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Annotation of OpenXM_contrib/gmp/tests/mpz/t-lucnum_ui.c, Revision 1.1

1.1     ! ohara       1: /* Test mpz_lucnum_ui and mpz_lucnum2_ui.
        !             2:
        !             3: Copyright 2001 Free Software Foundation, Inc.
        !             4:
        !             5: This file is part of the GNU MP Library.
        !             6:
        !             7: The GNU MP Library is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU Lesser General Public License as published by
        !             9: the Free Software Foundation; either version 2.1 of the License, or (at your
        !            10: option) any later version.
        !            11:
        !            12: The GNU MP Library is distributed in the hope that it will be useful, but
        !            13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: License for more details.
        !            16:
        !            17: You should have received a copy of the GNU Lesser General Public License
        !            18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: MA 02111-1307, USA. */
        !            21:
        !            22: #include <stdio.h>
        !            23: #include <stdlib.h>
        !            24: #include "gmp.h"
        !            25: #include "gmp-impl.h"
        !            26: #include "tests.h"
        !            27:
        !            28:
        !            29: /* Usage: t-lucnum_ui [n]
        !            30:
        !            31:    Test up to L[n], or if n is omitted then the default limit below.  A
        !            32:    literal "x" for the limit means continue forever, this being meant only
        !            33:    for development.  */
        !            34:
        !            35:
        !            36: void
        !            37: check_sequence (int argc, char *argv[])
        !            38: {
        !            39:   unsigned long  n;
        !            40:   unsigned long  limit = 100 * BITS_PER_MP_LIMB;
        !            41:   mpz_t          want_ln, want_ln1, got_ln, got_ln1;
        !            42:
        !            43:   if (argc > 1 && argv[1][0] == 'x')
        !            44:     limit = ULONG_MAX;
        !            45:   else if (argc > 1)
        !            46:     limit = atoi (argv[1]);
        !            47:
        !            48:   /* start at n==0 */
        !            49:   mpz_init_set_si (want_ln1, -1); /* L[-1] */
        !            50:   mpz_init_set_ui (want_ln,  2);  /* L[0]   */
        !            51:   mpz_init (got_ln);
        !            52:   mpz_init (got_ln1);
        !            53:
        !            54:   for (n = 0; n < limit; n++)
        !            55:     {
        !            56:       mpz_lucnum2_ui (got_ln, got_ln1, n);
        !            57:       MPZ_CHECK_FORMAT (got_ln);
        !            58:       MPZ_CHECK_FORMAT (got_ln1);
        !            59:       if (mpz_cmp (got_ln, want_ln) != 0 || mpz_cmp (got_ln1, want_ln1) != 0)
        !            60:         {
        !            61:           printf ("mpz_lucnum2_ui(%lu) wrong\n", n);
        !            62:           mpz_trace ("want ln ", want_ln);
        !            63:           mpz_trace ("got  ln ",  got_ln);
        !            64:           mpz_trace ("want ln1", want_ln1);
        !            65:           mpz_trace ("got  ln1",  got_ln1);
        !            66:           abort ();
        !            67:         }
        !            68:
        !            69:       mpz_lucnum_ui (got_ln, n);
        !            70:       MPZ_CHECK_FORMAT (got_ln);
        !            71:       if (mpz_cmp (got_ln, want_ln) != 0)
        !            72:         {
        !            73:           printf ("mpz_lucnum_ui(%lu) wrong\n", n);
        !            74:           mpz_trace ("want ln", want_ln);
        !            75:           mpz_trace ("got  ln", got_ln);
        !            76:           abort ();
        !            77:         }
        !            78:
        !            79:       mpz_add (want_ln1, want_ln1, want_ln);  /* L[n+1] = L[n] + L[n-1] */
        !            80:       mpz_swap (want_ln1, want_ln);
        !            81:     }
        !            82:
        !            83:   mpz_clear (want_ln);
        !            84:   mpz_clear (want_ln1);
        !            85:   mpz_clear (got_ln);
        !            86:   mpz_clear (got_ln1);
        !            87: }
        !            88:
        !            89: int
        !            90: main (int argc, char *argv[])
        !            91: {
        !            92:   tests_start ();
        !            93:   mp_trace_base = -16;
        !            94:
        !            95:   check_sequence (argc, argv);
        !            96:
        !            97:   tests_end ();
        !            98:   exit (0);
        !            99: }