Back to index

lightning-sunbird  0.9+nobinonly
Defines | Functions
mptest-8.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <time.h>
#include "mpi.h"
#include "mpprime.h"

Go to the source code of this file.


#define MP_IOFUNC   1


int main (int argc, char *argv[])

Define Documentation

#define MP_IOFUNC   1

Definition at line 50 of file mptest-8.c.

Function Documentation

int main ( int  argc,
char *  argv[] 

Definition at line 55 of file mptest-8.c.

  int       ix;
  mp_digit  num;
  mp_int    a;


  if(argc < 2) {
    fprintf(stderr, "Usage: %s <a>\n", argv[0]);
    return 1;

  printf("Test 8: Probabilistic primality testing\n\n");


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

  printf("a = "); mp_print(&a, stdout); fputc('\n', stdout);

  printf("\nChecking for divisibility by small primes ... \n");
  num = 170;
  if(mpp_divis_primes(&a, &num) == MP_YES) {
    printf("it is not prime\n");
    goto CLEANUP;
  printf("Passed that test (not divisible by any small primes).\n");

  for(ix = 0; ix < 10; ix++) {
    printf("\nPerforming Rabin-Miller test, iteration %d\n", ix + 1);

    if(mpp_pprime(&a, 5) == MP_NO) {
      printf("it is not prime\n");
      goto CLEANUP;
  printf("All tests passed; a is probably prime\n");


  return 0;

Here is the call graph for this function: