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annotate c/regexParser/bitVector.cc @ 130:7925e9abb078 pairPro

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author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Wed, 02 Dec 2015 17:51:02 +0900
parents 166136236891
children c292c67b3100
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include "bitVector.h"
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5 extern BitVectorListPtr allocateBitVectorList();
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6 const BitVectorPtr allocateBitVector();
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8 BitVectorListPtr createBitVector(NodePtr n,BitVectorListPtr bvl) {
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9 BitVectorListPtr nextBvl = allocateBitVectorList();
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10 nextBvl->bi = bitSet(n->nodeNumber);
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11 return nextBvl;
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12 }
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14 const BitVectorPtr allocateBitVector() {
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16 BitVectorPtr bi = (BitVectorPtr)malloc(sizeof(BitVector));
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17 if (bi == NULL) {
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18 fprintf(stderr, "Failed to allocate memory.\n");
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19 exit(-1);
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20 }
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22 bi->bitContainer = (unsigned long*)malloc(sizeof(unsigned long)*bi->arrayNum);
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23 if (bi->bitContainer == NULL) {
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24 fprintf(stderr, "Failed to allocate memory.\n");
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25 exit(-1);
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26 }
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27
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28 for (int i = 0; i < bi->arrayNum; i++) {
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29 bi->bitContainer[i] = 0;
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30 }
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31
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32 return bi;
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33 }
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34
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35 BitVectorPtr bitSet(int bitSetPosition) {
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37 BitVectorPtr bi = allocateBitVector();
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39 bi->arrayNum = (bitSetPosition + BITBLOCK) / BITBLOCK;
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40
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41 int arrayPosition = bitSetPosition / BITBLOCK;
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42
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43 unsigned long tmp = 1 << (bitSetPosition % BITBLOCK);
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44 bi->bitContainer[arrayPosition] = bi->bitContainer[arrayPosition] | tmp;
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45
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46 return bi;
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47 }
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48
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49 void bitPrint(BitVectorPtr bi) {
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50 for (int i = 0; i < bi->arrayNum ; i++) {
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51 unsigned long vec = bi->bitContainer[i];
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52 for (int j = 0; j < BITBLOCK; j++) {
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53 printf( "%lu", vec & 1 );
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54 vec >>= 1;
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55 }
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56 printf(" ");
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57 }
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58 puts("");
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59 }