| Index: gcc/mpfr/tests/tdiv_ui.c
|
| diff --git a/gcc/mpfr/tests/tdiv_ui.c b/gcc/mpfr/tests/tdiv_ui.c
|
| deleted file mode 100644
|
| index 80f0e3961d1ed96f7a0fcfc207db888785b11c11..0000000000000000000000000000000000000000
|
| --- a/gcc/mpfr/tests/tdiv_ui.c
|
| +++ /dev/null
|
| @@ -1,237 +0,0 @@
|
| -/* Test file for mpfr_div_ui.
|
| -
|
| -Copyright 1999, 2000, 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 <float.h>
|
| -
|
| -#include "mpfr-test.h"
|
| -
|
| -static void
|
| -check (const char *ds, unsigned long u, mp_rnd_t rnd, const char *es)
|
| -{
|
| - mpfr_t x, y;
|
| -
|
| - mpfr_init2 (x, 53);
|
| - mpfr_init2 (y, 53);
|
| - mpfr_set_str1 (x, ds);
|
| - mpfr_div_ui (y, x, u, rnd);
|
| - if (mpfr_cmp_str1 (y, es))
|
| - {
|
| - printf ("mpfr_div_ui failed for x=%s, u=%lu, rnd=%s\n", ds, u,
|
| - mpfr_print_rnd_mode (rnd));
|
| - printf ("expected result is %s, got", es);
|
| - mpfr_out_str(stdout, 10, 0, y, GMP_RNDN);
|
| - exit (1);
|
| - }
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -}
|
| -
|
| -static void
|
| -special (void)
|
| -{
|
| - mpfr_t x, y;
|
| - unsigned xprec, yprec;
|
| -
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| -
|
| - mpfr_set_prec (x, 32);
|
| - mpfr_set_prec (y, 32);
|
| - mpfr_set_ui (x, 1, GMP_RNDN);
|
| - mpfr_div_ui (y, x, 3, GMP_RNDN);
|
| -
|
| - mpfr_set_prec (x, 100);
|
| - mpfr_set_prec (y, 100);
|
| - mpfr_urandomb (x, RANDS);
|
| - mpfr_div_ui (y, x, 123456, GMP_RNDN);
|
| - mpfr_set_ui (x, 0, GMP_RNDN);
|
| - mpfr_div_ui (y, x, 123456789, GMP_RNDN);
|
| - if (mpfr_cmp_ui (y, 0))
|
| - {
|
| - printf ("mpfr_div_ui gives non-zero for 0/ui\n");
|
| - exit (1);
|
| - }
|
| -
|
| - /* bug found by Norbert Mueller, 21 Aug 2001 */
|
| - mpfr_set_prec (x, 110);
|
| - mpfr_set_prec (y, 60);
|
| - mpfr_set_str_binary (x, "0.110101110011111110011111001110011001110111000000111110001000111011000011E-44");
|
| - mpfr_div_ui (y, x, 17, GMP_RNDN);
|
| - mpfr_set_str_binary (x, "0.11001010100101100011101110000001100001010110101001010011011E-48");
|
| - if (mpfr_cmp (x, y))
|
| - {
|
| - printf ("Error in x/17 for x=1/16!\n");
|
| - printf ("Expected ");
|
| - mpfr_out_str (stdout, 2, 0, x, GMP_RNDN);
|
| - printf ("\nGot ");
|
| - mpfr_out_str (stdout, 2, 0, y, GMP_RNDN);
|
| - printf ("\n");
|
| - exit (1);
|
| - }
|
| -
|
| - /* corner case */
|
| - mpfr_set_prec (x, 2 * mp_bits_per_limb);
|
| - mpfr_set_prec (y, 2);
|
| - mpfr_set_ui (x, 4, GMP_RNDN);
|
| - mpfr_nextabove (x);
|
| - mpfr_div_ui (y, x, 2, GMP_RNDN); /* exactly in the middle */
|
| - MPFR_ASSERTN(mpfr_cmp_ui (y, 2) == 0);
|
| -
|
| - mpfr_set_prec (x, 3 * mp_bits_per_limb);
|
| - mpfr_set_prec (y, 2);
|
| - mpfr_set_ui (x, 2, GMP_RNDN);
|
| - mpfr_nextabove (x);
|
| - mpfr_div_ui (y, x, 2, GMP_RNDN);
|
| - MPFR_ASSERTN(mpfr_cmp_ui (y, 1) == 0);
|
| -
|
| - mpfr_set_prec (x, 3 * mp_bits_per_limb);
|
| - mpfr_set_prec (y, 2);
|
| - mpfr_set_si (x, -4, GMP_RNDN);
|
| - mpfr_nextbelow (x);
|
| - mpfr_div_ui (y, x, 2, GMP_RNDD);
|
| - MPFR_ASSERTN(mpfr_cmp_si (y, -3) == 0);
|
| -
|
| - for (xprec = 53; xprec <= 128; xprec++)
|
| - {
|
| - mpfr_set_prec (x, xprec);
|
| - mpfr_set_str_binary (x, "0.1100100100001111110011111000000011011100001100110111E2");
|
| - for (yprec = 53; yprec <= 128; yprec++)
|
| - {
|
| - mpfr_set_prec (y, yprec);
|
| - mpfr_div_ui (y, x, 1, GMP_RNDN);
|
| - if (mpfr_cmp(x,y))
|
| - {
|
| - printf ("division by 1.0 fails for xprec=%u, yprec=%u\n", xprec, yprec);
|
| - printf ("expected "); mpfr_print_binary (x); puts ("");
|
| - printf ("got "); mpfr_print_binary (y); puts ("");
|
| - exit (1);
|
| - }
|
| - }
|
| - }
|
| -
|
| - /* Bug reported by Mark Dickinson, 6 Nov 2007 */
|
| - mpfr_set_si (x, 0, GMP_RNDN);
|
| - mpfr_set_si (y, -1, GMP_RNDN);
|
| - mpfr_div_ui (y, x, 4, GMP_RNDN);
|
| - MPFR_ASSERTN(MPFR_IS_ZERO(y) && MPFR_IS_POS(y));
|
| -
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -}
|
| -
|
| -static void
|
| -check_inexact (void)
|
| -{
|
| - mpfr_t x, y, z;
|
| - mp_prec_t px, py;
|
| - int inexact, cmp;
|
| - unsigned long int u;
|
| - int rnd;
|
| -
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| - mpfr_init (z);
|
| -
|
| - for (px=2; px<300; px++)
|
| - {
|
| - mpfr_set_prec (x, px);
|
| - mpfr_urandomb (x, RANDS);
|
| - do
|
| - {
|
| - u = randlimb ();
|
| - }
|
| - while (u == 0);
|
| - for (py=2; py<300; py++)
|
| - {
|
| - mpfr_set_prec (y, py);
|
| - mpfr_set_prec (z, py + mp_bits_per_limb);
|
| - for (rnd = 0; rnd < GMP_RND_MAX; rnd++)
|
| - {
|
| - inexact = mpfr_div_ui (y, x, u, (mp_rnd_t) rnd);
|
| - if (mpfr_mul_ui (z, y, u, (mp_rnd_t) rnd))
|
| - {
|
| - printf ("z <- y * u should be exact for u=%lu\n", u);
|
| - printf ("y="); mpfr_print_binary (y); puts ("");
|
| - printf ("z="); mpfr_print_binary (z); puts ("");
|
| - exit (1);
|
| - }
|
| - cmp = mpfr_cmp (z, x);
|
| - if (((inexact == 0) && (cmp != 0)) ||
|
| - ((inexact > 0) && (cmp <= 0)) ||
|
| - ((inexact < 0) && (cmp >= 0)))
|
| - {
|
| - printf ("Wrong inexact flag for u=%lu, rnd=%s\n", u,
|
| - mpfr_print_rnd_mode ((mp_rnd_t) rnd));
|
| - printf ("x="); mpfr_print_binary (x); puts ("");
|
| - printf ("y="); mpfr_print_binary (y); puts ("");
|
| - exit (1);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| - mpfr_clear (z);
|
| -}
|
| -
|
| -#define TEST_FUNCTION mpfr_div_ui
|
| -#define INTEGER_TYPE unsigned long
|
| -#define RAND_FUNCTION(x) mpfr_random2(x, MPFR_LIMB_SIZE (x), 1)
|
| -#include "tgeneric_ui.c"
|
| -
|
| -int
|
| -main (int argc, char **argv)
|
| -{
|
| - mpfr_t x;
|
| -
|
| - tests_start_mpfr ();
|
| -
|
| - special ();
|
| -
|
| - check_inexact ();
|
| -
|
| - check("1.0", 3, GMP_RNDN, "3.3333333333333331483e-1");
|
| - check("1.0", 3, GMP_RNDZ, "3.3333333333333331483e-1");
|
| - check("1.0", 3, GMP_RNDU, "3.3333333333333337034e-1");
|
| - check("1.0", 3, GMP_RNDD, "3.3333333333333331483e-1");
|
| - check("1.0", 2116118, GMP_RNDN, "4.7256343927890600483e-7");
|
| - check("1.098612288668109782", 5, GMP_RNDN, "0.21972245773362195087");
|
| -
|
| - mpfr_init2 (x, 53);
|
| - mpfr_set_ui (x, 3, GMP_RNDD);
|
| - mpfr_log (x, x, GMP_RNDD);
|
| - mpfr_div_ui (x, x, 5, GMP_RNDD);
|
| - if (mpfr_cmp_str1 (x, "0.21972245773362189536"))
|
| - {
|
| - printf ("Error in mpfr_div_ui for x=ln(3), u=5\n");
|
| - exit (1);
|
| - }
|
| - mpfr_clear (x);
|
| -
|
| - test_generic_ui (2, 200, 100);
|
| -
|
| - tests_end_mpfr ();
|
| - return 0;
|
| -}
|
|
|