Return to t-cmp_si.c CVS log

Up to [local] / OpenXM_contrib / gmp / tests / mpz

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

1.1     ! ohara       1: /* Test mpz_cmp_si.
        !             2:
        !             3: Copyright 2000, 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: #define SGN(x)       ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
        !            29:
        !            30: void
        !            31: check_data (void)
        !            32: {
        !            33:   static const struct {
        !            34:     const char  *a, *b;
        !            35:     int         want;
        !            36:   } data[] = {
        !            37:     { "0",  "1", -1 },
        !            38:     { "0",  "0",  0 },
        !            39:     { "0", "-1",  1 },
        !            40:
        !            41:     { "1",  "1", 0 },
        !            42:     { "1",  "0", 1 },
        !            43:     { "1", "-1", 1 },
        !            44:
        !            45:     { "-1",  "1", -1 },
        !            46:     { "-1",  "0", -1 },
        !            47:     { "-1", "-1", 0 },
        !            48:
        !            49:     {           "0", "-0x80000000",  1 },
        !            50:     {  "0x80000000", "-0x80000000",  1 },
        !            51:     {  "0x80000001", "-0x80000000",  1 },
        !            52:     { "-0x80000000", "-0x80000000",  0 },
        !            53:     { "-0x80000001", "-0x80000000", -1 },
        !            54:
        !            55:     {                   "0", "-0x8000000000000000",  1 },
        !            56:     {  "0x8000000000000000", "-0x8000000000000000",  1 },
        !            57:     {  "0x8000000000000001", "-0x8000000000000000",  1 },
        !            58:     { "-0x8000000000000000", "-0x8000000000000000",  0 },
        !            59:     { "-0x8000000000000001", "-0x8000000000000000", -1 },
        !            60:   };
        !            61:
        !            62:   mpz_t  a, bz;
        !            63:   long   b;
        !            64:   int    got;
        !            65:   int    i;
        !            66:
        !            67:   mpz_init (a);
        !            68:   mpz_init (bz);
        !            69:   for (i = 0; i < numberof (data); i++)
        !            70:     {
        !            71:       mpz_set_str_or_abort (a, data[i].a, 0);
        !            72:       mpz_set_str_or_abort (bz, data[i].b, 0);
        !            73:
        !            74:       if (mpz_fits_slong_p (bz))
        !            75:         {
        !            76:           b = mpz_get_si (bz);
        !            77:           got = mpz_cmp_si (a, b);
        !            78:           if (SGN (got) != data[i].want)
        !            79:             {
        !            80:               printf ("mpz_cmp_si wrong on data[%d]\n", i);
        !            81:               printf ("  a="); mpz_out_str (stdout, 10, a); printf ("\n");
        !            82:               printf ("  b=%ld\n", b);
        !            83:               printf ("  got=%d\n", got);
        !            84:               printf ("  want=%d\n", data[i].want);
        !            85:               abort();
        !            86:             }
        !            87:         }
        !            88:     }
        !            89:
        !            90:   mpz_clear (a);
        !            91:   mpz_clear (bz);
        !            92: }
        !            93:
        !            94:
        !            95: int
        !            96: main (void)
        !            97: {
        !            98:   tests_start ();
        !            99:
        !           100:   check_data ();
        !           101:
        !           102:   tests_end ();
        !           103:   exit (0);
        !           104: }