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

1.1     ! ohara       1: /* Exercise mpz_get_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:
        !            29: void
        !            30: check_data (void)
        !            31: {
        !            32:   static const struct {
        !            33:     int         base;
        !            34:     const char  *f;
        !            35:     long        want;
        !            36:   } data[] = {
        !            37:     { 10, "0",      0L },
        !            38:     { 10, "1",      1L },
        !            39:     { 10, "-1",     -1L },
        !            40:     { 10, "2",      2L },
        !            41:     { 10, "-2",     -2L },
        !            42:     { 10, "12345",  12345L },
        !            43:     { 10, "-12345", -12345L },
        !            44:
        !            45:     /* fraction bits ignored */
        !            46:     { 10, "0.5",    0L },
        !            47:     { 10, "-0.5",   0L },
        !            48:     { 10, "1.1",    1L },
        !            49:     { 10, "-1.1",   -1L },
        !            50:     { 10, "1.9",    1L },
        !            51:     { 10, "-1.9",   -1L },
        !            52:     { 16, "1.000000000000000000000000000000000000000000000000001", 1L },
        !            53:     { 16, "-1.000000000000000000000000000000000000000000000000001", -1L },
        !            54:
        !            55:     /* low bits extracted (this is undocumented) */
        !            56:     { 16, "1000000000000000000000000000000000000000000000000001", 1L },
        !            57:     { 16, "-1000000000000000000000000000000000000000000000000001", -1L },
        !            58:   };
        !            59:
        !            60:   int    i;
        !            61:   mpf_t  f;
        !            62:   long   got;
        !            63:
        !            64:   mpf_init2 (f, 2000L);
        !            65:   for (i = 0; i < numberof (data); i++)
        !            66:     {
        !            67:       mpf_set_str_or_abort (f, data[i].f, data[i].base);
        !            68:
        !            69:       got = mpf_get_si (f);
        !            70:       if (got != data[i].want)
        !            71:         {
        !            72:           printf ("mpf_get_si wrong at data[%d]\n", i);
        !            73:           printf ("   f     \"%s\"\n", data[i].f);
        !            74:           printf ("     dec "); mpf_out_str (stdout, 10, 0, f); printf ("\n");
        !            75:           printf ("     hex "); mpf_out_str (stdout, 16, 0, f); printf ("\n");
        !            76:           printf ("   got   %ld (0x%lX)\n", got, got);
        !            77:           printf ("   want  %ld (0x%lX)\n", data[i].want, data[i].want);
        !            78:           abort();
        !            79:         }
        !            80:     }
        !            81:   mpf_clear (f);
        !            82: }
        !            83:
        !            84:
        !            85: void
        !            86: check_max (void)
        !            87: {
        !            88:   mpf_t  f;
        !            89:   long   want;
        !            90:   long   got;
        !            91:
        !            92:   mpf_init2 (f, 200L);
        !            93:
        !            94: #define CHECK_MAX(name)                                         \
        !            95:   if (got != want)                                              \
        !            96:     {                                                           \
        !            97:       printf ("mpf_get_si wrong on %s\n", name);                \
        !            98:       printf ("   f    ");                                      \
        !            99:       mpf_out_str (stdout, 10, 0, f); printf (", hex ");        \
        !           100:       mpf_out_str (stdout, 16, 0, f); printf ("\n");            \
        !           101:       printf ("   got  %ld, hex %lX\n", got, got);              \
        !           102:       printf ("   want %ld, hex %lX\n", want, want);            \
        !           103:       abort();                                                  \
        !           104:     }
        !           105:
        !           106:   want = LONG_MAX;
        !           107:   mpf_set_si (f, want);
        !           108:   got = mpf_get_si (f);
        !           109:   CHECK_MAX ("LONG_MAX");
        !           110:
        !           111:   want = LONG_MIN;
        !           112:   mpf_set_si (f, want);
        !           113:   got = mpf_get_si (f);
        !           114:   CHECK_MAX ("LONG_MIN");
        !           115:
        !           116:   mpf_clear (f);
        !           117: }
        !           118:
        !           119:
        !           120: int
        !           121: main (void)
        !           122: {
        !           123:   tests_start ();
        !           124:   check_data ();
        !           125:   check_max ();
        !           126:   tests_end ();
        !           127:   exit (0);
        !           128: }