244        if (nodeFile == NIL(FILE)){
245          (void)fprintf(vis_stderr,"Cannot open %s\n", util_optarg);
246          lsDestroy(nodeList, (void (*)(lsGeneric))0);
247          return 1;
248        }
249        else{
250          tmpNodeName = ALLOC(char, 512);
251          while(fscanf(nodeFile, "%s\n", tmpNodeName) != EOF){
252            if(*tmpNodeName != '#'){
253              nodeName = ALLOC(char, strlen(tmpNodeName) + 2);
254              sprintf(nodeName, "%s", tmpNodeName);
255              lsNewEnd(nodeList, (lsGeneric)nodeName, NIL(lsHandle));
256            }
257          }
258          FREE(tmpNodeName);
259        }
260        break;
261      case 'h':
262        goto usage;
263      case 'i':
264        inTermsOfLeaves = TRUE;
265        break;
266      case 'v':
267        verbose = 1;
268        break;
269      case 's':
270        sanityCheck = atoi(util_optarg);
271        break;
272      case 't':
273        timeOutPeriod = atoi(util_optarg);
274        break;
275      case 'n':
276        length = strlen(util_optarg);
277        for(c = 0; c < length; c++) {
278          if (util_optarg[c] == ',') {
279            util_optarg[c] = 0;
280          } /* End of if */
281        } /* End of for */
282        c = 0;
283        while (c < length) {
284          lsNewEnd(nodeList, &util_optarg[c], NIL(lsHandle));
285          while (util_optarg[c++] != 0);
286        } /* End of while */
287        break;
288      default:
289        goto usage;
290    }
291  }
292
293  if (argc == util_optind) {
294    /* No method specified. Choosing default */
295    methodString = Cmd_FlagReadByName("partition_method");
296    if (methodString == NIL(char)) {
297      methodString = "default";
298    }
299  }
300  else {
301    methodString = argv[util_optind];
302  }
303
304  if (strcmp(methodString,"inout") == 0) {
305    method = Part_InOut_c;
306    if (lsLength(nodeList) != 0) {
307      (void) fprintf(vis_stderr, "Ignoring provided list of nodes in <inout>");
308      (void) fprintf(vis_stderr, " method\n");
309    } /* End of if */
310    if (inTermsOfLeaves) {
311      (void) fprintf(vis_stderr, "Ignoring -i flag in the <inout> method\n");
312    } /* End of if */
313  }
314  else if (strcmp(methodString,"partial") == 0) {
315    method = Part_Partial_c;
316    /* Make sure a list of nodes has been provided */
317    if (lsLength(nodeList) == 0) {
318      (void) fprintf(vis_stderr, "Method <partial> requires a non-empty list");
319      (void) fprintf(vis_stderr, " of nodes\n");
320
321      lsDestroy(nodeList, (void (*)(lsGeneric))0);
322      goto usage;
323    } /* End of if */
324  }
325  else if (strcmp(methodString,"total") == 0) {
326    method = Part_Total_c;
327    if (lsLength(nodeList) != 0) {
328      (void) fprintf(vis_stderr, "Ignoring provided list of nodes in <total>");
329      (void) fprintf(vis_stderr, " method\n");
330    } /* End of if */
331  }
332  else if (strcmp(methodString,"frontier") == 0) {
333    method = Part_Frontier_c;
334  }
335  else if (strcmp(methodString,"boundary") == 0) {
336    method = Part_Boundary_c;
337  }
338  else if (strcmp(methodString, "fine") == 0) {
339    method = Part_Fine_c;
340  }
341  else if (strcmp(methodString, "default") == 0) {
342    method = Part_Default_c;
343  }
344  else {
345    goto usage;
346  }
347
348
349  /* Check if the network has been read in */
350  if (network == NIL(Ntk_Network_t)) {
351    lsDestroy(nodeList, (void (*)(lsGeneric))0);
352    return 1;
353  }
354
355  /* Check if the network has the variables ordered */
356  if (Ord_NetworkTestAreVariablesOrdered(network, Ord_InputAndLatch_c) ==
357      FALSE) {
358    (void) fprintf(vis_stdout, "The MDD variables have not been ordered. Use static_order.\n");
359
360    lsDestroy(nodeList, (void (*)(lsGeneric))0);
361    return 1;
362  }
363
364  /* Check if there is already a partition attached to the network */
365  partition = (graph_t *) Ntk_NetworkReadApplInfo(network,
366                                                  PART_NETWORK_APPL_KEY);
367
368  /* If there is, just return. */
369  if (partition != NIL(graph_t)) {
370    (void) fprintf(vis_stderr, "partition already built; reinvoke ");
371    (void) fprintf(vis_stderr, "flatten_hierarchy to remove the current partition\n");
372    return 1;
373  }
374
375  /* Read the name of the model to be passed to Part_NetworkCreatePartition */
376  currentNode = Hrc_ManagerReadCurrentNode(*hmgr);
377  modelName = Hrc_NodeReadModelName(currentNode);
378
379  /* Set the timeout */
380  if (timeOutPeriod > 0) {
381    (void) signal(SIGALRM, (void(*)(int))TimeOutHandle);
382    (void) alarm(timeOutPeriod);
383    if (setjmp(timeOutEnv) > 0) {
384      (void) fprintf(vis_stdout, "Partition: timeout occurred after ");
385      (void) fprintf(vis_stdout, "%d seconds\n", timeOutPeriod);
386      alarm(0);
387
388      /* Partial clean up */
389      lsDestroy(nodeList, (void (*)(lsGeneric))0);
390      return 1;
391    }
392  }
393
394  /*
395   * Execute the partition algorithm. The two nil pointers is to indicate
396   * that the graph must represent the complete network.
397   */
398  partition = Part_NetworkCreatePartition(network, currentNode, modelName, (lsList)0,
399                                          (lsList)0, NIL(mdd_t), method, nodeList,
400                                          inTermsOfLeaves, verbose,
401                                          sanityCheck);
402
403  /* Register the partition in the network if any */
404  Ntk_NetworkAddApplInfo(network, PART_NETWORK_APPL_KEY,
405                         (Ntk_ApplInfoFreeFn) Part_PartitionFreeCallback,
406                         (void *) partition);
407
408  /* Deactivate the alarm */
409  alarm(0);
410
411  /* Clean up */
412  if(fileUsed){
413    lsDestroy(nodeList, PartNameFree);
414  }
415  else{
416    lsDestroy(nodeList, (void (*)(lsGeneric))0);
417  }
418  return 0;
419
420usage:
421  (void) fprintf(vis_stderr, "usage: build_partition_mdds [options] [method]\n");
422  (void) fprintf(vis_stderr, "Options:\n");
423  (void) fprintf(vis_stderr, "    -h\t\tprint the command usage\n");
424  (void) fprintf(vis_stderr, "    -i\t\tBuild the functions in the partition in terms of the\n");
425  (void) fprintf(vis_stderr, "      \t\tcombinational inputs of the system. This option is redundant if\n");
426  (void) fprintf(vis_stderr, "      \t\tthe inout partition is chosen.\n");
427  (void) fprintf(vis_stderr, "    -n <list>\tComma separated list of network nodes to preserve in the\n");
428  (void) fprintf(vis_stderr, "             \tpartitioning. It only matters if the partial method has been\n");
429  (void) fprintf(vis_stderr, "             \tselected.\n");
430  (void) fprintf(vis_stderr, "    -f <file>\tSpecifies the file containing names of network nodes\n");
431  (void) fprintf(vis_stderr, "             \tto preserve while partitioning. This option matters only \n");
432  (void) fprintf(vis_stderr, "             \tif the partial method has been selected. Each node name must\n");
433  (void) fprintf(vis_stderr, "             \tbe listed on a new line. Comments in <file> must begin with '#'.\n");
434  (void) fprintf(vis_stderr, "    -s <num>\tLevel of severity check applied after computation. 0 being no\n");
435  (void) fprintf(vis_stderr, "      \t\tcheck, 1 begin simple check and >1 being exhaustive check.\n");
436  (void) fprintf(vis_stderr, "    -t <sec>\tTime in seconds allowed to build the partition. If the\n");
437  (void) fprintf(vis_stderr, "            \tcomputation time goes above that limit, the process of building\n");
438  (void) fprintf(vis_stderr, "            \tthe partition is aborted.\n");
439  (void) fprintf(vis_stderr, "    -v\t\tverbose\n");
440  (void) fprintf(vis_stderr, "Methods\n");
441  (void) fprintf(vis_stderr, "    inout\tIt represents the network with one MDD for\n");
442  (void) fprintf(vis_stderr, "         \teach combinational output as a function of the combinational\n");
443  (void) fprintf(vis_stderr, "         \tinputs\n");
444  (void) fprintf(vis_stderr, "    total\tPartitions the network preserving its structure. Every node in\n");
445  (void) fprintf(vis_stderr, "         \tthe network will produce a vertex in the partition graph. The\n");
446  (void) fprintf(vis_stderr, "         \tflag -i explained above controls the support of\n");
447  (void) fprintf(vis_stderr, "         \tthe functions attached to the vertices.\n");
448  (void) fprintf(vis_stderr, "    frontier\tThe default method. Partitions the network creating vertices for intermediate nodes\n");
449  (void) fprintf(vis_stderr, "         \tas necessary to control the BDD size. The threshold value of the\n");
450  (void) fprintf(vis_stderr, "         \tBDD can be specified by partition_threshold.\n");
451  (void) fprintf(vis_stderr, "    partial\tPartitions the network preserving certain nodes specified with\n");
452  (void) fprintf(vis_stderr, "           \tthe option -n or -f.\n");
453  (void) fprintf(vis_stderr, "    boundary\tPartitions the network preserving all nodes that are \n");
454  (void) fprintf(vis_stderr, "           \tsubcircuit IOs.\n");
455
456  lsDestroy(nodeList, (void (*)(lsGeneric))0);
457
458  return 1;            /* Error exit */
459} /* End of CommandBuildPartitionMdds */
460
461
462/**Function********************************************************************
463
464  Synopsis    [This frees a given char *]
465
466  Description [This function frees the memory assocated with a char * that
467               is given as input]
468
469  SideEffects [ ]
470
471  SeeAlso     []
472
473******************************************************************************/
474void
475PartNameFree(
476  lsGeneric name)
477{
478  FREE(name);
479}
480
481
482/**Function********************************************************************
483
484  Synopsis    [Command level routine to write a file in dot format of the
485  partition DAG.]
486
487  SideEffects []
488
489  SeeAlso     [CommandBuildPartitionMdds]
490
491  CommandName [print_partition]
492
493  CommandSynopsis [print the "dot" format describing the partition graph]
494
495  CommandArguments [\[-h\] &lt;file&gt;]
496
497  CommandDescription [Write a file in the format taken by the tool
498  <tt>dot</tt>. Dot is a tool that, given a description of a graph in a
499  certain format, produces a postscript print of the graph. For more
500  information about <tt>dot</tt> look in <a
501  href="http://www.research.att.com/sw/tools/graphviz">
502  http://www.research.att.com/sw/tools/graphviz</a>.<p>
503
504  If no argument is specified on the command line, the output is written to
505  the standard output.<p>
506
507  Command options:<p>
508  <dl>
509
510  <dt> -h
511  <dd> Print the command usage.<p>
512
513  <dt> &lt;file&gt;
514  <dd> Name of file where the partition is to be written in "dot" format.
515
516  </dl>]
517
518******************************************************************************/
519static int
520CommandPrintPartition(
521  Hrc_Manager_t **hmgr,
522  int argc,
523  char **argv)
524{
525  FILE *fp;
526  int c, status;
527  graph_t *partition;
528  Ntk_Network_t *network = Ntk_HrcManagerReadCurrentNetwork(*hmgr);
529
530  util_getopt_reset();
531  while ((c = util_getopt(argc,argv,"h")) != EOF){
532    switch(c){
533      case 'h':
534        goto usage;
535      default:
536        goto usage;
537    }
538  }
539
540  /* Check if the network has been read in */
541  if (network == NIL(Ntk_Network_t)) {
542    return 1;
543  }
544
545  /* Check if there is a partition attached to the network */
546  partition = (graph_t *) Ntk_NetworkReadApplInfo(network,
547                                                  PART_NETWORK_APPL_KEY);
548  if (partition == NIL(graph_t)) {
549    (void) fprintf(vis_stderr, "No partition has been created for this network.\n");
550    return 1;
551  }
552
553  if (argc == 1) {
554    fp = vis_stdout;
555  }
556  else if (argc == 2) {
557    fp = Cmd_FileOpen(*(++argv), "w", NIL(char *), /* silent */ 1);
558    if (fp == NIL(FILE)) {
559      (void) fprintf(vis_stderr, "Cannot write to %s\n", *argv);
560      return 1;
561    }
562  }
563  else {
564    goto usage;
565  }
566
567  error_init();
568  status = PartPartitionPrint(fp, partition);
569  (void) fprintf(vis_stderr, "%s", error_string());
570  fflush(fp);
571
572  /* If we opened a file before, close it */
573  if (argc == 2) {
574    (void) fclose(fp);
575  }
576  return (status ? 0 : 1);
577
578 usage:
579  (void) fprintf(vis_stderr, "usage: print_partition [-h] [file]\n");
580  (void) fprintf(vis_stderr, "    -h\t\tprint the command usage\n");
581  return 1;
582} /* End of CommandPrintPartition */
583
584/**Function********************************************************************
585
586  Synopsis [Command level routine to print some stats of the partition DAG.]
587
588  SideEffects []
589
590  SeeAlso     [CommandBuildPartitionMdds]
591
592  CommandName [print_partition_stats]
593
594  CommandSynopsis [print statistics about the partition graph]
595
596  CommandArguments [\[-h\] \[-n\]]
597
598  CommandDescription [Print statistics about the partition currently attached
599  to the network, such as:
600
601  <dl>
602  <li>Method used to build the partition.
603  <li>Number of sink vertices.
604  <li>Number of source vertices.
605  <li>Total number of vertices.
606  <li>Number of shared MDD nodes used to represent the functions.
607  </dl>
608
609  Command options:<p>
610
611  <dl>
612
613  <dt> -h
614  <dd> Print the command usage.<p>
615
616  <dt> -n
617  <dd> Print the name of the network nodes represented by vertices in the
618  partition.
619
620  </dl>]
621
622******************************************************************************/
623static int
624CommandPrintPartitionStats(
625  Hrc_Manager_t **hmgr,
626  int argc,
627  char **argv)
628{
629  int c;
630  graph_t *partition;
631  Ntk_Network_t *network = Ntk_HrcManagerReadCurrentNetwork(*hmgr);
632  boolean printNodeNames = FALSE;
633
634  util_getopt_reset();
635  while ((c = util_getopt(argc,argv,"hn")) != EOF){
636    switch(c){
637      case 'n':
638        printNodeNames = TRUE;
639        break;
640      case 'h':
641        goto usage;
642      default:
643        goto usage;
644    }
645  }
646
647  /* Check if the network has been read in */
648  if (network == NIL(Ntk_Network_t)) {
649    return 1;
650  }
651
652  /* Check if there is a partition attached to the network */
653  partition = (graph_t *) Ntk_NetworkReadApplInfo(network,
654                                                  PART_NETWORK_APPL_KEY);
655  if (partition == NIL(graph_t)) {
656    (void) fprintf(vis_stderr, "No partition has been created for this network.\n");
657    return 1;
658  }
659
660  /* Print the statistics to vis_stdout */
661  Part_PartitionPrintStats(vis_stdout, partition, printNodeNames);
662  return 0;
663
664 usage:
665  (void) fprintf(vis_stderr, "usage: print_partition_stats [-h] [-n]\n");
666  (void) fprintf(vis_stderr, "    -h\t\tprint the command usage\n");
667  (void) fprintf(vis_stderr, "    -n\t\tprint names of network nodes ");
668  (void) fprintf(vis_stderr, "represented by vertices\n");
669  return 1;
670} /* End of CommandPrintPartitionStats */
671
672
673/**Function********************************************************************
674
675  Synopsis    [required]
676
677  Description [optional]
678
679  SideEffects [required]
680
681  SeeAlso     [optional]
682
683******************************************************************************/
684static void
685TimeOutHandle(void)
686{
687  longjmp(timeOutEnv, 1);
688} /* End of TimeOutHandle */
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