Annotation of OpenXM_contrib/gmp/tests/mpz/t-lcm.c, Revision 1.1
1.1 ! ohara 1: /* Test mpz_lcm and mpz_lcm_ui.
! 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:
! 23:
! 24: #include <stdio.h>
! 25: #include <stdlib.h>
! 26: #include <string.h>
! 27:
! 28: #include "gmp.h"
! 29: #include "gmp-impl.h"
! 30: #include "tests.h"
! 31:
! 32:
! 33: void
! 34: check_all (mpz_ptr want, mpz_srcptr x_orig, mpz_srcptr y_orig)
! 35: {
! 36: mpz_t got, x, y;
! 37: int negx, negy, swap, inplace;
! 38:
! 39: mpz_init (got);
! 40: mpz_init_set (x, x_orig);
! 41: mpz_init_set (y, y_orig);
! 42:
! 43: for (swap = 0; swap < 2; swap++)
! 44: {
! 45: mpz_swap (x, y);
! 46:
! 47: for (negx = 0; negx < 2; negx++)
! 48: {
! 49: mpz_neg (x, x);
! 50:
! 51: for (negy = 0; negy < 2; negy++)
! 52: {
! 53: mpz_neg (y, y);
! 54:
! 55: for (inplace = 0; inplace <= 1; inplace++)
! 56: {
! 57: if (inplace)
! 58: { mpz_set (got, x); mpz_lcm (got, got, y); }
! 59: else
! 60: mpz_lcm (got, x, y);
! 61: MPZ_CHECK_FORMAT (got);
! 62:
! 63: if (mpz_cmp (got, want) != 0)
! 64: {
! 65: printf ("mpz_lcm wrong, inplace=%d\n", inplace);
! 66: fail:
! 67: mpz_trace ("x", x);
! 68: mpz_trace ("y", y);
! 69: mpz_trace ("got", got);
! 70: mpz_trace ("want", want);
! 71: abort ();
! 72: }
! 73:
! 74: if (mpz_fits_ulong_p (y))
! 75: {
! 76: unsigned long yu = mpz_get_ui (y);
! 77: if (inplace)
! 78: { mpz_set (got, x); mpz_lcm_ui (got, got, yu); }
! 79: else
! 80: mpz_lcm_ui (got, x, yu);
! 81:
! 82: if (mpz_cmp (got, want) != 0)
! 83: {
! 84: printf ("mpz_lcm_ui wrong, inplace=%d\n", inplace);
! 85: printf ("yu=%lu\n", yu);
! 86: goto fail;
! 87: }
! 88: }
! 89: }
! 90: }
! 91: }
! 92: }
! 93:
! 94: mpz_clear (got);
! 95: mpz_clear (x);
! 96: mpz_clear (y);
! 97: }
! 98:
! 99:
! 100: void
! 101: check_primes (void)
! 102: {
! 103: static unsigned long prime[] = {
! 104: 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,
! 105: 101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,
! 106: 191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,
! 107: 281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,
! 108: 389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,
! 109: };
! 110: mpz_t want, x, y;
! 111: int i;
! 112:
! 113: mpz_init (want);
! 114: mpz_init (x);
! 115: mpz_init (y);
! 116:
! 117: /* New prime each time. */
! 118: mpz_set_ui (want, 1L);
! 119: for (i = 0; i < numberof (prime); i++)
! 120: {
! 121: mpz_set (x, want);
! 122: mpz_set_ui (y, prime[i]);
! 123: mpz_mul_ui (want, want, prime[i]);
! 124: check_all (want, x, y);
! 125: }
! 126:
! 127: /* Old prime each time. */
! 128: mpz_set (x, want);
! 129: for (i = 0; i < numberof (prime); i++)
! 130: {
! 131: mpz_set_ui (y, prime[i]);
! 132: check_all (want, x, y);
! 133: }
! 134:
! 135: /* One old, one new each time. */
! 136: mpz_set_ui (want, prime[0]);
! 137: for (i = 1; i < numberof (prime); i++)
! 138: {
! 139: mpz_set (x, want);
! 140: mpz_set_ui (y, prime[i] * prime[i-1]);
! 141: mpz_mul_ui (want, want, prime[i]);
! 142: check_all (want, x, y);
! 143: }
! 144:
! 145: /* Triplets with A,B in x and B,C in y. */
! 146: mpz_set_ui (want, 1L);
! 147: mpz_set_ui (x, 1L);
! 148: mpz_set_ui (y, 1L);
! 149: for (i = 0; i+2 < numberof (prime); i += 3)
! 150: {
! 151: mpz_mul_ui (want, want, prime[i]);
! 152: mpz_mul_ui (want, want, prime[i+1]);
! 153: mpz_mul_ui (want, want, prime[i+2]);
! 154:
! 155: mpz_mul_ui (x, x, prime[i]);
! 156: mpz_mul_ui (x, x, prime[i+1]);
! 157:
! 158: mpz_mul_ui (y, y, prime[i+1]);
! 159: mpz_mul_ui (y, y, prime[i+2]);
! 160:
! 161: check_all (want, x, y);
! 162: }
! 163:
! 164:
! 165: mpz_clear (want);
! 166: mpz_clear (x);
! 167: mpz_clear (y);
! 168: }
! 169:
! 170:
! 171:
! 172: int
! 173: main (int argc, char *argv[])
! 174: {
! 175: tests_start ();
! 176:
! 177: check_primes ();
! 178:
! 179: tests_end ();
! 180: exit (0);
! 181: }
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