| Index: gcc/mpfr/tests/tfactorial.c
|
| diff --git a/gcc/mpfr/tests/tfactorial.c b/gcc/mpfr/tests/tfactorial.c
|
| deleted file mode 100644
|
| index f7a38c713d8057b0dcc94509416ee6ba282d18d0..0000000000000000000000000000000000000000
|
| --- a/gcc/mpfr/tests/tfactorial.c
|
| +++ /dev/null
|
| @@ -1,287 +0,0 @@
|
| -/* Test file for mpfr_factorial.
|
| -
|
| -Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
| -Contributed by the Arenaire and Cacao projects, INRIA.
|
| -
|
| -This file is part of the GNU MPFR Library.
|
| -
|
| -The GNU MPFR Library is free software; you can redistribute it and/or modify
|
| -it under the terms of the GNU Lesser General Public License as published by
|
| -the Free Software Foundation; either version 2.1 of the License, or (at your
|
| -option) any later version.
|
| -
|
| -The GNU MPFR Library 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 Lesser General Public
|
| -License for more details.
|
| -
|
| -You should have received a copy of the GNU Lesser General Public License
|
| -along with the GNU MPFR Library; see the file COPYING.LIB. If not, write to
|
| -the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
|
| -MA 02110-1301, USA. */
|
| -
|
| -#include <stdio.h>
|
| -#include <stdlib.h>
|
| -
|
| -#include "mpfr-test.h"
|
| -
|
| -#define TEST_FUNCTION mpfr_fac_ui
|
| -
|
| -static void
|
| -special (void)
|
| -{
|
| - mpfr_t x, y;
|
| - int inex;
|
| -
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| -
|
| - mpfr_set_prec (x, 21);
|
| - mpfr_set_prec (y, 21);
|
| - mpfr_fac_ui (x, 119, GMP_RNDZ);
|
| - mpfr_set_str_binary (y, "0.101111101110100110110E654");
|
| - if (mpfr_cmp (x, y))
|
| - {
|
| - printf ("Error in mpfr_fac_ui (119)\n");
|
| - exit (1);
|
| - }
|
| -
|
| - mpfr_set_prec (y, 206);
|
| - inex = mpfr_fac_ui (y, 767, GMP_RNDN);
|
| - mpfr_set_prec (x, 206);
|
| - mpfr_set_str_binary (x, "0.110111100001000001101010010001000111000100000100111000010011100011011111001100011110101000111101101100110001001100110100001001111110000101010000100100011100010011101110000001000010001100010000101001111E6250");
|
| - if (mpfr_cmp (x, y))
|
| - {
|
| - printf ("Error in mpfr_fac_ui (767)\n");
|
| - exit (1);
|
| - }
|
| - if (inex <= 0)
|
| - {
|
| - printf ("Wrong flag for mpfr_fac_ui (767)\n");
|
| - exit (1);
|
| - }
|
| -
|
| - mpfr_set_prec (y, 202);
|
| - mpfr_fac_ui (y, 69, GMP_RNDU);
|
| -
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -}
|
| -
|
| -static void
|
| -test_int (void)
|
| -{
|
| - unsigned long n0 = 1, n1 = 80, n;
|
| - mpz_t f;
|
| - mpfr_t x, y;
|
| - mp_prec_t prec_f, p;
|
| - int r;
|
| - int inex1, inex2;
|
| -
|
| - mpz_init (f);
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| -
|
| - mpz_fac_ui (f, n0 - 1);
|
| - for (n = n0; n <= n1; n++)
|
| - {
|
| - mpz_mul_ui (f, f, n); /* f = n! */
|
| - prec_f = mpz_sizeinbase (f, 2) - mpz_scan1 (f, 0);
|
| - for (p = MPFR_PREC_MIN; p <= prec_f; p++)
|
| - {
|
| - mpfr_set_prec (x, p);
|
| - mpfr_set_prec (y, p);
|
| - for (r = 0; r < GMP_RND_MAX; r++)
|
| - {
|
| - inex1 = mpfr_fac_ui (x, n, (mp_rnd_t) r);
|
| - inex2 = mpfr_set_z (y, f, (mp_rnd_t) r);
|
| - if (mpfr_cmp (x, y))
|
| - {
|
| - printf ("Error for n=%lu prec=%lu rnd=%s\n",
|
| - n, (unsigned long) p, mpfr_print_rnd_mode ((mp_rnd_t) r));
|
| - exit (1);
|
| - }
|
| - if ((inex1 < 0 && inex2 >= 0) || (inex1 == 0 && inex2 != 0)
|
| - || (inex1 > 0 && inex2 <= 0))
|
| - {
|
| - printf ("Wrong inexact flag for n=%lu prec=%lu rnd=%s\n",
|
| - n, (unsigned long) p, mpfr_print_rnd_mode ((mp_rnd_t) r));
|
| - exit (1);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - mpz_clear (f);
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -}
|
| -
|
| -static void
|
| -overflowed_fac0 (void)
|
| -{
|
| - mpfr_t x, y;
|
| - int inex, rnd, err = 0;
|
| - mp_exp_t old_emax;
|
| -
|
| - old_emax = mpfr_get_emax ();
|
| -
|
| - mpfr_init2 (x, 8);
|
| - mpfr_init2 (y, 8);
|
| -
|
| - mpfr_set_ui (y, 1, GMP_RNDN);
|
| - mpfr_nextbelow (y);
|
| - set_emax (0); /* 1 is not representable. */
|
| - RND_LOOP (rnd)
|
| - {
|
| - mpfr_clear_flags ();
|
| - inex = mpfr_fac_ui (x, 0, (mp_rnd_t) rnd);
|
| - if (! mpfr_overflow_p ())
|
| - {
|
| - printf ("Error in overflowed_fac0 (rnd = %s):\n"
|
| - " The overflow flag is not set.\n",
|
| - mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - err = 1;
|
| - }
|
| - if (rnd == GMP_RNDZ || rnd == GMP_RNDD)
|
| - {
|
| - if (inex >= 0)
|
| - {
|
| - printf ("Error in overflowed_fac0 (rnd = %s):\n"
|
| - " The inexact value must be negative.\n",
|
| - mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - err = 1;
|
| - }
|
| - if (! mpfr_equal_p (x, y))
|
| - {
|
| - printf ("Error in overflowed_fac0 (rnd = %s):\n"
|
| - " Got ", mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - mpfr_print_binary (x);
|
| - printf (" instead of 0.11111111E0.\n");
|
| - err = 1;
|
| - }
|
| - }
|
| - else
|
| - {
|
| - if (inex <= 0)
|
| - {
|
| - printf ("Error in overflowed_fac0 (rnd = %s):\n"
|
| - " The inexact value must be positive.\n",
|
| - mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - err = 1;
|
| - }
|
| - if (! (mpfr_inf_p (x) && MPFR_SIGN (x) > 0))
|
| - {
|
| - printf ("Error in overflowed_fac0 (rnd = %s):\n"
|
| - " Got ", mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - mpfr_print_binary (x);
|
| - printf (" instead of +Inf.\n");
|
| - err = 1;
|
| - }
|
| - }
|
| - }
|
| - set_emax (old_emax);
|
| -
|
| - if (err)
|
| - exit (1);
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -}
|
| -
|
| -int
|
| -main (int argc, char *argv[])
|
| -{
|
| - unsigned int prec, err, yprec, n, k, zeros;
|
| - int rnd;
|
| - mpfr_t x, y, z, t;
|
| - int inexact;
|
| -
|
| - tests_start_mpfr ();
|
| -
|
| - special ();
|
| -
|
| - test_int ();
|
| -
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| - mpfr_init (z);
|
| - mpfr_init (t);
|
| -
|
| - mpfr_fac_ui (y, 0, GMP_RNDN);
|
| -
|
| - if (mpfr_cmp_ui (y, 1))
|
| - {
|
| - printf ("mpfr_fac_ui(0) does not give 1\n");
|
| - exit (1);
|
| - }
|
| -
|
| - for (prec = 2; prec <= 100; prec++)
|
| - {
|
| - mpfr_set_prec (x, prec);
|
| - mpfr_set_prec (z, prec);
|
| - mpfr_set_prec (t, prec);
|
| - yprec = prec + 10;
|
| - mpfr_set_prec (y, yprec);
|
| -
|
| - for (n = 0; n < 50; n++)
|
| - for (rnd = 0; rnd < GMP_RND_MAX; rnd++)
|
| - {
|
| - inexact = mpfr_fac_ui (y, n, (mp_rnd_t) rnd);
|
| - err = (rnd == GMP_RNDN) ? yprec + 1 : yprec;
|
| - if (mpfr_can_round (y, err, (mp_rnd_t) rnd, (mp_rnd_t) rnd, prec))
|
| - {
|
| - mpfr_set (t, y, (mp_rnd_t) rnd);
|
| - inexact = mpfr_fac_ui (z, n, (mp_rnd_t) rnd);
|
| - /* fact(n) ends with floor(n/2)+floor(n/4)+... zeros */
|
| - for (k=n/2, zeros=0; k; k >>= 1)
|
| - zeros += k;
|
| - if (MPFR_EXP(y) <= (mp_exp_t) (prec + zeros))
|
| - /* result should be exact */
|
| - {
|
| - if (inexact)
|
| - {
|
| - printf ("Wrong inexact flag: expected exact\n");
|
| - exit (1);
|
| - }
|
| - }
|
| - else /* result is inexact */
|
| - {
|
| - if (!inexact)
|
| - {
|
| - printf ("Wrong inexact flag: expected inexact\n");
|
| - printf ("n=%u prec=%u\n", n, prec);
|
| - mpfr_print_binary(z); puts ("");
|
| - exit (1);
|
| - }
|
| - }
|
| - if (mpfr_cmp (t, z))
|
| - {
|
| - printf ("results differ for x=");
|
| - mpfr_out_str (stdout, 2, prec, x, GMP_RNDN);
|
| - printf (" prec=%u rnd_mode=%s\n", prec,
|
| - mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - printf (" got ");
|
| - mpfr_out_str (stdout, 2, prec, z, GMP_RNDN);
|
| - puts ("");
|
| - printf (" expected ");
|
| - mpfr_out_str (stdout, 2, prec, t, GMP_RNDN);
|
| - puts ("");
|
| - printf (" approximation was ");
|
| - mpfr_print_binary (y);
|
| - puts ("");
|
| - exit (1);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| - mpfr_clear (z);
|
| - mpfr_clear (t);
|
| -
|
| - overflowed_fac0 ();
|
| -
|
| - tests_end_mpfr ();
|
| - return 0;
|
| -}
|
|
|