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comparison c/bitVector/main.cc @ 49:f76fe618d5a7

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implement bitset
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Mon, 25 May 2015 20:46:26 +0900
parents 010ae96a3e4e
children bb0e88fbbe02
comparison
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48:010ae96a3e4e 49:f76fe618d5a7
1 #include <stdio.h> 1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
2 4
3 int main(int argc, char *argv[]){ 5 unsigned long bitContainer = 0x0000000000000000;
6 unsigned long bitMask = 0xFFFFFFFFFFFFFFFF;
4 7
8 void bitSet(unsigned int bitShiftNum) {
9 bitContainer = 1 ;
10 bitContainer = bitContainer << (63 - bitShiftNum);
11
12 for (int i = 63; i >= 0; i--) {
13 printf( "%lu", ( bitContainer >> i ) & 1 );
14 }
15 puts("");
16 }
17
18 void bitGet() {
19
20 }
21
22 int main(int argc, char **argv) {
23
24 unsigned int bitShiftNum = 0;
25 for (int i = 1; i < argc ; i++) {
26 if (strcmp(argv[i],"-n") == 0) {
27 bitShiftNum = atoi(argv[i+1]);
28 }
29 }
30
31 bitSet(bitShiftNum);
5 return 0; 32 return 0;
6 } 33 }