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7d55d5b0 MW |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | ||
4 | #include "mp.h" | |
5 | #include "mptext.h" | |
6 | ||
7 | ||
8 | int main(int argc, char *argv[]) | |
9 | { | |
10 | mp *x; | |
11 | mpscan sc; | |
12 | unsigned long d, i; | |
13 | enum { Z = 0, Z1 = 2, X = 4, X0 = 6 }; | |
14 | unsigned st = Z; | |
15 | ||
16 | x = mp_readstring(MP_NEW, argv[1], 0, 0); | |
17 | d = mp_bits(x); | |
18 | ||
19 | for (i = 0, mp_scan(&sc, x); mp_step(&sc); i++) { | |
20 | switch (st | mp_bit(&sc)) { | |
4158a1ad MW |
21 | case Z | 1: st = Z1; printf("\t-> Z1\n"); break; |
22 | case Z1 | 0: st = Z; printf("+ %lu\t-> Z\n", i - 1); break; | |
23 | case Z1 | 1: st = X; printf("- %lu\t-> X\n", i - 1); break; | |
24 | case X | 0: st = X0; printf("\t-> X0\n"); break; | |
25 | case X0 | 1: st = X; printf("- %lu\t-> X\n", i - 1); break; | |
26 | case X0 | 0: st = Z; printf("+ %lu\t-> Z\n", i - 1); break; | |
7d55d5b0 MW |
27 | } |
28 | } | |
4158a1ad MW |
29 | switch (st) { |
30 | case Z1: case X0: printf("+ %lu\n", i - 1); break; | |
31 | case X: printf("+ %lu\n", i); break; | |
32 | } | |
7d55d5b0 | 33 | } |