Add Chromium-only Blender WebEngine parity work
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mes123456
258
blender-5.2.0/extern/gmp-source/mini-gmp/tests/t-div.c
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258
blender-5.2.0/extern/gmp-source/mini-gmp/tests/t-div.c
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/*
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Copyright 2012, 2013, 2018 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 <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "testutils.h"
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#define MAXBITS 400
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#define COUNT 10000
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typedef void div_qr_func (mpz_t, mpz_t, const mpz_t, const mpz_t);
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typedef unsigned long div_qr_ui_func (mpz_t, mpz_t, const mpz_t, unsigned long);
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typedef void div_func (mpz_t, const mpz_t, const mpz_t);
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typedef unsigned long div_x_ui_func (mpz_t, const mpz_t, unsigned long);
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typedef unsigned long div_ui_func (const mpz_t, unsigned long);
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void
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testmain (int argc, char **argv)
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{
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unsigned i;
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mpz_t a, b, q, r, rq, rr;
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int div_p;
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mpz_init (a);
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mpz_init (b);
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mpz_init (r);
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mpz_init (q);
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mpz_init (rr);
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mpz_init (rq);
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for (i = 0; i < COUNT; i++)
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{
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unsigned j;
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for (j = 0; j < 3; j++)
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{
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static const enum hex_random_op ops[3] = { OP_CDIV, OP_FDIV, OP_TDIV };
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static const char name[3] = { 'c', 'f', 't'};
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static div_qr_func * const div_qr [3] =
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{
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mpz_cdiv_qr, mpz_fdiv_qr, mpz_tdiv_qr
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};
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static div_qr_ui_func * const div_qr_ui[3] =
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{
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mpz_cdiv_qr_ui, mpz_fdiv_qr_ui, mpz_tdiv_qr_ui
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};
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static div_func * const div_q [3] =
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{
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mpz_cdiv_q, mpz_fdiv_q, mpz_tdiv_q
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};
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static div_x_ui_func * const div_q_ui[3] =
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{
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mpz_cdiv_q_ui, mpz_fdiv_q_ui, mpz_tdiv_q_ui
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};
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static div_func * const div_r [3] =
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{
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mpz_cdiv_r, mpz_fdiv_r, mpz_tdiv_r
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};
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static div_x_ui_func * const div_r_ui[3] =
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{
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mpz_cdiv_r_ui, mpz_fdiv_r_ui, mpz_tdiv_r_ui
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};
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static div_ui_func * const div_ui[3] =
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{
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mpz_cdiv_ui, mpz_fdiv_ui, mpz_tdiv_ui
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};
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mini_random_op4 (ops[j], MAXBITS, a, b, rq, rr);
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div_qr[j] (q, r, a, b);
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if (mpz_cmp (r, rr) || mpz_cmp (q, rq))
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{
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fprintf (stderr, "mpz_%cdiv_qr failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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dump ("rref", rr);
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dump ("q ", q);
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dump ("qref", rq);
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abort ();
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}
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mpz_set_si (q, -5);
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div_q[j] (q, a, b);
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if (mpz_cmp (q, rq))
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{
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fprintf (stderr, "mpz_%cdiv_q failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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dump ("q ", q);
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dump ("qref", rq);
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abort ();
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}
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mpz_set_ui (r, ~5);
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div_r[j] (r, a, b);
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if (mpz_cmp (r, rr))
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{
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fprintf (stderr, "mpz_%cdiv_r failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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dump ("rref", rr);
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abort ();
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}
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if (j == 0) /* do this once, not for all roundings */
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{
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div_p = mpz_divisible_p (a, b);
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if ((mpz_sgn (r) == 0) ^ (div_p != 0))
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{
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fprintf (stderr, "mpz_divisible_p failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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abort ();
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}
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}
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mpz_set_si (r, -6);
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if (j == 0 && mpz_sgn (b) < 0) /* ceil, negative divisor */
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{
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mpz_mod (r, a, b);
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if (mpz_cmp (r, rr))
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{
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fprintf (stderr, "mpz_mod failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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dump ("rref", rr);
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abort ();
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}
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}
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if (j == 1 && mpz_sgn (b) > 0) /* floor, positive divisor */
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{
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mpz_mod (r, a, b);
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if (mpz_cmp (r, rr))
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{
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fprintf (stderr, "mpz_mod failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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dump ("rref", rr);
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abort ();
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}
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}
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if (mpz_fits_ulong_p (b))
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{
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unsigned long rl;
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mpz_set_si (r, -7);
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mpz_set_ui (q, ~7);
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rl = div_qr_ui[j] (q, r, a, mpz_get_ui (b));
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if (rl != mpz_get_ui (rr)
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|| mpz_cmp (r, rr) || mpz_cmp (q, rq))
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{
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fprintf (stderr, "mpz_%cdiv_qr_ui failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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fprintf(stderr, "rl = %lx\n", rl);
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dump ("r ", r);
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dump ("rref", rr);
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dump ("q ", q);
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dump ("qref", rq);
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abort ();
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}
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mpz_set_si (q, 3);
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rl = div_q_ui[j] (q, a, mpz_get_ui (b));
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if (rl != mpz_get_ui (rr) || mpz_cmp (q, rq))
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{
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fprintf (stderr, "mpz_%cdiv_q_ui failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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fprintf(stderr, "rl = %lx\n", rl);
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dump ("rref", rr);
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dump ("q ", q);
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dump ("qref", rq);
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abort ();
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}
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mpz_set_ui (r, 7);
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rl = div_r_ui[j] (r, a, mpz_get_ui (b));
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if (rl != mpz_get_ui (rr) || mpz_cmp (r, rr))
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{
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fprintf (stderr, "mpz_%cdiv_r_ui failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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fprintf(stderr, "rl = %lx\n", rl);
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dump ("r ", r);
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dump ("rref", rr);
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abort ();
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}
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rl = div_ui[j] (a, mpz_get_ui (b));
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if (rl != mpz_get_ui (rr))
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{
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fprintf (stderr, "mpz_%cdiv_ui failed:\n", name[j]);
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dump ("a", a);
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dump ("b", b);
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fprintf(stderr, "rl = %lx\n", rl);
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dump ("rref", rr);
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abort ();
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}
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if (j == 0) /* do this once, not for all roundings */
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{
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div_p = mpz_divisible_ui_p (a, mpz_get_ui (b));
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if ((mpz_sgn (r) == 0) ^ (div_p != 0))
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{
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fprintf (stderr, "mpz_divisible_ui_p failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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abort ();
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}
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}
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if (j == 1) /* floor */
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{
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mpz_set_si (r, -2);
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mpz_mod_ui (r, a, mpz_get_ui (b));
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if (mpz_cmp (r, rr))
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{
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fprintf (stderr, "mpz_mod failed:\n");
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dump ("a", a);
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dump ("b", b);
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dump ("r ", r);
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dump ("rref", rr);
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abort ();
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}
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}
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}
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}
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}
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mpz_clear (a);
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mpz_clear (b);
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mpz_clear (r);
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mpz_clear (q);
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mpz_clear (rr);
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mpz_clear (rq);
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}
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