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Annotation of OpenXM_contrib/gmp/tests/mpq/t-get_str.c, Revision 1.1

1.1     ! ohara       1: /* Test mpq_get_str.
        !             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 <string.h>
        !            25: #include "gmp.h"
        !            26: #include "gmp-impl.h"
        !            27: #include "tests.h"
        !            28:
        !            29:
        !            30: void
        !            31: check_one (mpq_srcptr q, int base, const char *want)
        !            32: {
        !            33:   char    *str, *ret;
        !            34:   size_t  str_alloc;
        !            35:
        !            36:   MPQ_CHECK_FORMAT (q);
        !            37:   mp_trace_base = base;
        !            38:
        !            39:   str_alloc =
        !            40:     mpz_sizeinbase (mpq_numref(q), ABS(base)) +
        !            41:     mpz_sizeinbase (mpq_denref(q), ABS(base)) + 3;
        !            42:
        !            43:   str = mpq_get_str (NULL, base, q);
        !            44:   if (strlen(str)+1 > str_alloc)
        !            45:     {
        !            46:       printf ("mpq_get_str size bigger than should be (passing NULL)\n");
        !            47:       printf ("  base %d\n", base);
        !            48:       printf ("  got  size %u \"%s\"\n", strlen(str)+1, str);
        !            49:       printf ("  want size %u\n", str_alloc);
        !            50:       abort ();
        !            51:     }
        !            52:   if (strcmp (str, want) != 0)
        !            53:     {
        !            54:       printf ("mpq_get_str wrong (passing NULL)\n");
        !            55:       printf ("  base %d\n", base);
        !            56:       printf ("  got  \"%s\"\n", str);
        !            57:       printf ("  want \"%s\"\n", want);
        !            58:       mpq_trace ("  q", q);
        !            59:       abort ();
        !            60:     }
        !            61:   (*__gmp_free_func) (str, strlen (str) + 1);
        !            62:
        !            63:   str = (char *) (*__gmp_allocate_func) (str_alloc);
        !            64:
        !            65:   ret = mpq_get_str (str, base, q);
        !            66:   if (str != ret)
        !            67:     {
        !            68:       printf ("mpq_get_str wrong return value (passing non-NULL)\n");
        !            69:       printf ("  base %d\n", base);
        !            70:       printf ("  got  0x%lX\n", (unsigned long) ret);
        !            71:       printf ("  want 0x%lX\n", (unsigned long) want);
        !            72:       abort ();
        !            73:     }
        !            74:   if (strcmp (str, want) != 0)
        !            75:     {
        !            76:       printf ("mpq_get_str wrong (passing non-NULL)\n");
        !            77:       printf ("  base %d\n", base);
        !            78:       printf ("  got  \"%s\"\n", str);
        !            79:       printf ("  want \"%s\"\n", want);
        !            80:       abort ();
        !            81:     }
        !            82:   (*__gmp_free_func) (str, str_alloc);
        !            83: }
        !            84:
        !            85:
        !            86: void
        !            87: check_all (mpq_srcptr q, int base, const char *want)
        !            88: {
        !            89:   char  *s;
        !            90:
        !            91:   check_one (q, base, want);
        !            92:
        !            93:   s = __gmp_allocate_strdup (want);
        !            94:   strtoupper (s);
        !            95:   check_one (q, -base, s);
        !            96:   (*__gmp_free_func) (s, strlen(s)+1);
        !            97: }
        !            98:
        !            99: void
        !           100: check_data (void)
        !           101: {
        !           102:   static const struct {
        !           103:     int         base;
        !           104:     const char  *num;
        !           105:     const char  *den;
        !           106:     const char  *want;
        !           107:   } data[] = {
        !           108:     { 10, "0", "1", "0" },
        !           109:     { 10, "1", "1", "1" },
        !           110:
        !           111:     { 16, "ffffffff", "1", "ffffffff" },
        !           112:     { 16, "ffffffffffffffff", "1", "ffffffffffffffff" },
        !           113:
        !           114:     { 16, "1", "ffffffff", "1/ffffffff" },
        !           115:     { 16, "1", "ffffffffffffffff", "1/ffffffffffffffff" },
        !           116:     { 16, "1", "10000000000000003", "1/10000000000000003" },
        !           117:
        !           118:     { 10, "12345678901234567890", "9876543210987654323",
        !           119:       "12345678901234567890/9876543210987654323" },
        !           120:   };
        !           121:
        !           122:   mpq_t  q;
        !           123:   int    i;
        !           124:
        !           125:   mpq_init (q);
        !           126:   for (i = 0; i < numberof (data); i++)
        !           127:     {
        !           128:       mpz_set_str_or_abort (mpq_numref(q), data[i].num, data[i].base);
        !           129:       mpz_set_str_or_abort (mpq_denref(q), data[i].den, data[i].base);
        !           130:       check_all (q, data[i].base, data[i].want);
        !           131:     }
        !           132:   mpq_clear (q);
        !           133: }
        !           134:
        !           135:
        !           136: int
        !           137: main (void)
        !           138: {
        !           139:   tests_start ();
        !           140:
        !           141:   check_data ();
        !           142:
        !           143:   tests_end ();
        !           144:   exit (0);
        !           145: }