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Annotation of OpenXM_contrib/gmp/tests/mpq/t-equal.c, Revision 1.1.1.1

1.1       ohara       1: /* Test mpq_equal.
                      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 "gmp.h"
                     25: #include "gmp-impl.h"
                     26: #include "tests.h"
                     27:
                     28:
                     29: void
                     30: check_one (mpq_srcptr x, mpq_srcptr y, int want)
                     31: {
                     32:   int  got;
                     33:
                     34:   MPQ_CHECK_FORMAT (x);
                     35:   MPQ_CHECK_FORMAT (y);
                     36:
                     37:   got = mpq_equal (x, y);
                     38:   if ((got != 0) != (want != 0))
                     39:     {
                     40:       printf ("mpq_equal got %d want %d\n", got, want);
                     41:       mpq_trace ("x", x);
                     42:       mpq_trace ("y", y);
                     43:       abort ();
                     44:     }
                     45: }
                     46:
                     47:
                     48: void
                     49: check_all (mpq_ptr x, mpq_ptr y, int want)
                     50: {
                     51:   check_one (x, y, want);
                     52:   check_one (y, x, want);
                     53:
                     54:   mpq_neg (x, x);
                     55:   mpq_neg (y, y);
                     56:
                     57:   check_one (x, y, want);
                     58:   check_one (y, x, want);
                     59: }
                     60:
                     61:
                     62: #define SET4Z(z, size,l3,l2,l1,l0) \
                     63:   SIZ(z) = size; PTR(z)[3] = l3; PTR(z)[2] = l2; PTR(z)[1] = l1; PTR(z)[0] = l0
                     64:
                     65: #define SET4(q, nsize,n3,n2,n1,n0, dsize,d3,d2,d1,d0)   \
                     66:   SET4Z (mpq_numref(q), nsize,n3,n2,n1,n0);             \
                     67:   SET4Z (mpq_denref(q), dsize,d3,d2,d1,d0)
                     68:
                     69:
                     70: /* Exercise various combinations of same and slightly different values. */
                     71:
                     72: void
                     73: check_various (void)
                     74: {
                     75:   mpq_t  x, y;
                     76:
                     77:   mpq_init (x);
                     78:   mpq_init (y);
                     79:
                     80:   mpz_realloc (mpq_numref(x), (mp_size_t) 20);
                     81:   mpz_realloc (mpq_denref(x), (mp_size_t) 20);
                     82:   mpz_realloc (mpq_numref(y), (mp_size_t) 20);
                     83:   mpz_realloc (mpq_denref(y), (mp_size_t) 20);
                     84:
                     85:   /* 0 == 0 */
                     86:   SET4 (x, 0,13,12,11,10, 1,23,22,21,1);
                     87:   SET4 (y, 0,33,32,31,30, 1,43,42,41,1);
                     88:   check_all (x, y, 1);
                     89:
                     90:   /* 83/99 == 83/99 */
                     91:   SET4 (x, 1,13,12,11,83, 1,23,22,21,99);
                     92:   SET4 (y, 1,33,32,31,83, 1,43,42,41,99);
                     93:   check_all (x, y, 1);
                     94:
                     95:   /* 1:2:3:4/5:6:7 == 1:2:3:4/5:6:7 */
                     96:   SET4 (x, 4,1,2,3,4, 3,88,5,6,7);
                     97:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                     98:   check_all (x, y, 1);
                     99:
                    100:   /* various individual changes making != */
                    101:   SET4 (x, 4,1,2,3,667, 3,88,5,6,7);
                    102:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    103:   check_all (x, y, 0);
                    104:   SET4 (x, 4,1,2,666,4, 3,88,5,6,7);
                    105:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    106:   check_all (x, y, 0);
                    107:   SET4 (x, 4,1,666,3,4, 3,88,5,6,7);
                    108:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    109:   check_all (x, y, 0);
                    110:   SET4 (x, 4,667,2,3,4, 3,88,5,6,7);
                    111:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    112:   check_all (x, y, 0);
                    113:   SET4 (x, 4,1,2,3,4, 3,88,5,6,667);
                    114:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    115:   check_all (x, y, 0);
                    116:   SET4 (x, 4,1,2,3,4, 3,88,5,667,7);
                    117:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    118:   check_all (x, y, 0);
                    119:   SET4 (x, 4,1,2,3,4, 3,88,666,6,7);
                    120:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    121:   check_all (x, y, 0);
                    122:   SET4 (x, -4,1,2,3,4, 3,88,5,6,7);
                    123:   SET4 (y,  4,1,2,3,4, 3,99,5,6,7);
                    124:   check_all (x, y, 0);
                    125:   SET4 (x, 1,1,2,3,4, 3,88,5,6,7);
                    126:   SET4 (y, 4,1,2,3,4, 3,99,5,6,7);
                    127:   check_all (x, y, 0);
                    128:
                    129:   mpq_clear (x);
                    130:   mpq_clear (y);
                    131: }
                    132:
                    133:
                    134: int
                    135: main (void)
                    136: {
                    137:   tests_start ();
                    138:   mp_trace_base = -16;
                    139:
                    140:   check_various ();
                    141:
                    142:   tests_end ();
                    143:   exit (0);
                    144: }