/*
    Copyright (C) 2009 William Hart

    This file is part of FLINT.

    FLINT is free software: you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 2.1 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"

int main(void)
{
   int i, result;
   ulong count = UWORD(0);
   FLINT_TEST_INIT(state);
   
   flint_printf("factor_one_line....");
   fflush(stdout);

   

   for (i = 0; i < 500 * flint_test_multiplier(); i++) /* Test random numbers */
   {
      mp_limb_t n1, n2, bits;
      
      do
      {
#if FLINT64
         bits = n_randint(state, 44);
#else
         bits = n_randint(state, 20);
#endif
         n1 = n_randtest_bits(state, bits + 1);
      } while (n_is_prime(n1) || (n1 == UWORD(1)));
      
      n2 = n_factor_one_line(n1, 50000);
      
      if (n2)
      {
         count++;
         result = ((n1%n2) == UWORD(0));

         if (!result)
         {
            flint_printf("FAIL:\n");
            flint_printf("n1 = %wu, n2 = %wu\n", n1, n2); 
            abort();
         }
      }
   }
   
   if (count < 450 * flint_test_multiplier())
   {
      flint_printf("FAIL:\n");
      flint_printf("Only %wu numbers factored\n", count);
      abort();
   }

   FLINT_TEST_CLEANUP(state);
   
   flint_printf("PASS\n");
   return 0;
}