70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* Test mpf_pow_ui
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Copyright 2015 Free Software Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "gmp-impl.h"
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#include "tests.h"
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void
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check_data (void)
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{
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unsigned int b, e;
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mpf_t b1, r, r2, limit;
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mpf_inits (b1, r, r2, NULL);
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mpf_init_set_ui (limit, 1);
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mpf_mul_2exp (limit, limit, MAX (GMP_NUMB_BITS, 53));
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/* This test just test integers with results that fit in a single
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limb or 53 bits. This avoids any rounding. */
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for (b = 0; b <= 400; b++)
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{
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mpf_set_ui (b1, b);
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mpf_set_ui (r2, 1);
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for (e = 0; e <= GMP_LIMB_BITS; e++)
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{
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mpf_pow_ui (r, b1, e);
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if (mpf_cmp (r, r2))
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abort ();
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mpf_mul_ui (r2, r2, b);
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if (mpf_cmp (r2, limit) >= 0)
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break;
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}
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}
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mpf_clears (b1, r, r2, limit, NULL);
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}
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int
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main (int argc, char **argv)
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{
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tests_start ();
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check_data ();
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tests_end ();
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exit (0);
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}
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