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Diffstat (limited to 'src/aig/kit/cloud.h')
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1 files changed, 0 insertions, 255 deletions
diff --git a/src/aig/kit/cloud.h b/src/aig/kit/cloud.h deleted file mode 100644 index c48b55de..00000000 --- a/src/aig/kit/cloud.h +++ /dev/null @@ -1,255 +0,0 @@ -/**CFile**************************************************************** - - FileName [cloud.h] - - PackageName [Fast application-specific BDD package.] - - Synopsis [Interface of the package.] - - Author [Alan Mishchenko <alanmi@ece.pdx.edu>] - - Affiliation [ECE Department. Portland State University, Portland, Oregon.] - - Date [Ver. 1.0. Started - June 10, 2002.] - - Revision [$Id: cloud.h,v 1.0 2002/06/10 03:00:00 alanmi Exp $] - -***********************************************************************/ - -#ifndef __CLOUD_H__ -#define __CLOUD_H__ - - -#include <stdio.h> -#include <stdlib.h> -#include <assert.h> -#include <time.h> - -#include "abc_global.h" - - - -ABC_NAMESPACE_HEADER_START - - -#ifdef _WIN32 -#define inline __inline // compatible with MS VS 6.0 -#endif - -//////////////////////////////////////////////////////////////////////// -// n | 2^n || n | 2^n || n | 2^n || n | 2^n // -//====================================================================// -// 1 | 2 || 9 | 512 || 17 | 131,072 || 25 | 33,554,432 // -// 2 | 4 || 10 | 1,024 || 18 | 262,144 || 26 | 67,108,864 // -// 3 | 8 || 11 | 2,048 || 19 | 524,288 || 27 | 134,217,728 // -// 4 | 16 || 12 | 4,096 || 20 | 1,048,576 || 28 | 268,435,456 // -// 5 | 32 || 13 | 8,192 || 21 | 2,097,152 || 29 | 536,870,912 // -// 6 | 64 || 14 | 16,384 || 22 | 4,194,304 || 30 | 1,073,741,824 // -// 7 | 128 || 15 | 32,768 || 23 | 8,388,608 || 31 | 2,147,483,648 // -// 8 | 256 || 16 | 65,536 || 24 | 16,777,216 || 32 | 4,294,967,296 // -//////////////////////////////////////////////////////////////////////// - -// data structure typedefs -typedef struct cloudManager CloudManager; -typedef unsigned CloudVar; -typedef unsigned CloudSign; -typedef struct cloudNode CloudNode; -typedef struct cloudCacheEntry1 CloudCacheEntry1; -typedef struct cloudCacheEntry2 CloudCacheEntry2; -typedef struct cloudCacheEntry3 CloudCacheEntry3; - -// operation codes used to set up the cache -typedef enum { - CLOUD_OPER_AND, - CLOUD_OPER_XOR, - CLOUD_OPER_BDIFF, - CLOUD_OPER_LEQ -} CloudOper; - -/* -// the number of operators using cache -static int CacheOperNum = 4; - -// the ratio of cache size to the unique table size for each operator -static int CacheLogRatioDefault[4] = { - 4, // CLOUD_OPER_AND, - 8, // CLOUD_OPER_XOR, - 8, // CLOUD_OPER_BDIFF, - 8 // CLOUD_OPER_LEQ -}; - -// the ratio of cache size to the unique table size for each operator -static int CacheSize[4] = { - 2, // CLOUD_OPER_AND, - 2, // CLOUD_OPER_XOR, - 2, // CLOUD_OPER_BDIFF, - 2 // CLOUD_OPER_LEQ -}; -*/ - -// data structure definitions -struct cloudManager // the fast bdd manager -{ - // variables - int nVars; // the number of variables allocated - // bits - int bitsNode; // the number of bits used for the node - int bitsCache[4]; // default: bitsNode - CacheSizeRatio[i] - // shifts - int shiftUnique; // 8*sizeof(unsigned) - (bitsNode + 1) - int shiftCache[4]; // 8*sizeof(unsigned) - bitsCache[i] - // nodes - int nNodesAlloc; // 2 ^ (bitsNode + 1) - int nNodesLimit; // 2 ^ bitsNode - int nNodesCur; // the current number of nodes (including const1 and vars) - // signature - CloudSign nSignCur; - - // statistics - int nMemUsed; // memory usage in bytes - // cache stats - int nUniqueHits; // hits in the unique table - int nUniqueMisses; // misses in the unique table - int nCacheHits; // hits in the caches - int nCacheMisses; // misses in the caches - // the number of steps through the hash table - int nUniqueSteps; - - // tables - CloudNode * tUnique; // the unique table to store BDD nodes - - // special nodes - CloudNode * pNodeStart; // the pointer to the first node - CloudNode * pNodeEnd; // the pointer to the first node out of the table - - // constants and variables - CloudNode * one; // the one function - CloudNode * zero; // the zero function - CloudNode ** vars; // the elementary variables - - // temporary storage for nodes - CloudNode ** ppNodes; - - // caches - CloudCacheEntry2 * tCaches[20]; // caches -}; - -struct cloudNode // representation of the node in the unique table -{ - CloudSign s; // signature - CloudVar v; // variable - CloudNode * e; // negative cofactor - CloudNode * t; // positive cofactor -}; -struct cloudCacheEntry1 // one-argument cache -{ - CloudSign s; // signature - CloudNode * a; // argument 1 - CloudNode * r; // result -}; -struct cloudCacheEntry2 // the two-argument cache -{ - CloudSign s; // signature - CloudNode * a; - CloudNode * b; - CloudNode * r; -}; -struct cloudCacheEntry3 // the three-argument cache -{ - CloudSign s; // signature - CloudNode * a; - CloudNode * b; - CloudNode * c; - CloudNode * r; -}; - - -// parameters -#define CLOUD_NODE_BITS 23 - -#define CLOUD_CONST_INDEX ((unsigned)0x0fffffff) -#define CLOUD_MARK_ON ((unsigned)0x10000000) -#define CLOUD_MARK_OFF ((unsigned)0xefffffff) - -// hash functions a la Buddy -#define cloudHashBuddy2(x,y,s) ((((x)+(y))*((x)+(y)+1)/2) & ((1<<(32-(s)))-1)) -#define cloudHashBuddy3(x,y,z,s) (cloudHashBuddy2((cloudHashBuddy2((x),(y),(s))),(z),(s)) & ((1<<(32-(s)))-1)) -// hash functions a la Cudd -#define DD_P1 12582917 -#define DD_P2 4256249 -#define DD_P3 741457 -#define DD_P4 1618033999 -#define cloudHashCudd2(f,g,s) ((((unsigned)(ABC_PTRUINT_T)(f) * DD_P1 + (unsigned)(ABC_PTRUINT_T)(g)) * DD_P2) >> (s)) -#define cloudHashCudd3(f,g,h,s) (((((unsigned)(ABC_PTRUINT_T)(f) * DD_P1 + (unsigned)(ABC_PTRUINT_T)(g)) * DD_P2 + (unsigned)(ABC_PTRUINT_T)(h)) * DD_P3) >> (s)) - -// node complementation (using node) -#define Cloud_Regular(p) ((CloudNode*)(((ABC_PTRUINT_T)(p)) & ~01)) // get the regular node (w/o bubble) -#define Cloud_Not(p) ((CloudNode*)(((ABC_PTRUINT_T)(p)) ^ 01)) // complement the node -#define Cloud_NotCond(p,c) ((CloudNode*)(((ABC_PTRUINT_T)(p)) ^ (c))) // complement the node conditionally -#define Cloud_IsComplement(p) ((int)(((ABC_PTRUINT_T)(p)) & 01)) // check if complemented -// checking constants (using node) -#define Cloud_IsConstant(p) (((Cloud_Regular(p))->v & CLOUD_MARK_OFF) == CLOUD_CONST_INDEX) -#define cloudIsConstant(p) (((p)->v & CLOUD_MARK_OFF) == CLOUD_CONST_INDEX) - -// retrieving values from the node (using node structure) -#define Cloud_V(p) ((Cloud_Regular(p))->v) -#define Cloud_E(p) ((Cloud_Regular(p))->e) -#define Cloud_T(p) ((Cloud_Regular(p))->t) -// retrieving values from the regular node (using node structure) -#define cloudV(p) ((p)->v) -#define cloudE(p) ((p)->e) -#define cloudT(p) ((p)->t) -// marking/unmarking (using node structure) -#define cloudNodeMark(p) ((p)->v |= CLOUD_MARK_ON) -#define cloudNodeUnmark(p) ((p)->v &= CLOUD_MARK_OFF) -#define cloudNodeIsMarked(p) ((int)((p)->v & CLOUD_MARK_ON)) - -// cache lookups and inserts (using node) -#define cloudCacheLookup1(p,sign,f) (((p)->s == (sign) && (p)->a == (f))? ((p)->r): (0)) -#define cloudCacheLookup2(p,sign,f,g) (((p)->s == (sign) && (p)->a == (f) && (p)->b == (g))? ((p)->r): (0)) -#define cloudCacheLookup3(p,sign,f,g,h) (((p)->s == (sign) && (p)->a == (f) && (p)->b == (g) && (p)->c == (h))? ((p)->r): (0)) -// cache inserts -#define cloudCacheInsert1(p,sign,f,r) (((p)->s = (sign)), ((p)->a = (f)), ((p)->r = (r))) -#define cloudCacheInsert2(p,sign,f,g,r) (((p)->s = (sign)), ((p)->a = (f)), ((p)->b = (g)), ((p)->r = (r))) -#define cloudCacheInsert3(p,sign,f,g,h,r) (((p)->s = (sign)), ((p)->a = (f)), ((p)->b = (g)), ((p)->c = (h)), ((p)->r = (r))) - -//#define CLOUD_ASSERT(p) (assert((p) >= (dd->pNodeStart-1) && (p) < dd->pNodeEnd)) -#define CLOUD_ASSERT(p) assert((p) >= dd->tUnique && (p) < dd->tUnique+dd->nNodesAlloc) - -//////////////////////////////////////////////////////////////////////// -/// FUNCTION DECLARATIONS /// -//////////////////////////////////////////////////////////////////////// -// starting/stopping -extern CloudManager * Cloud_Init( int nVars, int nBits ); -extern void Cloud_Quit( CloudManager * dd ); -extern void Cloud_Restart( CloudManager * dd ); -extern void Cloud_CacheAllocate( CloudManager * dd, CloudOper oper, int size ); -extern CloudNode * Cloud_MakeNode( CloudManager * dd, CloudVar v, CloudNode * t, CloudNode * e ); -// support and node count -extern CloudNode * Cloud_Support( CloudManager * dd, CloudNode * n ); -extern int Cloud_SupportSize( CloudManager * dd, CloudNode * n ); -extern int Cloud_DagSize( CloudManager * dd, CloudNode * n ); -extern int Cloud_DagCollect( CloudManager * dd, CloudNode * n ); -extern int Cloud_SharingSize( CloudManager * dd, CloudNode * * pn, int nn ); -// cubes -extern CloudNode * Cloud_GetOneCube( CloudManager * dd, CloudNode * n ); -extern void Cloud_bddPrint( CloudManager * dd, CloudNode * Func ); -extern void Cloud_bddPrintCube( CloudManager * dd, CloudNode * Cube ); -// operations -extern CloudNode * Cloud_bddAnd( CloudManager * dd, CloudNode * f, CloudNode * g ); -extern CloudNode * Cloud_bddOr( CloudManager * dd, CloudNode * f, CloudNode * g ); -// stats -extern void Cloud_PrintInfo( CloudManager * dd ); -extern void Cloud_PrintHashTable( CloudManager * dd ); - - - -ABC_NAMESPACE_HEADER_END - - - -#endif - -//////////////////////////////////////////////////////////////////////// -/// END OF FILE /// -//////////////////////////////////////////////////////////////////////// |