flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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/*
    Copyright (C) 2013 Martin Lee

    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 3 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#include <sys/types.h>
#include <time.h>
#include <unistd.h>

#include "nmod_poly.h"
#include "nmod_poly_factor.h"

int main (void)
{

    double t;
    nmod_poly_t f, g, h;
    int i;
    for (i= 15001;i < 16000; i++)
    {
      nmod_poly_init2 (f, 17, i/2+1);
      nmod_poly_init2 (g, 17, i+1);

      nmod_poly_set_coeff_ui (f, i/2, 1);
      nmod_poly_set_coeff_ui (f, 1, 1);
      nmod_poly_set_coeff_ui (f, 0, ((i%17)*(i%17)+3) % 17);

      nmod_poly_set_coeff_ui (g, i, 1);
      nmod_poly_set_coeff_ui (g, i/2+1, 1);
      nmod_poly_set_coeff_ui (g, 1, ((i % 17)+1)%17);
      nmod_poly_set_coeff_ui (g, 0, 15);

      nmod_poly_init (h, 17);
      nmod_poly_gcd (h, f, g);

      if (!nmod_poly_is_one (h))
      {
        nmod_poly_factor_t factors;
        flint_printf ("i= %d\n", i);
        nmod_poly_factor_init (factors);
        t= clock();
        nmod_poly_factor (factors, h);
                    t = (clock() - t) / CLOCKS_PER_SEC;
                flint_printf("factorization %.2lf\n", t);
        nmod_poly_factor_clear (factors);
      }

      nmod_poly_clear (f);
      nmod_poly_clear (g);
      nmod_poly_clear (h);
    }
    return 0;
}