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Annotation of OpenXM_contrib/gmp/tests/mpz/t-mul_i.c, Revision 1.1.1.1

1.1       ohara       1: /* Test mpz_mul_ui and mpz_mul_si.
                      2:
                      3: Copyright 2001, 2002 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:
                     25: #include "gmp.h"
                     26: #include "gmp-impl.h"
                     27: #include "tests.h"
                     28:
                     29:
                     30: mpz_t got, want, x;
                     31:
                     32: void
                     33: compare_si (long y)
                     34: {
                     35:   if (mpz_cmp (got, want) != 0)
                     36:     {
                     37:       printf    ("mpz_mul_si wrong\n");
                     38:       mpz_trace ("  x", x);
                     39:       printf    ("  y=%ld (0x%lX)\n", y, y);
                     40:       mpz_trace ("  got ", got);
                     41:       mpz_trace ("  want", want);
                     42:       abort ();
                     43:     }
                     44: }
                     45:
                     46: void
                     47: compare_ui (unsigned long y)
                     48: {
                     49:   if (mpz_cmp (got, want) != 0)
                     50:     {
                     51:       printf    ("mpz_mul_ui wrong\n");
                     52:       mpz_trace ("  x", x);
                     53:       printf    ("  y=%lu (0x%lX)\n", y, y);
                     54:       mpz_trace ("  got ", got);
                     55:       mpz_trace ("  want", want);
                     56:       abort ();
                     57:     }
                     58: }
                     59:
                     60: void
                     61: check_samples (void)
                     62: {
                     63:   {
                     64:     long  y;
                     65:
                     66:     mpz_set_ui (x, 1L);
                     67:     y = 0;
                     68:     mpz_mul_si (got, x, y);
                     69:     mpz_set_si (want, y);
                     70:     compare_si (y);
                     71:
                     72:     mpz_set_ui (x, 1L);
                     73:     y = 1;
                     74:     mpz_mul_si (got, x, y);
                     75:     mpz_set_si (want, y);
                     76:     compare_si (y);
                     77:
                     78:     mpz_set_ui (x, 1L);
                     79:     y = -1;
                     80:     mpz_mul_si (got, x, y);
                     81:     mpz_set_si (want, y);
                     82:     compare_si (y);
                     83:
                     84:     mpz_set_ui (x, 1L);
                     85:     y = LONG_MIN;
                     86:     mpz_mul_si (got, x, y);
                     87:     mpz_set_si (want, y);
                     88:     compare_si (y);
                     89:
                     90:     mpz_set_ui (x, 1L);
                     91:     y = LONG_MAX;
                     92:     mpz_mul_si (got, x, y);
                     93:     mpz_set_si (want, y);
                     94:     compare_si (y);
                     95:   }
                     96:
                     97:   {
                     98:     unsigned long y;
                     99:
                    100:     mpz_set_ui (x, 1L);
                    101:     y = 0;
                    102:     mpz_mul_ui (got, x, y);
                    103:     mpz_set_ui (want, y);
                    104:     compare_ui (y);
                    105:
                    106:     mpz_set_ui (x, 1L);
                    107:     y = 1;
                    108:     mpz_mul_ui (got, x, y);
                    109:     mpz_set_ui (want, y);
                    110:     compare_ui (y);
                    111:
                    112:     mpz_set_ui (x, 1L);
                    113:     y = ULONG_MAX;
                    114:     mpz_mul_ui (got, x, y);
                    115:     mpz_set_ui (want, y);
                    116:     compare_ui (y);
                    117:   }
                    118: }
                    119:
                    120: int
                    121: main (int argc, char **argv)
                    122: {
                    123:   tests_start ();
                    124:
                    125:   mpz_init (x);
                    126:   mpz_init (got);
                    127:   mpz_init (want);
                    128:
                    129:   check_samples ();
                    130:
                    131:   mpz_clear (x);
                    132:   mpz_clear (got);
                    133:   mpz_clear (want);
                    134:
                    135:   tests_end ();
                    136:   exit (0);
                    137: }