diff options
Diffstat (limited to 'gnu/lib/libgmp/mpz/tests/t-fdiv_ui.c')
-rw-r--r-- | gnu/lib/libgmp/mpz/tests/t-fdiv_ui.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/gnu/lib/libgmp/mpz/tests/t-fdiv_ui.c b/gnu/lib/libgmp/mpz/tests/t-fdiv_ui.c deleted file mode 100644 index 74ba9fc..0000000 --- a/gnu/lib/libgmp/mpz/tests/t-fdiv_ui.c +++ /dev/null @@ -1,117 +0,0 @@ -/* Test mpz_abs, mpz_add, mpz_cmp, mpz_cmp_ui, mpz_fdiv_qr_ui, mpz_fdiv_q_ui, - mpz_fdiv_r_ui, mpz_mul, mpz_mul_ui. - -Copyright (C) 1993, 1994, 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 <stdio.h> -#include "gmp.h" -#include "gmp-impl.h" -#include "urandom.h" - -void debug_mp (); - -#ifndef SIZE -#define SIZE 16 -#endif - -main (argc, argv) - int argc; - char **argv; -{ - mpz_t dividend; - mpz_t quotient, remainder; - mpz_t quotient2, remainder2; - mpz_t temp; - mp_size_t dividend_size; - mp_limb_t divisor; - int i; - int reps = 100000; - - if (argc == 2) - reps = atoi (argv[1]); - - mpz_init (dividend); - mpz_init (quotient); - mpz_init (remainder); - mpz_init (quotient2); - mpz_init (remainder2); - mpz_init (temp); - - for (i = 0; i < reps; i++) - { - dividend_size = urandom () % SIZE - SIZE/2; - mpz_random2 (dividend, dividend_size); - - divisor = urandom (); - if (divisor == 0) - continue; - - mpz_fdiv_qr_ui (quotient, remainder, dividend, divisor); - mpz_fdiv_q_ui (quotient2, dividend, divisor); - mpz_fdiv_r_ui (remainder2, dividend, divisor); - - /* First determine that the quotients and remainders computed - with different functions are equal. */ - if (mpz_cmp (quotient, quotient2) != 0) - dump_abort (dividend, divisor); - if (mpz_cmp (remainder, remainder2) != 0) - dump_abort (dividend, divisor); - - /* Check if the sign of the quotient is correct. */ - if (mpz_cmp_ui (quotient, 0) != 0) - if ((mpz_cmp_ui (quotient, 0) < 0) - != (mpz_cmp_ui (dividend, 0) < 0)) - dump_abort (dividend, divisor); - - /* Check if the remainder has the same sign as the divisor - (quotient rounded towards minus infinity). */ - if (mpz_cmp_ui (remainder, 0) != 0) - if (mpz_cmp_ui (remainder, 0) < 0) - dump_abort (dividend, divisor); - - mpz_mul_ui (temp, quotient, divisor); - mpz_add (temp, temp, remainder); - if (mpz_cmp (temp, dividend) != 0) - dump_abort (dividend, divisor); - - mpz_abs (remainder, remainder); - if (mpz_cmp_ui (remainder, divisor) >= 0) - dump_abort (dividend, divisor); - } - - exit (0); -} - -dump_abort (dividend, divisor) - mpz_t dividend; - mp_limb_t divisor; -{ - fprintf (stderr, "ERROR\n"); - fprintf (stderr, "dividend = "); debug_mp (dividend, -16); - fprintf (stderr, "divisor = %lX\n", divisor); - abort(); -} - -void -debug_mp (x, base) - mpz_t x; -{ - mpz_out_str (stderr, base, x); fputc ('\n', stderr); -} |