/* Test mpf_pow_ui

Copyright 2015 Free Software Foundation, Inc.

This file is part of the GNU MP Library test suite.

The GNU MP Library test suite is free software; you can redistribute it

and/or modify it under the terms of the GNU General Public License as

published by the Free Software Foundation; either version 3 of the License,

or (at your option) any later version.

The GNU MP Library test suite is distributed in the hope that it will be

useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General

Public License for more details.

You should have received a copy of the GNU General Public License along with

the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */

#include <stdio.h>

#include <stdlib.h>

#include "gmp.h"

#include "gmp-impl.h"

#include "tests.h"

void

check_data (void)

{

  unsigned int b, e;

  mpf_t b1, r, r2, limit;

  mpf_inits (b1, r, r2, NULL);

  mpf_init_set_ui (limit, 1);

  mpf_mul_2exp (limit, limit, MAX (GMP_NUMB_BITS, 53)); 

  /* This test just test integers with results that fit in a single

     limb or 53 bits.  This avoids any rounding.  */

  for (b = 0; b <= 400; b++)

    {

      mpf_set_ui (b1, b);

      mpf_set_ui (r2, 1);

      for (e = 0; e <= GMP_LIMB_BITS; e++)

	{

	  mpf_pow_ui (r, b1, e);

	  if (mpf_cmp (r, r2))

	    abort ();

	  mpf_mul_ui (r2, r2, b);

	  if (mpf_cmp (r2, limit) >= 0)

	    break;

	}

    }

  mpf_clears (b1, r, r2, limit, NULL);

}

int

main (int argc, char **argv)

{

  tests_start ();

  check_data ();

  tests_end ();

  exit (0);

}