Exemple #1
0
static int
DddmpCuddDdArrayStorePrefixBody (
  DdManager *ddMgr      /* IN: Manager */,
  int n                 /* IN: Number of output nodes to be dumped */,
  DdNode **f            /* IN: Array of output nodes to be dumped */,
  char **inputNames     /* IN: Array of input names (or NULL) */,
  char **outputNames    /* IN: Array of output names (or NULL) */,
  FILE *fp              /* IN: Pointer to the dump file */
  )
{
  st_table *visited = NULL;
  int retValue;
  int i;

  /* Initialize symbol table for visited nodes. */
  visited = st_init_table(st_ptrcmp, st_ptrhash);
  Dddmp_CheckAndGotoLabel (visited==NULL,
    "Error if function st_init_table.", failure);

  /* Call the function that really gets the job done. */
  for (i = 0; i < n; i++) {
    retValue = DddmpCuddDdArrayStorePrefixStep (ddMgr, Cudd_Regular(f[i]),
      fp, visited, inputNames);
    Dddmp_CheckAndGotoLabel (retValue==0,
      "Error if function DddmpCuddDdArrayStorePrefixStep.", failure);
  }

  /* To account for the possible complement on the root,
   ** we put either a buffer or an inverter at the output of
   ** the multiplexer representing the top node.
   */
  for (i=0; i<n; i++) {
    if (outputNames == NULL) {
      retValue = fprintf (fp,  "(BUF outNode%d ", i);
    } else {
      retValue = fprintf (fp,  "(BUF %s ", outputNames[i]);
    }
    Dddmp_CheckAndGotoLabel (retValue==EOF,
      "Error during file store.", failure);

    if (Cudd_IsComplement(f[i])) {
      retValue = fprintf (fp, "(NOT node%" PRIxPTR "))\n",
        (ptruint) f[i] / sizeof(DdNode));
    } else {
      retValue = fprintf (fp, "node%" PRIxPTR ")\n",
        (ptruint) f[i] / sizeof(DdNode));
    }
    Dddmp_CheckAndGotoLabel (retValue==EOF,
      "Error during file store.", failure);
  }

  st_free_table (visited);

  return(1);

failure:
    if (visited != NULL) st_free_table(visited);
    return(0);

}
Exemple #2
0
int
Dddmp_cuddHeaderLoad (
  Dddmp_DecompType *ddType  /* OUT: selects the proper decomp type */,
  int *nVars                /* OUT: number of DD variables */,
  int *nsuppvars            /* OUT: number of support variables */,
  char ***suppVarNames      /* OUT: array of support variable names */,
  char ***orderedVarNames   /* OUT: array of variable names */,
  int **varIds              /* OUT: array of variable ids */,
  int **varComposeIds       /* OUT: array of permids ids */,
  int **varAuxIds           /* OUT: array of variable aux ids */,
  int *nRoots               /* OUT: number of root in the file */,
  char *file                 /* IN: file name */,
  FILE *fp                   /* IN: file pointer */
  )
{
  Dddmp_Hdr_t *Hdr;
  int i, fileToClose;
  int *tmpVarIds = NULL;
  int *tmpVarComposeIds = NULL;
  int *tmpVarAuxIds = NULL; 

  fileToClose = 0;
  if (fp == NULL) {
    fp = fopen (file, "r");
    Dddmp_CheckAndGotoLabel (fp==NULL, "Error opening file.",
      failure);
    fileToClose = 1;
  }

  Hdr = DddmpBddReadHeader (NULL, fp);

  Dddmp_CheckAndGotoLabel (Hdr->nnodes==0, "Zero number of nodes.",
    failure);

  /*
   *  Type, number of variables (tot and support)
   */

  *ddType = Hdr->ddType;
  *nVars = Hdr->nVars;
  *nsuppvars = Hdr->nsuppvars;

  /*
   *  Support Varnames
   */

  if (Hdr->suppVarNames != NULL) {
    *suppVarNames = DDDMP_ALLOC (char *, *nsuppvars);
    Dddmp_CheckAndGotoLabel (*suppVarNames==NULL,
      "Error allocating memory.", failure);

    for (i=0; i<*nsuppvars; i++) {
      (*suppVarNames)[i] = DDDMP_ALLOC (char,
        (strlen (Hdr->suppVarNames[i]) + 1));
      Dddmp_CheckAndGotoLabel (Hdr->suppVarNames[i]==NULL,
        "Support Variable Name Missing in File.", failure);
      strcpy ((*suppVarNames)[i], Hdr->suppVarNames[i]);
    }
  } else {
Exemple #3
0
static int
DddmpCuddDdArrayStoreBlif (
  DdManager *ddMgr    /* IN: Manager */,
  int n               /* IN: Number of output nodes to be dumped */,
  DdNode **f          /* IN: Array of output nodes to be dumped */,
  char **inputNames   /* IN: Array of input names (or NULL) */,
  char **outputNames  /* IN: Array of output names (or NULL) */,
  char *modelName     /* IN: Model name (or NULL) */,
  FILE *fp            /* IN: Pointer to the dump file */
  )
{
  DdNode *support = NULL;
  DdNode *scan;
  int *sorted = NULL;
  int nVars = ddMgr->size;
  int retValue;
  int i;

  /* Build a bit array with the support of f. */
  sorted = ALLOC (int, nVars);
  if (sorted == NULL) {
    ddMgr->errorCode = CUDD_MEMORY_OUT;
    Dddmp_CheckAndGotoLabel (1, "Allocation Error.", failure);
  }
  for (i = 0; i < nVars; i++) {
    sorted[i] = 0;
  }

  /* Take the union of the supports of each output function. */
  support = Cudd_VectorSupport(ddMgr,f,n);
  Dddmp_CheckAndGotoLabel (support==NULL,
    "Error in function Cudd_VectorSupport.", failure);
  cuddRef(support);
  scan = support;
  while (!cuddIsConstant(scan)) {
    sorted[scan->index] = 1;
    scan = cuddT(scan);
  }
  Cudd_RecursiveDeref(ddMgr,support);
  support = NULL;
  /* so that we do not try to free it in case of failure */

  /* Write the header (.model .inputs .outputs). */
  if (modelName == NULL) {
    retValue = fprintf(fp,".model DD\n.inputs");
  } else {
    retValue = fprintf(fp,".model %s\n.inputs", modelName);
  }
  if (retValue == EOF) {
    return(0);
  }

  /* Write the input list by scanning the support array. */
  for (i = 0; i < nVars; i++) {
    if (sorted[i]) {
      if (inputNames == NULL || (inputNames[i] == NULL)) {
	retValue = fprintf(fp," inNode%d", i);
      } else {
	retValue = fprintf(fp," %s", inputNames[i]);
      }
      Dddmp_CheckAndGotoLabel (retValue==EOF,
        "Error during file store.", failure);
    }
  }
  FREE(sorted);
  sorted = NULL;

  /* Write the .output line. */
  retValue = fprintf(fp,"\n.outputs");
  Dddmp_CheckAndGotoLabel (retValue==EOF,
    "Error during file store.", failure);
  for (i = 0; i < n; i++) {
    if (outputNames == NULL || (outputNames[i] == NULL)) {
      retValue = fprintf(fp," outNode%d", i);
    } else {
      retValue = fprintf(fp," %s", outputNames[i]);
    }
    Dddmp_CheckAndGotoLabel (retValue==EOF,
      "Error during file store.", failure);
  }
  retValue = fprintf(fp,"\n");
  Dddmp_CheckAndGotoLabel (retValue==EOF,
    "Error during file store.", failure);

  retValue = DddmpCuddDdArrayStoreBlifBody(ddMgr, n, f, inputNames,
    outputNames, fp);
  Dddmp_CheckAndGotoLabel (retValue==0,
    "Error if function DddmpCuddDdArrayStoreBlifBody.", failure);

  /* Write trailer and return. */
  retValue = fprintf (fp, ".end\n");
  Dddmp_CheckAndGotoLabel (retValue==EOF,
    "Error during file store.", failure);

  return(1);

failure:
  if (sorted != NULL) {
    FREE(sorted);
  }
  if (support != NULL) {
    Cudd_RecursiveDeref(ddMgr,support);
  }

  return(0);
}
Exemple #4
0
int
Dddmp_cuddBddArrayStoreSmv (
  DdManager *ddMgr       /* IN: DD Manager */,
  int nroots             /* IN: number of output BDD roots to be stored */,
  DdNode **f             /* IN: array of BDD roots to be stored */,
  char **inputNames      /* IN: array of variable names (or NULL) */,
  char **outputNames     /* IN: array of root names (or NULL) */,
  char *modelName        /* IN: Model Name */,
  char *fname            /* IN: File name */,
  FILE *fp               /* IN: File pointer to the store file */
  )
{
  int retValue;
  int fileToClose = 0;

#ifdef DDDMP_DEBUG
#ifndef __alpha__  
  int retValueBis;

  retValueBis = Cudd_DebugCheck (ddMgr);
  if (retValueBis == 1) {
    fprintf (stderr, "Inconsistency Found During BDD Store.\n");
    fflush (stderr);
  } else {
    if (retValueBis == CUDD_OUT_OF_MEM) {
      fprintf (stderr, "Out of Memory During BDD Store.\n");
      fflush (stderr);
    }
  }
#endif
#endif

  /* 
   *  Check if File needs to be opened in the proper mode.
   */

  if (fp == NULL) {
    fp = fopen (fname, "w");
    Dddmp_CheckAndGotoLabel (fp==NULL, "Error opening file.",
      failure);
    fileToClose = 1;
  }

  retValue = DddmpCuddDdArrayStoreSmv (ddMgr, nroots, f,
    inputNames, outputNames, modelName, fp);

  if (fileToClose) {
    fclose (fp);
  }

#ifdef DDDMP_DEBUG
#ifndef __alpha__  
  retValueBis = Cudd_DebugCheck (ddMgr);
  if (retValueBis == 1) {
    fprintf (stderr, "Inconsistency Found During BDD Store.\n");
    fflush (stderr);
  } else {
    if (retValueBis == CUDD_OUT_OF_MEM) {
      fprintf (stderr, "Out of Memory During BDD Store.\n");
      fflush (stderr);
    }
  }
#endif
#endif

  return (retValue);

  failure:
    return (DDDMP_FAILURE);
}