Return to t-cmp_si.c CVS log

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

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

1.1     ! ohara       1: /* Test mpf_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:     int         a_base;
        !            35:     const char  *a;
        !            36:     const char  *b;
        !            37:     int         want;
        !            38:   } data[] = {
        !            39:     { 10, "0",  "1", -1 },
        !            40:     { 10, "0",  "0",  0 },
        !            41:     { 10, "0", "-1",  1 },
        !            42:
        !            43:     { 10, "1",  "1", 0 },
        !            44:     { 10, "1",  "0", 1 },
        !            45:     { 10, "1", "-1", 1 },
        !            46:
        !            47:     { 10, "-1",  "1", -1 },
        !            48:     { 10, "-1",  "0", -1 },
        !            49:     { 10, "-1", "-1", 0 },
        !            50:
        !            51:     { 16,         "0", "-0x80000000",  1 },
        !            52:     { 16,  "80000000", "-0x80000000",  1 },
        !            53:     { 16,  "80000001", "-0x80000000",  1 },
        !            54:     { 16, "-80000000", "-0x80000000",  0 },
        !            55:     { 16, "-80000001", "-0x80000000", -1 },
        !            56:
        !            57:     { 16,                 "0", "-0x8000000000000000",  1 },
        !            58:     { 16,  "8000000000000000", "-0x8000000000000000",  1 },
        !            59:     { 16,  "8000000000000001", "-0x8000000000000000",  1 },
        !            60:     { 16, "-8000000000000000", "-0x8000000000000000",  0 },
        !            61:     { 16, "-8000000000000001", "-0x8000000000000000", -1 },
        !            62:   };
        !            63:
        !            64:   mpf_t  a;
        !            65:   mpz_t  bz;
        !            66:   long   b;
        !            67:   int    got;
        !            68:   int    i;
        !            69:
        !            70:   mpf_init (a);
        !            71:   mpz_init (bz);
        !            72:   for (i = 0; i < numberof (data); i++)
        !            73:     {
        !            74:       mpf_set_str_or_abort (a, data[i].a, data[i].a_base);
        !            75:       mpz_set_str_or_abort (bz, data[i].b, 0);
        !            76:
        !            77:       if (mpz_fits_slong_p (bz))
        !            78:         {
        !            79:           b = mpz_get_si (bz);
        !            80:           got = mpf_cmp_si (a, b);
        !            81:           if (SGN (got) != data[i].want)
        !            82:             {
        !            83:               printf ("mpf_cmp_si wrong on data[%d]\n", i);
        !            84:               printf ("  a="); mpf_out_str (stdout, 10, 0, a);
        !            85:               printf (" (%s)\n", data[i].a);
        !            86:               printf ("  b=%ld (%s)\n", b, data[i].b);
        !            87:               printf ("  got=%d\n", got);
        !            88:               printf ("  want=%d\n", data[i].want);
        !            89:               abort();
        !            90:             }
        !            91:         }
        !            92:     }
        !            93:
        !            94:   mpf_clear (a);
        !            95:   mpz_clear (bz);
        !            96: }
        !            97:
        !            98: int
        !            99: main (void)
        !           100: {
        !           101:   tests_start ();
        !           102:
        !           103:   check_data ();
        !           104:
        !           105:   tests_end ();
        !           106:   exit (0);
        !           107: }