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lightning-sunbird  0.9+nobinonly
Functions | Variables
lap.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "mpi.h"

Go to the source code of this file.

Functions

void sig_catch (int ign)
int main (int argc, char *argv[])

Variables

int g_quit = 0

Function Documentation

int main ( int  argc,
char *  argv[] 
)

Definition at line 53 of file lap.c.

{
  mp_int   a, m, p, k;

  if(argc < 3) {
    fprintf(stderr, "Usage: %s <a> <m>\n", argv[0]);
    return 1;
  }

  mp_init(&a);
  mp_init(&m);
  mp_init(&p);
  mp_add_d(&p, 1, &p);

  mp_read_radix(&a, argv[1], 10);
  mp_read_radix(&m, argv[2], 10);

  mp_init_copy(&k, &a);

  signal(SIGINT, sig_catch);
#ifndef __OS2__
  signal(SIGHUP, sig_catch);
#endif
  signal(SIGTERM, sig_catch);

  while(mp_cmp(&p, &m) < 0) {
    if(g_quit) {
       int  len;
       char *buf;

       len = mp_radix_size(&p, 10);
       buf = malloc(len);
       mp_toradix(&p, buf, 10);
       
       fprintf(stderr, "Terminated at: %s\n", buf);
       free(buf);
       return 1;
    }
    if(mp_cmp_d(&k, 1) == 0) {
      int    len;
      char  *buf;

      len = mp_radix_size(&p, 10);
      buf = malloc(len);
      mp_toradix(&p, buf, 10);

      printf("%s\n", buf);

      free(buf);
      break;
    }

    mp_mulmod(&k, &a, &m, &k);
    mp_add_d(&p, 1, &p);
  }

  if(mp_cmp(&p, &m) >= 0) 
    printf("No annihilating power.\n");

  mp_clear(&p);
  mp_clear(&m);
  mp_clear(&a);
  return 0;
}

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void sig_catch ( int  ign)

Variable Documentation

int g_quit = 0

Definition at line 51 of file lap.c.