diff options
Diffstat (limited to 'abc70930/src/bdd/dsd/dsdTree.c')
-rw-r--r-- | abc70930/src/bdd/dsd/dsdTree.c | 1068 |
1 files changed, 0 insertions, 1068 deletions
diff --git a/abc70930/src/bdd/dsd/dsdTree.c b/abc70930/src/bdd/dsd/dsdTree.c deleted file mode 100644 index 2855d68d..00000000 --- a/abc70930/src/bdd/dsd/dsdTree.c +++ /dev/null @@ -1,1068 +0,0 @@ -/**CFile**************************************************************** - - FileName [dsdTree.c] - - PackageName [DSD: Disjoint-support decomposition package.] - - Synopsis [Managing the decomposition tree.] - - Author [Alan Mishchenko] - - Affiliation [UC Berkeley] - - Date [Ver. 8.0. Started - September 22, 2003.] - - Revision [$Id: dsdTree.c,v 1.0 2002/22/09 00:00:00 alanmi Exp $] - -***********************************************************************/ - -#include "dsdInt.h" - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// - -static void Dsd_TreeUnmark_rec( Dsd_Node_t * pNode ); -static void Dsd_TreeGetInfo_rec( Dsd_Node_t * pNode, int RankCur ); -static int Dsd_TreeCountNonTerminalNodes_rec( Dsd_Node_t * pNode ); -static int Dsd_TreeCountPrimeNodes_rec( Dsd_Node_t * pNode ); -static int Dsd_TreeCollectDecomposableVars_rec( DdManager * dd, Dsd_Node_t * pNode, int * pVars, int * nVars ); -static void Dsd_TreeCollectNodesDfs_rec( Dsd_Node_t * pNode, Dsd_Node_t * ppNodes[], int * pnNodes ); -static void Dsd_TreePrint_rec( FILE * pFile, Dsd_Node_t * pNode, int fCcmp, char * pInputNames[], char * pOutputName, int nOffset, int * pSigCounter, int fShortNames ); -static void Dsd_NodePrint_rec( FILE * pFile, Dsd_Node_t * pNode, int fComp, char * pOutputName, int nOffset, int * pSigCounter ); - -//////////////////////////////////////////////////////////////////////// -/// STATIC VARIABLES /// -//////////////////////////////////////////////////////////////////////// - -static int s_DepthMax; -static int s_GateSizeMax; - -static int s_CounterBlocks; -static int s_CounterPos; -static int s_CounterNeg; -static int s_CounterNo; - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DEFINITIONS /// -//////////////////////////////////////////////////////////////////////// - -/**Function************************************************************* - - Synopsis [Create the DSD node.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Dsd_Node_t * Dsd_TreeNodeCreate( int Type, int nDecs, int BlockNum ) -{ - // allocate memory for this node - Dsd_Node_t * p = (Dsd_Node_t *) malloc( sizeof(Dsd_Node_t) ); - memset( p, 0, sizeof(Dsd_Node_t) ); - p->Type = Type; // the type of this block - p->nDecs = nDecs; // the number of decompositions - if ( p->nDecs ) - { - p->pDecs = (Dsd_Node_t **) malloc( p->nDecs * sizeof(Dsd_Node_t *) ); - p->pDecs[0] = NULL; - } - return p; -} - -/**Function************************************************************* - - Synopsis [Frees the DSD node.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeNodeDelete( DdManager * dd, Dsd_Node_t * pNode ) -{ - if ( pNode->G ) Cudd_RecursiveDeref( dd, pNode->G ); - if ( pNode->S ) Cudd_RecursiveDeref( dd, pNode->S ); - FREE( pNode->pDecs ); - FREE( pNode ); -} - -/**Function************************************************************* - - Synopsis [Unmarks the decomposition tree.] - - Description [This function assumes that originally pNode->nVisits are - set to zero!] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeUnmark( Dsd_Manager_t * pDsdMan ) -{ - int i; - for ( i = 0; i < pDsdMan->nRoots; i++ ) - Dsd_TreeUnmark_rec( Dsd_Regular( pDsdMan->pRoots[i] ) ); -} - - -/**Function************************************************************* - - Synopsis [Recursive unmarking.] - - Description [This function should be called with a non-complemented - pointer.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeUnmark_rec( Dsd_Node_t * pNode ) -{ - int i; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->nVisits > 0 ); - - if ( --pNode->nVisits ) // if this is not the last visit, return - return; - - // upon the last visit, go through the list of successors and call recursively - if ( pNode->Type != DSD_NODE_BUF && pNode->Type != DSD_NODE_CONST1 ) - for ( i = 0; i < pNode->nDecs; i++ ) - Dsd_TreeUnmark_rec( Dsd_Regular(pNode->pDecs[i]) ); -} - -/**Function************************************************************* - - Synopsis [Getting information about the node.] - - Description [This function computes the max depth and the max gate size - of the tree rooted at the node.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeNodeGetInfo( Dsd_Manager_t * pDsdMan, int * DepthMax, int * GateSizeMax ) -{ - int i; - s_DepthMax = 0; - s_GateSizeMax = 0; - - for ( i = 0; i < pDsdMan->nRoots; i++ ) - Dsd_TreeGetInfo_rec( Dsd_Regular( pDsdMan->pRoots[i] ), 0 ); - - if ( DepthMax ) - *DepthMax = s_DepthMax; - if ( GateSizeMax ) - *GateSizeMax = s_GateSizeMax; -} - -/**Function************************************************************* - - Synopsis [Getting information about the node.] - - Description [This function computes the max depth and the max gate size - of the tree rooted at the node.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeNodeGetInfoOne( Dsd_Node_t * pNode, int * DepthMax, int * GateSizeMax ) -{ - s_DepthMax = 0; - s_GateSizeMax = 0; - - Dsd_TreeGetInfo_rec( Dsd_Regular(pNode), 0 ); - - if ( DepthMax ) - *DepthMax = s_DepthMax; - if ( GateSizeMax ) - *GateSizeMax = s_GateSizeMax; -} - - -/**Function************************************************************* - - Synopsis [Performs the recursive step of Dsd_TreeNodeGetInfo().] - - Description [pNode is the node, for the tree rooted in which we are - determining info. RankCur is the current rank to assign to the node. - fSetRank is the flag saying whether the rank will be written in the - node. s_DepthMax is the maximum depths of the tree. s_GateSizeMax is - the maximum gate size.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeGetInfo_rec( Dsd_Node_t * pNode, int RankCur ) -{ - int i; - int GateSize; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->nVisits >= 0 ); - - // we don't want the two-input gates to count for non-decomposable blocks - if ( pNode->Type == DSD_NODE_OR || - pNode->Type == DSD_NODE_EXOR ) - GateSize = 2; - else - GateSize = pNode->nDecs; - - // update the max size of the node - if ( s_GateSizeMax < GateSize ) - s_GateSizeMax = GateSize; - - if ( pNode->nDecs < 2 ) - return; - - // update the max rank - if ( s_DepthMax < RankCur+1 ) - s_DepthMax = RankCur+1; - - // call recursively - for ( i = 0; i < pNode->nDecs; i++ ) - Dsd_TreeGetInfo_rec( Dsd_Regular(pNode->pDecs[i]), RankCur+1 ); -} - -/**Function************************************************************* - - Synopsis [Counts AIG nodes needed to implement this node.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeGetAigCost_rec( Dsd_Node_t * pNode ) -{ - int i, Counter = 0; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->nVisits >= 0 ); - - if ( pNode->nDecs < 2 ) - return 0; - - // we don't want the two-input gates to count for non-decomposable blocks - if ( pNode->Type == DSD_NODE_OR ) - Counter += pNode->nDecs - 1; - else if ( pNode->Type == DSD_NODE_EXOR ) - Counter += 3*(pNode->nDecs - 1); - else if ( pNode->Type == DSD_NODE_PRIME && pNode->nDecs == 3 ) - Counter += 3; - - // call recursively - for ( i = 0; i < pNode->nDecs; i++ ) - Counter += Dsd_TreeGetAigCost_rec( Dsd_Regular(pNode->pDecs[i]) ); - return Counter; -} - -/**Function************************************************************* - - Synopsis [Counts AIG nodes needed to implement this node.] - - Description [Assumes that the only primes of the DSD tree are MUXes.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeGetAigCost( Dsd_Node_t * pNode ) -{ - return Dsd_TreeGetAigCost_rec( Dsd_Regular(pNode) ); -} - -/**Function************************************************************* - - Synopsis [Counts non-terminal nodes of the DSD tree.] - - Description [Nonterminal nodes include all the nodes with the - support more than 1. These are OR, EXOR, and PRIME nodes. They - do not include the elementary variable nodes and the constant 1 - node.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountNonTerminalNodes( Dsd_Manager_t * pDsdMan ) -{ - int Counter, i; - Counter = 0; - for ( i = 0; i < pDsdMan->nRoots; i++ ) - Counter += Dsd_TreeCountNonTerminalNodes_rec( Dsd_Regular( pDsdMan->pRoots[i] ) ); - Dsd_TreeUnmark( pDsdMan ); - return Counter; -} - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountNonTerminalNodesOne( Dsd_Node_t * pRoot ) -{ - int Counter = 0; - - // go through the list of successors and call recursively - Counter = Dsd_TreeCountNonTerminalNodes_rec( Dsd_Regular(pRoot) ); - - Dsd_TreeUnmark_rec( Dsd_Regular(pRoot) ); - return Counter; -} - - -/**Function************************************************************* - - Synopsis [Counts non-terminal nodes for one root.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountNonTerminalNodes_rec( Dsd_Node_t * pNode ) -{ - int i; - int Counter = 0; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->nVisits >= 0 ); - - if ( pNode->nVisits++ ) // if this is not the first visit, return zero - return 0; - - if ( pNode->nDecs <= 1 ) - return 0; - - // upon the first visit, go through the list of successors and call recursively - for ( i = 0; i < pNode->nDecs; i++ ) - Counter += Dsd_TreeCountNonTerminalNodes_rec( Dsd_Regular(pNode->pDecs[i]) ); - - return Counter + 1; -} - - -/**Function************************************************************* - - Synopsis [Counts prime nodes of the DSD tree.] - - Description [Prime nodes are nodes with the support more than 2, - that is not an OR or EXOR gate.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountPrimeNodes( Dsd_Manager_t * pDsdMan ) -{ - int Counter, i; - Counter = 0; - for ( i = 0; i < pDsdMan->nRoots; i++ ) - Counter += Dsd_TreeCountPrimeNodes_rec( Dsd_Regular( pDsdMan->pRoots[i] ) ); - Dsd_TreeUnmark( pDsdMan ); - return Counter; -} - -/**Function************************************************************* - - Synopsis [Counts prime nodes for one root.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountPrimeNodesOne( Dsd_Node_t * pRoot ) -{ - int Counter = 0; - - // go through the list of successors and call recursively - Counter = Dsd_TreeCountPrimeNodes_rec( Dsd_Regular(pRoot) ); - - Dsd_TreeUnmark_rec( Dsd_Regular(pRoot) ); - return Counter; -} - - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCountPrimeNodes_rec( Dsd_Node_t * pNode ) -{ - int i; - int Counter = 0; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->nVisits >= 0 ); - - if ( pNode->nVisits++ ) // if this is not the first visit, return zero - return 0; - - if ( pNode->nDecs <= 1 ) - return 0; - - // upon the first visit, go through the list of successors and call recursively - for ( i = 0; i < pNode->nDecs; i++ ) - Counter += Dsd_TreeCountPrimeNodes_rec( Dsd_Regular(pNode->pDecs[i]) ); - - if ( pNode->Type == DSD_NODE_PRIME ) - Counter++; - - return Counter; -} - - -/**Function************************************************************* - - Synopsis [Collects the decomposable vars on the PI side.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCollectDecomposableVars( Dsd_Manager_t * pDsdMan, int * pVars ) -{ - int nVars; - - // set the vars collected to 0 - nVars = 0; - Dsd_TreeCollectDecomposableVars_rec( pDsdMan->dd, Dsd_Regular(pDsdMan->pRoots[0]), pVars, &nVars ); - // return the number of collected vars - return nVars; -} - -/**Function************************************************************* - - Synopsis [Implements the recursive part of Dsd_TreeCollectDecomposableVars().] - - Description [Adds decomposable variables as they are found to pVars and increments - nVars. Returns 1 if a non-dec node with more than 4 inputs was encountered - in the processed subtree. Returns 0, otherwise. ] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -int Dsd_TreeCollectDecomposableVars_rec( DdManager * dd, Dsd_Node_t * pNode, int * pVars, int * nVars ) -{ - int fSkipThisNode, i; - Dsd_Node_t * pTemp; - int fVerbose = 0; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - - if ( pNode->nDecs <= 1 ) - return 0; - - // go through the list of successors and call recursively - fSkipThisNode = 0; - for ( i = 0; i < pNode->nDecs; i++ ) - if ( Dsd_TreeCollectDecomposableVars_rec(dd, Dsd_Regular(pNode->pDecs[i]), pVars, nVars) ) - fSkipThisNode = 1; - - if ( !fSkipThisNode && (pNode->Type == DSD_NODE_OR || pNode->Type == DSD_NODE_EXOR || pNode->nDecs <= 4) ) - { -if ( fVerbose ) -printf( "Node of type <%d> (OR=6,EXOR=8,RAND=1): ", pNode->Type ); - - for ( i = 0; i < pNode->nDecs; i++ ) - { - pTemp = Dsd_Regular(pNode->pDecs[i]); - if ( pTemp->Type == DSD_NODE_BUF ) - { - if ( pVars ) - pVars[ (*nVars)++ ] = pTemp->S->index; - else - (*nVars)++; - -if ( fVerbose ) -printf( "%d ", pTemp->S->index ); - } - } -if ( fVerbose ) -printf( "\n" ); - } - else - fSkipThisNode = 1; - - - return fSkipThisNode; -} - - -/**Function************************************************************* - - Synopsis [Creates the DFS ordered array of DSD nodes in the tree.] - - Description [The collected nodes do not include the terminal nodes - and the constant 1 node. The array of nodes is returned. The number - of entries in the array is returned in the variale pnNodes.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Dsd_Node_t ** Dsd_TreeCollectNodesDfs( Dsd_Manager_t * pDsdMan, int * pnNodes ) -{ - Dsd_Node_t ** ppNodes; - int nNodes, nNodesAlloc; - int i; - - nNodesAlloc = Dsd_TreeCountNonTerminalNodes(pDsdMan); - nNodes = 0; - ppNodes = ALLOC( Dsd_Node_t *, nNodesAlloc ); - for ( i = 0; i < pDsdMan->nRoots; i++ ) - Dsd_TreeCollectNodesDfs_rec( Dsd_Regular(pDsdMan->pRoots[i]), ppNodes, &nNodes ); - Dsd_TreeUnmark( pDsdMan ); - assert( nNodesAlloc == nNodes ); - *pnNodes = nNodes; - return ppNodes; -} - -/**Function************************************************************* - - Synopsis [Creates the DFS ordered array of DSD nodes in the tree.] - - Description [The collected nodes do not include the terminal nodes - and the constant 1 node. The array of nodes is returned. The number - of entries in the array is returned in the variale pnNodes.] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -Dsd_Node_t ** Dsd_TreeCollectNodesDfsOne( Dsd_Manager_t * pDsdMan, Dsd_Node_t * pNode, int * pnNodes ) -{ - Dsd_Node_t ** ppNodes; - int nNodes, nNodesAlloc; - nNodesAlloc = Dsd_TreeCountNonTerminalNodesOne(pNode); - nNodes = 0; - ppNodes = ALLOC( Dsd_Node_t *, nNodesAlloc ); - Dsd_TreeCollectNodesDfs_rec( Dsd_Regular(pNode), ppNodes, &nNodes ); - Dsd_TreeUnmark_rec(Dsd_Regular(pNode)); - assert( nNodesAlloc == nNodes ); - *pnNodes = nNodes; - return ppNodes; -} - - -/**Function************************************************************* - - Synopsis [] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreeCollectNodesDfs_rec( Dsd_Node_t * pNode, Dsd_Node_t * ppNodes[], int * pnNodes ) -{ - int i; - assert( pNode ); - assert( !Dsd_IsComplement(pNode) ); - assert( pNode->nVisits >= 0 ); - - if ( pNode->nVisits++ ) // if this is not the first visit, return zero - return; - if ( pNode->nDecs <= 1 ) - return; - - // upon the first visit, go through the list of successors and call recursively - for ( i = 0; i < pNode->nDecs; i++ ) - Dsd_TreeCollectNodesDfs_rec( Dsd_Regular(pNode->pDecs[i]), ppNodes, pnNodes ); - - ppNodes[ (*pnNodes)++ ] = pNode; -} - -/**Function************************************************************* - - Synopsis [Prints the decompostion tree into file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreePrint( FILE * pFile, Dsd_Manager_t * pDsdMan, char * pInputNames[], char * pOutputNames[], int fShortNames, int Output ) -{ - Dsd_Node_t * pNode; - int SigCounter; - int i; - SigCounter = 1; - - if ( Output == -1 ) - { - for ( i = 0; i < pDsdMan->nRoots; i++ ) - { - pNode = Dsd_Regular( pDsdMan->pRoots[i] ); - Dsd_TreePrint_rec( pFile, pNode, (pNode != pDsdMan->pRoots[i]), pInputNames, pOutputNames[i], 0, &SigCounter, fShortNames ); - } - } - else - { - assert( Output >= 0 && Output < pDsdMan->nRoots ); - pNode = Dsd_Regular( pDsdMan->pRoots[Output] ); - Dsd_TreePrint_rec( pFile, pNode, (pNode != pDsdMan->pRoots[Output]), pInputNames, pOutputNames[Output], 0, &SigCounter, fShortNames ); - } -} - -/**Function************************************************************* - - Synopsis [Prints the decompostion tree into file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_TreePrint_rec( FILE * pFile, Dsd_Node_t * pNode, int fComp, char * pInputNames[], char * pOutputName, int nOffset, int * pSigCounter, int fShortNames ) -{ - char Buffer[100]; - Dsd_Node_t * pInput; - int * pInputNums; - int fCompNew, i; - - assert( pNode->Type == DSD_NODE_BUF || pNode->Type == DSD_NODE_CONST1 || - pNode->Type == DSD_NODE_PRIME || pNode->Type == DSD_NODE_OR || pNode->Type == DSD_NODE_EXOR ); - - Extra_PrintSymbols( pFile, ' ', nOffset, 0 ); - if ( !fComp ) - fprintf( pFile, "%s = ", pOutputName ); - else - fprintf( pFile, "NOT(%s) = ", pOutputName ); - pInputNums = ALLOC( int, pNode->nDecs ); - if ( pNode->Type == DSD_NODE_CONST1 ) - { - fprintf( pFile, " Constant 1.\n" ); - } - else if ( pNode->Type == DSD_NODE_BUF ) - { - if ( fShortNames ) - fprintf( pFile, "%d", 'a' + pNode->S->index ); - else - fprintf( pFile, "%s", pInputNames[pNode->S->index] ); - fprintf( pFile, "\n" ); - } - else if ( pNode->Type == DSD_NODE_PRIME ) - { - // print the line - fprintf( pFile, "PRIME(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - if ( i ) - fprintf( pFile, "," ); - if ( fCompNew ) - fprintf( pFile, " NOT(" ); - else - fprintf( pFile, " " ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - if ( fShortNames ) - fprintf( pFile, "%d", pInput->S->index ); - else - fprintf( pFile, "%s", pInputNames[pInput->S->index] ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, "<%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, ")" ); - } - fprintf( pFile, " )\n" ); - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_TreePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, pInputNames, Buffer, nOffset + 6, pSigCounter, fShortNames ); - } - } - else if ( pNode->Type == DSD_NODE_OR ) - { - // print the line - fprintf( pFile, "OR(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - if ( i ) - fprintf( pFile, "," ); - if ( fCompNew ) - fprintf( pFile, " NOT(" ); - else - fprintf( pFile, " " ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - if ( fShortNames ) - fprintf( pFile, "%c", 'a' + pInput->S->index ); - else - fprintf( pFile, "%s", pInputNames[pInput->S->index] ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, "<%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, ")" ); - } - fprintf( pFile, " )\n" ); - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_TreePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, pInputNames, Buffer, nOffset + 6, pSigCounter, fShortNames ); - } - } - else if ( pNode->Type == DSD_NODE_EXOR ) - { - // print the line - fprintf( pFile, "EXOR(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - if ( i ) - fprintf( pFile, "," ); - if ( fCompNew ) - fprintf( pFile, " NOT(" ); - else - fprintf( pFile, " " ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - if ( fShortNames ) - fprintf( pFile, "%c", 'a' + pInput->S->index ); - else - fprintf( pFile, "%s", pInputNames[pInput->S->index] ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, "<%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, ")" ); - } - fprintf( pFile, " )\n" ); - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_TreePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, pInputNames, Buffer, nOffset + 6, pSigCounter, fShortNames ); - } - } - free( pInputNums ); -} - -/**Function************************************************************* - - Synopsis [Prints the decompostion tree into file.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_NodePrint( FILE * pFile, Dsd_Node_t * pNode ) -{ - Dsd_Node_t * pNodeR; - int SigCounter = 1; - pNodeR = Dsd_Regular(pNode); - Dsd_NodePrint_rec( pFile, pNodeR, pNodeR != pNode, "F", 0, &SigCounter ); -} - -/**Function************************************************************* - - Synopsis [Prints one node of the decomposition tree.] - - Description [] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -void Dsd_NodePrint_rec( FILE * pFile, Dsd_Node_t * pNode, int fComp, char * pOutputName, int nOffset, int * pSigCounter ) -{ - char Buffer[100]; - Dsd_Node_t * pInput; - int * pInputNums; - int fCompNew, i; - - assert( pNode->Type == DSD_NODE_BUF || pNode->Type == DSD_NODE_CONST1 || - pNode->Type == DSD_NODE_PRIME || pNode->Type == DSD_NODE_OR || pNode->Type == DSD_NODE_EXOR ); - - Extra_PrintSymbols( pFile, ' ', nOffset, 0 ); - if ( !fComp ) - fprintf( pFile, "%s = ", pOutputName ); - else - fprintf( pFile, "NOT(%s) = ", pOutputName ); - pInputNums = ALLOC( int, pNode->nDecs ); - if ( pNode->Type == DSD_NODE_CONST1 ) - { - fprintf( pFile, " Constant 1.\n" ); - } - else if ( pNode->Type == DSD_NODE_BUF ) - { - fprintf( pFile, " " ); - fprintf( pFile, "%c", 'a' + pNode->S->index ); - fprintf( pFile, "\n" ); - } - else if ( pNode->Type == DSD_NODE_PRIME ) - { - // print the line - fprintf( pFile, "PRIME(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - assert( fCompNew == 0 ); - if ( i ) - fprintf( pFile, "," ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - fprintf( pFile, " %c", 'a' + pInput->S->index ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, " <%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, "\'" ); - } - fprintf( pFile, " )\n" ); -/* - fprintf( pFile, " ) " ); - { - DdNode * bLocal; - bLocal = Dsd_TreeGetPrimeFunction( dd, pNodeDsd ); Cudd_Ref( bLocal ); - Extra_bddPrint( dd, bLocal ); - Cudd_RecursiveDeref( dd, bLocal ); - } -*/ - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_NodePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, Buffer, nOffset + 6, pSigCounter ); - } - } - else if ( pNode->Type == DSD_NODE_OR ) - { - // print the line - fprintf( pFile, "OR(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - if ( i ) - fprintf( pFile, "," ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - fprintf( pFile, " %c", 'a' + pInput->S->index ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, " <%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, "\'" ); - } - fprintf( pFile, " )\n" ); - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_NodePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, Buffer, nOffset + 6, pSigCounter ); - } - } - else if ( pNode->Type == DSD_NODE_EXOR ) - { - // print the line - fprintf( pFile, "EXOR(" ); - for ( i = 0; i < pNode->nDecs; i++ ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - fCompNew = (int)( pInput != pNode->pDecs[i] ); - assert( fCompNew == 0 ); - if ( i ) - fprintf( pFile, "," ); - if ( pInput->Type == DSD_NODE_BUF ) - { - pInputNums[i] = 0; - fprintf( pFile, " %c", 'a' + pInput->S->index ); - } - else - { - pInputNums[i] = (*pSigCounter)++; - fprintf( pFile, " <%d>", pInputNums[i] ); - } - if ( fCompNew ) - fprintf( pFile, "\'" ); - } - fprintf( pFile, " )\n" ); - // call recursively for the following blocks - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pInputNums[i] ) - { - pInput = Dsd_Regular( pNode->pDecs[i] ); - sprintf( Buffer, "<%d>", pInputNums[i] ); - Dsd_NodePrint_rec( pFile, Dsd_Regular( pNode->pDecs[i] ), 0, Buffer, nOffset + 6, pSigCounter ); - } - } - free( pInputNums ); -} - - -/**Function************************************************************* - - Synopsis [Retuns the function of one node of the decomposition tree.] - - Description [This is the old procedure. It is now superceded by the - procedure Dsd_TreeGetPrimeFunction() found in "dsdLocal.c".] - - SideEffects [] - - SeeAlso [] - -***********************************************************************/ -DdNode * Dsd_TreeGetPrimeFunctionOld( DdManager * dd, Dsd_Node_t * pNode, int fRemap ) -{ - DdNode * bCof0, * bCof1, * bCube0, * bCube1, * bNewFunc, * bTemp; - int i; - int fAllBuffs = 1; - static int Permute[MAXINPUTS]; - - assert( pNode ); - assert( !Dsd_IsComplement( pNode ) ); - assert( pNode->Type == DSD_NODE_PRIME ); - - // transform the function of this block to depend on inputs - // corresponding to the formal inputs - - // first, substitute those inputs that have some blocks associated with them - // second, remap the inputs to the top of the manager (then, it is easy to output them) - - // start the function - bNewFunc = pNode->G; Cudd_Ref( bNewFunc ); - // go over all primary inputs - for ( i = 0; i < pNode->nDecs; i++ ) - if ( pNode->pDecs[i]->Type != DSD_NODE_BUF ) // remap only if it is not the buffer - { - bCube0 = Extra_bddFindOneCube( dd, Cudd_Not(pNode->pDecs[i]->G) ); Cudd_Ref( bCube0 ); - bCof0 = Cudd_Cofactor( dd, bNewFunc, bCube0 ); Cudd_Ref( bCof0 ); - Cudd_RecursiveDeref( dd, bCube0 ); - - bCube1 = Extra_bddFindOneCube( dd, pNode->pDecs[i]->G ); Cudd_Ref( bCube1 ); - bCof1 = Cudd_Cofactor( dd, bNewFunc, bCube1 ); Cudd_Ref( bCof1 ); - Cudd_RecursiveDeref( dd, bCube1 ); - - Cudd_RecursiveDeref( dd, bNewFunc ); - - // use the variable in the i-th level of the manager -// bNewFunc = Cudd_bddIte( dd, dd->vars[dd->invperm[i]],bCof1,bCof0 ); Cudd_Ref( bNewFunc ); - // use the first variale in the support of the component - bNewFunc = Cudd_bddIte( dd, dd->vars[pNode->pDecs[i]->S->index],bCof1,bCof0 ); Cudd_Ref( bNewFunc ); - Cudd_RecursiveDeref( dd, bCof0 ); - Cudd_RecursiveDeref( dd, bCof1 ); - } - - if ( fRemap ) - { - // remap the function to the top of the manager - // remap the function to the first variables of the manager - for ( i = 0; i < pNode->nDecs; i++ ) - // Permute[ pNode->pDecs[i]->S->index ] = dd->invperm[i]; - Permute[ pNode->pDecs[i]->S->index ] = i; - - bNewFunc = Cudd_bddPermute( dd, bTemp = bNewFunc, Permute ); Cudd_Ref( bNewFunc ); - Cudd_RecursiveDeref( dd, bTemp ); - } - - Cudd_Deref( bNewFunc ); - return bNewFunc; -} - - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// |