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

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: }