| Index: gcc/mpfr/tests/tui_pow.c
|
| diff --git a/gcc/mpfr/tests/tui_pow.c b/gcc/mpfr/tests/tui_pow.c
|
| deleted file mode 100644
|
| index 31cd036bedb076f02d272bf5c2eecf8959fa46ef..0000000000000000000000000000000000000000
|
| --- a/gcc/mpfr/tests/tui_pow.c
|
| +++ /dev/null
|
| @@ -1,262 +0,0 @@
|
| -/* Test file for mpfr_ui_pow and mpfr_ui_pow_ui.
|
| -
|
| -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 <limits.h>
|
| -
|
| -#include "mpfr-test.h"
|
| -
|
| -static void
|
| -test1 (void)
|
| -{
|
| - mpfr_t x, y, z, a;
|
| - int res1, res2;
|
| -
|
| - mpfr_init2 (x, 32);
|
| - mpfr_init2 (y, 65);
|
| - mpfr_init2 (z, 17);
|
| - mpfr_init2 (a, 17);
|
| -
|
| - mpfr_set_str_binary (x, "-0.101110001001011011011e-9");
|
| - mpfr_ui_pow (y, 7, x, GMP_RNDN);
|
| -
|
| - mpfr_set_prec (x, 40);
|
| - mpfr_set_str_binary (x, "-0.1100101100101111011001010010110011110110E-1");
|
| - mpfr_set_prec (y, 74);
|
| - mpfr_ui_pow (y, 8, x, GMP_RNDN);
|
| - mpfr_set_prec (x, 74);
|
| - mpfr_set_str_binary (x, "0.11100000010100111101000011111011011010011000011000101011010011010101000011E-1");
|
| - if (mpfr_cmp (x, y))
|
| - {
|
| - printf ("Error for input of 40 bits, output of 74 bits\n");
|
| - exit (1);
|
| - }
|
| -
|
| - /* Check for ui_pow_ui */
|
| - mpfr_ui_pow_ui (x, 0, 1, GMP_RNDN);
|
| - MPFR_ASSERTN(mpfr_cmp_ui (x, 0) == 0 && MPFR_IS_POS (x));
|
| - mpfr_ui_pow_ui (x, 0, 4, GMP_RNDN);
|
| - MPFR_ASSERTN(mpfr_cmp_ui (x, 0) == 0 && MPFR_IS_POS (x));
|
| - res1 = mpfr_ui_pow_ui (z, 17, 42, GMP_RNDD);
|
| - mpfr_set_ui (x, 17, GMP_RNDN);
|
| - mpfr_set_ui (y, 42, GMP_RNDN);
|
| - res2 = mpfr_pow (a, x, y, GMP_RNDD);
|
| - if (mpfr_cmp (z, a) || res1 != res2)
|
| - {
|
| - printf ("Error for ui_pow_ui for 17^42\n"
|
| - "Inexact1 = %d Inexact2 = %d\n", res1, res2);
|
| - mpfr_dump (z);
|
| - mpfr_dump (a);
|
| - exit (1);
|
| - }
|
| - mpfr_set_prec (x, 2);
|
| - mpfr_ui_pow_ui (x, 65537, 65535, GMP_RNDN);
|
| - if (mpfr_cmp_str (x, "0.11E1048562", 2, GMP_RNDN) != 0)
|
| - {
|
| - printf ("Error for ui_pow_ui for 65537 ^65535 with 2 bits of precision\n");
|
| - mpfr_dump (x);
|
| - exit (1);
|
| - }
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| - mpfr_clear (z);
|
| - mpfr_clear (a);
|
| -}
|
| -
|
| -static void
|
| -check1 (mpfr_ptr x, mp_prec_t prec, unsigned long nt, mp_rnd_t rnd)
|
| -{
|
| - mpfr_t y, z, t;
|
| - int inexact, compare, compare2;
|
| - mp_prec_t yprec;
|
| - mp_exp_t err;
|
| -
|
| - yprec = prec + 10;
|
| -
|
| - mpfr_init (y);
|
| - mpfr_init (z);
|
| - mpfr_init (t);
|
| - mpfr_set_prec (y, yprec);
|
| - mpfr_set_prec (z, prec);
|
| - mpfr_set_prec (t, prec);
|
| -
|
| - compare = mpfr_ui_pow (y, nt, x, rnd);
|
| - err = (rnd == GMP_RNDN) ? yprec + 1 : yprec;
|
| - if (mpfr_can_round (y, err, rnd, rnd, prec))
|
| - {
|
| - mpfr_set (t, y, rnd);
|
| - inexact = mpfr_ui_pow (z, nt, x, rnd);
|
| - if (mpfr_cmp (t, z))
|
| - {
|
| - printf ("results differ for x=");
|
| - mpfr_out_str (stdout, 2, prec, x, GMP_RNDN);
|
| - printf (" n=%lu", nt);
|
| - printf (" prec=%u rnd_mode=%s\n", (unsigned) prec,
|
| - mpfr_print_rnd_mode (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 ("approx ");
|
| - mpfr_print_binary (y);
|
| - puts ("");
|
| - exit (1);
|
| - }
|
| - compare2 = mpfr_cmp (t, y);
|
| - /* if rounding to nearest, cannot know the sign of t - f(x)
|
| - because of composed rounding: y = o(f(x)) and t = o(y) */
|
| - if ((rnd != GMP_RNDN) && (compare * compare2 >= 0))
|
| - compare = compare + compare2;
|
| - else
|
| - compare = inexact; /* cannot determine sign(t-f(x)) */
|
| - if (((inexact == 0) && (compare != 0)) ||
|
| - ((inexact > 0) && (compare <= 0)) ||
|
| - ((inexact < 0) && (compare >= 0)))
|
| - {
|
| - printf ("Wrong inexact flag for rnd=%s: expected %d, got %d\n",
|
| - mpfr_print_rnd_mode (rnd), compare, inexact);
|
| - printf ("x="); mpfr_print_binary (x); puts ("");
|
| - printf ("y="); mpfr_print_binary (y); puts ("");
|
| - printf ("t="); mpfr_print_binary (t); puts ("");
|
| - exit (1);
|
| - }
|
| - }
|
| -
|
| - mpfr_clear (y);
|
| - mpfr_clear (z);
|
| - mpfr_clear (t);
|
| -}
|
| -
|
| -int
|
| -main (int argc, char *argv[])
|
| -{
|
| - mpfr_t x, y;
|
| - unsigned long int n;
|
| -
|
| - tests_start_mpfr ();
|
| -
|
| - mpfr_init (x);
|
| - mpfr_init (y);
|
| -
|
| - n = randlimb ();
|
| -
|
| - MPFR_SET_INF(x);
|
| - mpfr_ui_pow (y, n, x, GMP_RNDN);
|
| - if(!MPFR_IS_INF(y))
|
| - {
|
| - printf ("evaluation of function in INF does not return INF\n");
|
| - exit (1);
|
| - }
|
| -
|
| - MPFR_CHANGE_SIGN(x);
|
| - mpfr_ui_pow (y, n, x, GMP_RNDN);
|
| - if(!MPFR_IS_ZERO(y))
|
| - {
|
| - printf ("evaluation of function in -INF does not return 0");
|
| - exit (1);
|
| - }
|
| -
|
| - MPFR_SET_NAN(x);
|
| - mpfr_ui_pow (y, n, x, GMP_RNDN);
|
| - if(!MPFR_IS_NAN(y))
|
| - {
|
| - printf ("evaluation of function in NAN does not return NAN");
|
| - exit (1);
|
| - }
|
| -
|
| - test1 ();
|
| -
|
| - {
|
| - mpfr_t z, t;
|
| - mp_prec_t prec;
|
| - mp_rnd_t rnd;
|
| - unsigned int n;
|
| -
|
| - mp_prec_t p0=2, p1=100;
|
| - unsigned int N=20;
|
| -
|
| - mpfr_init2 (z, 38);
|
| - mpfr_init2 (t, 6);
|
| -
|
| - /* check exact power */
|
| - mpfr_set_str_binary (t, "0.110000E5");
|
| - mpfr_ui_pow (z, 3, t, GMP_RNDN);
|
| -
|
| - mpfr_set_prec (x, 2);
|
| - mpfr_set_prec (y, 2);
|
| - mpfr_set_str (x, "-0.5", 10, GMP_RNDZ);
|
| - mpfr_ui_pow (y, 4, x, GMP_RNDD);
|
| - if (mpfr_cmp_ui_2exp(y, 1, -1))
|
| - {
|
| - fprintf (stderr, "Error for 4^(-0.5), prec=2, GMP_RNDD\n");
|
| - fprintf (stderr, "expected 0.5, got ");
|
| - mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
|
| - fprintf (stderr, "\n");
|
| - exit (1);
|
| - }
|
| -
|
| - /* problem found by Kevin on spe175.testdrive.compaq.com
|
| - (03 Sep 2003) */
|
| - mpfr_set_prec (x, 2);
|
| - mpfr_set_prec (y, 2);
|
| - mpfr_set_str (x, "0.5", 10, GMP_RNDN);
|
| - mpfr_ui_pow (y, 398441521, x, GMP_RNDN);
|
| - if (mpfr_cmp_ui_2exp(y, 1, 14))
|
| - {
|
| - fprintf (stderr, "Error for 398441521^(0.5), prec=2, GMP_RNDN\n");
|
| - fprintf (stderr, "expected 1.0e14, got ");
|
| - mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
|
| - fprintf (stderr, "\n");
|
| - exit (1);
|
| - }
|
| -
|
| - mpfr_clear (z);
|
| - mpfr_clear (t);
|
| -
|
| - mpfr_set_prec (x, 2);
|
| - mpfr_set_str (x, "0.5", 10, GMP_RNDN);
|
| - check1 (x, 2, 398441521, GMP_RNDN); /* 398441521 = 19961^2 */
|
| -
|
| - /* generic test */
|
| - for (prec = p0; prec <= p1; prec++)
|
| - {
|
| - mpfr_set_prec (x, prec);
|
| - for (n=0; n<N; n++)
|
| - {
|
| - int nt;
|
| - nt = randlimb () & INT_MAX;
|
| - mpfr_urandomb (x, RANDS);
|
| - rnd = RND_RAND ();
|
| - check1 (x, prec, nt, rnd);
|
| - }
|
| - }
|
| - }
|
| -
|
| - mpfr_clear (x);
|
| - mpfr_clear (y);
|
| -
|
| - tests_end_mpfr ();
|
| - return 0;
|
| -}
|
|
|