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b58ddff026
* merged mpfr 3.0.0 and gmp 5.0.1 in buildtools trunk git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@37378 a95241bf-73f2-0310-859d-f6bbb57e9c96
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/* Test file for mpfr_zeta_ui.
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Copyright 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Contributed by the Arenaire and Cacao projects, INRIA.
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This file is part of the GNU MPFR Library.
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The GNU MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The GNU MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
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http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "mpfr-test.h"
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#define TEST_FUNCTION mpfr_zeta_ui
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int
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main (int argc, char *argv[])
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{
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#if MPFR_VERSION >= MPFR_VERSION_NUM(2,3,0)
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unsigned int prec, yprec;
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int rnd;
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mpfr_t x, y, z, t;
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int inexact;
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unsigned long n;
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tests_start_mpfr ();
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mpfr_init (x);
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mpfr_init (y);
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mpfr_init (z);
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mpfr_init (t);
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if (argc >= 3) /* tzeta_ui n prec [rnd] */
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{
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mpfr_set_prec (x, atoi (argv[2]));
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mpfr_zeta_ui (x, atoi (argv[1]),
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argc > 3 ? (mpfr_rnd_t) atoi (argv[3]) : MPFR_RNDN);
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mpfr_out_str (stdout, 10, 0, x, MPFR_RNDN);
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printf ("\n");
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goto clear_and_exit;
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}
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mpfr_set_prec (x, 33);
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mpfr_set_prec (y, 33);
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mpfr_zeta_ui (x, 3, MPFR_RNDZ);
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mpfr_set_str_binary (y, "0.100110011101110100000000001001111E1");
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if (mpfr_cmp (x, y))
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{
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printf ("Error for zeta(3), prec=33, MPFR_RNDZ\n");
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printf ("expected "); mpfr_dump (y);
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printf ("got "); mpfr_dump (x);
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exit (1);
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}
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for (prec = MPFR_PREC_MIN; prec <= 100; prec++)
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{
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mpfr_set_prec (x, prec);
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mpfr_set_prec (z, prec);
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mpfr_set_prec (t, prec);
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yprec = prec + 10;
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mpfr_set_prec (y, yprec);
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for (n = 0; n < 50; n++)
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for (rnd = 0; rnd < MPFR_RND_MAX; rnd++)
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{
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inexact = mpfr_zeta_ui (y, n, MPFR_RNDN);
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if (mpfr_can_round (y, yprec, MPFR_RNDN, MPFR_RNDZ, prec
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+ (rnd == MPFR_RNDN)))
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{
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mpfr_set (t, y, (mpfr_rnd_t) rnd);
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inexact = mpfr_zeta_ui (z, n, (mpfr_rnd_t) rnd);
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if (mpfr_cmp (t, z))
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{
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printf ("results differ for n=%lu", n);
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printf (" prec=%u rnd_mode=%s\n", prec,
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mpfr_print_rnd_mode ((mpfr_rnd_t) rnd));
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printf (" got ");
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mpfr_dump (z);
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printf (" expected ");
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mpfr_dump (t);
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printf (" approx ");
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mpfr_dump (y);
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exit (1);
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}
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}
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}
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}
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clear_and_exit:
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mpfr_clear (x);
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mpfr_clear (y);
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mpfr_clear (z);
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mpfr_clear (t);
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tests_end_mpfr ();
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#endif
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return 0;
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}
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