Annotation of OpenXM_contrib/gmp/mpz/tests/t-misc.c, Revision 1.1
1.1 ! maekawa 1: /* Exercise various mpz functions. */
! 2:
! 3: /*
! 4: Copyright (C) 2000 Free Software Foundation, Inc.
! 5:
! 6: This file is part of the GNU MP Library.
! 7:
! 8: The GNU MP Library is free software; you can redistribute it and/or modify
! 9: it under the terms of the GNU Lesser General Public License as published by
! 10: the Free Software Foundation; either version 2.1 of the License, or (at your
! 11: option) any later version.
! 12:
! 13: The GNU MP Library is distributed in the hope that it will be useful, but
! 14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 16: License for more details.
! 17:
! 18: You should have received a copy of the GNU Lesser General Public License
! 19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: MA 02111-1307, USA.
! 22: */
! 23:
! 24: #include <stdio.h>
! 25: #include "gmp.h"
! 26: #include "gmp-impl.h"
! 27:
! 28: #define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
! 29:
! 30:
! 31: void
! 32: oddeven (void)
! 33: {
! 34: static const struct {
! 35: const char *n;
! 36: int odd, even;
! 37: } data[] = {
! 38: { "0", 0, 1 },
! 39: { "1", 1, 0 },
! 40: { "2", 0, 1 },
! 41: { "3", 1, 0 },
! 42: { "4", 0, 1 },
! 43:
! 44: { "-4", 0, 1 },
! 45: { "-3", 1, 0 },
! 46: { "-2", 0, 1 },
! 47: { "-1", 1, 0 },
! 48:
! 49: { "0x1000000000000000000000000000000000000000000000000000", 0, 1 },
! 50: { "0x1000000000000000000000000000000000000000000000000001", 1, 0 },
! 51: { "0x1000000000000000000000000000000000000000000000000002", 0, 1 },
! 52: { "0x1000000000000000000000000000000000000000000000000003", 1, 0 },
! 53:
! 54: { "-0x1000000000000000000000000000000000000000000000000004", 0, 1 },
! 55: { "-0x1000000000000000000000000000000000000000000000000003", 1, 0 },
! 56: { "-0x1000000000000000000000000000000000000000000000000002", 0, 1 },
! 57: { "-0x1000000000000000000000000000000000000000000000000001", 1, 0 },
! 58: };
! 59:
! 60: mpz_t n;
! 61: int i;
! 62:
! 63: mpz_init (n);
! 64: for (i = 0; i < numberof (data); i++)
! 65: {
! 66: mpz_set_str (n, data[i].n, 0);
! 67:
! 68: if ((mpz_odd_p (n) != 0) != data[i].odd)
! 69: {
! 70: printf ("mpz_odd_p wrong on data[%d]\n", i);
! 71: abort();
! 72: }
! 73:
! 74: if ((mpz_even_p (n) != 0) != data[i].even)
! 75: {
! 76: printf ("mpz_even_p wrong on data[%d]\n", i);
! 77: abort();
! 78: }
! 79: }
! 80:
! 81: mpz_clear (n);
! 82: }
! 83:
! 84:
! 85: void
! 86: check_mpz_set_si (void)
! 87: {
! 88: static const struct {
! 89: long n;
! 90: mp_size_t want_size;
! 91: mp_limb_t want_limb;
! 92: } data[] = {
! 93:
! 94: { 0L, 0 },
! 95: { 1L, 1, 1 },
! 96: { -1L, -1, 1 },
! 97:
! 98: { LONG_MAX, 1, LONG_MAX },
! 99: { -LONG_MAX, -1, LONG_MAX },
! 100:
! 101: { LONG_HIGHBIT, -1, ULONG_HIGHBIT },
! 102: };
! 103:
! 104: mpz_t n;
! 105: int i;
! 106:
! 107: mpz_init (n);
! 108: for (i = 0; i < numberof (data); i++)
! 109: {
! 110: mpz_init (n);
! 111: mpz_set_si (n, data[i].n);
! 112: if (n->_mp_size != data[i].want_size
! 113: || (n->_mp_size != 0 && n->_mp_d[0] != data[i].want_limb))
! 114: {
! 115: printf ("mpz_set_si wrong on data[%d]\n", i);
! 116: abort();
! 117: }
! 118: mpz_clear (n);
! 119:
! 120: mpz_init_set_si (n, data[i].n);
! 121: if (n->_mp_size != data[i].want_size
! 122: || (n->_mp_size != 0 && n->_mp_d[0] != data[i].want_limb))
! 123: {
! 124: printf ("mpz_init_set_si wrong on data[%d]\n", i);
! 125: abort();
! 126: }
! 127: mpz_clear (n);
! 128: }
! 129: }
! 130:
! 131:
! 132: void
! 133: check_mpz_cmp_si (void)
! 134: {
! 135: static const struct {
! 136: const char *a, *b;
! 137: int want;
! 138: } data[] = {
! 139: { "0", "1", -1 },
! 140: { "0", "0", 0 },
! 141: { "0", "-1", 1 },
! 142:
! 143: { "1", "1", 0 },
! 144: { "1", "0", 1 },
! 145: { "1", "-1", 1 },
! 146:
! 147: { "-1", "1", -1 },
! 148: { "-1", "0", -1 },
! 149: { "-1", "-1", 0 },
! 150:
! 151: { "0", "-0x80000000", 1 },
! 152: { "0x80000000", "-0x80000000", 1 },
! 153: { "0x80000001", "-0x80000000", 1 },
! 154: { "-0x80000000", "-0x80000000", 0 },
! 155: { "-0x80000001", "-0x80000000", -1 },
! 156:
! 157: { "0", "-0x8000000000000000", 1 },
! 158: { "0x8000000000000000", "-0x8000000000000000", 1 },
! 159: { "0x8000000000000001", "-0x8000000000000000", 1 },
! 160: { "-0x8000000000000000", "-0x8000000000000000", 0 },
! 161: { "-0x8000000000000001", "-0x8000000000000000", -1 },
! 162: };
! 163:
! 164: mpz_t a, bz;
! 165: long b;
! 166: int got;
! 167: int i;
! 168:
! 169: mpz_init (a);
! 170: mpz_init (bz);
! 171: for (i = 0; i < numberof (data); i++)
! 172: {
! 173: mpz_set_str (a, data[i].a, 0);
! 174: mpz_set_str (bz, data[i].b, 0);
! 175:
! 176: if (mpz_fits_slong_p (bz))
! 177: {
! 178: b = mpz_get_si (bz);
! 179: got = mpz_cmp_si (a, b);
! 180: if (SGN (got) != data[i].want)
! 181: {
! 182: printf ("mpz_cmp_si wrong on data[%d]\n", i);
! 183: printf (" a="); mpz_out_str (stdout, 10, a); printf ("\n");
! 184: printf (" b=%ld\n", b);
! 185: printf (" got=%d\n", got);
! 186: printf (" want=%d\n", data[i].want);
! 187: abort();
! 188: }
! 189: }
! 190: }
! 191:
! 192: mpz_clear (a);
! 193: mpz_clear (bz);
! 194: }
! 195:
! 196:
! 197: int
! 198: main (void)
! 199: {
! 200: oddeven ();
! 201: check_mpz_set_si ();
! 202: check_mpz_cmp_si ();
! 203:
! 204: exit (0);
! 205: }
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