diff options
Diffstat (limited to 'gnu/lib/libgmp/mpq/tests/t-cmp_ui.c')
-rw-r--r-- | gnu/lib/libgmp/mpq/tests/t-cmp_ui.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/gnu/lib/libgmp/mpq/tests/t-cmp_ui.c b/gnu/lib/libgmp/mpq/tests/t-cmp_ui.c deleted file mode 100644 index f7b92ad..0000000 --- a/gnu/lib/libgmp/mpq/tests/t-cmp_ui.c +++ /dev/null @@ -1,102 +0,0 @@ -/* Test mpq_cmp_ui. - -Copyright (C) 1996 Free Software Foundation, Inc. - -This file is part of the GNU MP Library. - -The GNU MP Library is free software; you can redistribute it and/or modify -it under the terms of the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your -option) any later version. - -The GNU MP Library is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public -License for more details. - -You should have received a copy of the GNU Library General Public License -along with the GNU MP Library; see the file COPYING.LIB. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -#include "gmp.h" -#include "gmp-impl.h" -#include "urandom.h" - -#define NUM(x) (&((x)->_mp_num)) -#define DEN(x) (&((x)->_mp_den)) - -#define SGN(x) ((x) < 0 ? -1 : (x) > 0 ? 1 : 0) - -ref_mpq_cmp_ui (a, bn, bd) - mpq_t a; - unsigned long int bn, bd; -{ - mpz_t ai, bi; - int cc; - - mpz_init (ai); - mpz_init (bi); - - mpz_mul_ui (ai, NUM (a), bd); - mpz_mul_ui (bi, DEN (a), bn); - cc = mpz_cmp (ai, bi); - mpz_clear (ai); - mpz_clear (bi); - return cc; -} - -#ifndef SIZE -#define SIZE 8 /* increasing this lowers the probabilty of finding an error */ -#endif - -main (argc, argv) - int argc; - char **argv; -{ - mpq_t a, b; - mp_size_t size; - int reps = 100000; - int i; - int cc, ccref; - unsigned long int bn, bd; - - if (argc == 2) - reps = atoi (argv[1]); - - mpq_init (a); - mpq_init (b); - - for (i = 0; i < reps; i++) - { - size = urandom () % SIZE - SIZE/2; - mpz_random2 (NUM (a), size); - do - { - size = urandom () % SIZE - SIZE/2; - mpz_random2 (DEN (a), size); - } - while (mpz_cmp_ui (DEN (a), 0) == 0); - - mpz_random2 (NUM (b), 1); - do - { - mpz_random2 (DEN (b), 1); - } - while (mpz_cmp_ui (DEN (b), 0) == 0); - - mpq_canonicalize (a); - mpq_canonicalize (b); - - bn = mpz_get_ui (NUM (b)); - bd = mpz_get_ui (DEN (b)); - - ccref = ref_mpq_cmp_ui (a, bn, bd); - cc = mpq_cmp_ui (a, bn, bd); - - if (SGN (ccref) != SGN (cc)) - abort (); - } - - exit (0); -} |