version 1.1.1.1, 2000/01/10 15:35:26 |
version 1.1.1.2, 2000/09/09 14:13:07 |
|
|
/* Test mpq_get_d |
/* Test mpq_get_d and mpq_set_d |
|
|
Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. |
Copyright (C) 1991, 1993, 1994, 1996, 2000 Free Software Foundation, Inc. |
|
|
This file is part of the GNU MP Library. |
This file is part of the GNU MP Library. |
|
|
The GNU MP Library is free software; you can redistribute it and/or modify |
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 |
it under the terms of the GNU Lesser General Public License as published by |
the Free Software Foundation; either version 2 of the License, or (at your |
the Free Software Foundation; either version 2.1 of the License, or (at your |
option) any later version. |
option) any later version. |
|
|
The GNU MP Library is distributed in the hope that it will be useful, but |
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 |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
License for more details. |
License for more details. |
|
|
You should have received a copy of the GNU Library General Public License |
You should have received a copy of the GNU Lesser General Public License |
along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
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, |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
MA 02111-1307, USA. */ |
MA 02111-1307, USA. */ |
Line 28 MA 02111-1307, USA. */ |
|
Line 28 MA 02111-1307, USA. */ |
|
#define SIZE 8 |
#define SIZE 8 |
#endif |
#endif |
|
|
|
#if defined (__vax__) && SIZE > 4 |
|
#undef SIZE |
|
#define SIZE 4 |
|
#endif |
|
|
|
void |
|
MPQ_CHECK_FORMAT (q) |
|
mpq_t q; |
|
{ |
|
mp_size_t n; |
|
|
|
n = ABSIZ (mpq_numref (q)); |
|
if (n != 0) |
|
ASSERT_ALWAYS (PTR(mpq_numref(q))[n - 1] != 0); |
|
|
|
n = ABSIZ (mpq_denref (q)); |
|
if (n != 0) |
|
ASSERT_ALWAYS (PTR(mpq_denref(q))[n - 1] != 0); |
|
} |
|
|
main (argc, argv) |
main (argc, argv) |
int argc; |
int argc; |
char **argv; |
char **argv; |
{ |
{ |
mpq_t a; |
mpq_t a; |
mp_size_t size; |
mp_size_t size; |
int reps = 10000; |
int reps = 1000; |
int i, j; |
int i, j; |
double last_d, new_d; |
double last_d, new_d; |
mpz_t eps; |
mpq_t qlast_d, qnew_d; |
|
mpq_t eps; |
|
|
if (argc == 2) |
if (argc == 2) |
reps = atoi (argv[1]); |
reps = atoi (argv[1]); |
Line 46 main (argc, argv) |
|
Line 67 main (argc, argv) |
|
numbers to the numerator and denominator. */ |
numbers to the numerator and denominator. */ |
|
|
mpq_init (a); |
mpq_init (a); |
mpz_init (eps); |
mpq_init (eps); |
|
mpq_init (qlast_d); |
|
mpq_init (qnew_d); |
|
|
for (i = 0; i < reps; i++) |
for (i = 0; i < reps; i++) |
{ |
{ |
Line 62 main (argc, argv) |
|
Line 85 main (argc, argv) |
|
mpq_canonicalize (a); |
mpq_canonicalize (a); |
|
|
last_d = mpq_get_d (a); |
last_d = mpq_get_d (a); |
|
mpq_set_d (qlast_d, last_d); |
for (j = 0; j < 10; j++) |
for (j = 0; j < 10; j++) |
{ |
{ |
size = urandom () % SIZE; |
size = urandom () % SIZE + 1; |
mpz_random2 (eps, size); |
mpz_random2 (mpq_numref (eps), size); |
mpz_add (mpq_numref (a), mpq_numref (a), eps); |
size = urandom () % SIZE + 1; |
|
mpz_random2 (mpq_denref (eps), size); |
|
mpq_canonicalize (eps); |
|
|
|
mpq_add (a, a, eps); |
mpq_canonicalize (a); |
mpq_canonicalize (a); |
new_d = mpq_get_d (a); |
new_d = mpq_get_d (a); |
if (last_d > new_d) |
if (last_d > new_d) |
abort (); |
{ |
|
fprintf (stderr, "ERROR (test %d/%d): bad mpq_get_d results\n", i, j); |
|
printf ("\nlast: %f\n ", last_d); |
|
printf (" new: %f\n ", new_d); dump (a); |
|
abort (); |
|
} |
|
mpq_set_d (qnew_d, new_d); |
|
MPQ_CHECK_FORMAT (qnew_d); |
|
if (mpq_cmp (qlast_d, qnew_d) > 0) |
|
{ |
|
fprintf (stderr, |
|
"ERROR (test %d/%d): bad mpq_set_d results\n", i, j); |
|
printf ("\nlast: %f\n ", last_d); dump (qlast_d); |
|
printf (" new: %f\n ", new_d); dump (qnew_d); |
|
abort (); |
|
} |
last_d = new_d; |
last_d = new_d; |
|
mpq_set (qlast_d, qnew_d); |
} |
} |
} |
} |
|
|