diff options
Diffstat (limited to 'gnu/lib/libgmp/mpf/tests/t-sqrt.c')
-rw-r--r-- | gnu/lib/libgmp/mpf/tests/t-sqrt.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/gnu/lib/libgmp/mpf/tests/t-sqrt.c b/gnu/lib/libgmp/mpf/tests/t-sqrt.c deleted file mode 100644 index 5c72ab5..0000000 --- a/gnu/lib/libgmp/mpf/tests/t-sqrt.c +++ /dev/null @@ -1,103 +0,0 @@ -/* Test mpf_sqrt, mpf_mul. - -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 <stdio.h> -#include "gmp.h" -#include "gmp-impl.h" -#include "urandom.h" - -#ifndef SIZE -#define SIZE 16 -#endif - -main (argc, argv) - int argc; - char **argv; -{ - mp_size_t size; - mp_exp_t exp; - int reps = 100000; - int i; - mpf_t x, y, y2; - mp_size_t bprec = 100; - mpf_t rerr, max_rerr, limit_rerr; - - if (argc > 1) - { - reps = strtol (argv[1], 0, 0); - if (argc > 2) - bprec = strtol (argv[2], 0, 0); - } - - mpf_set_default_prec (bprec); - - mpf_init_set_ui (limit_rerr, 1); - mpf_div_2exp (limit_rerr, limit_rerr, bprec); -#if VERBOSE - mpf_dump (limit_rerr); -#endif - mpf_init (rerr); - mpf_init_set_ui (max_rerr, 0); - - mpf_init (x); - mpf_init (y); - mpf_init (y2); - for (i = 0; i < reps; i++) - { - size = urandom () % SIZE; - exp = urandom () % SIZE; - mpf_random2 (x, size, exp); - - mpf_sqrt (y, x); - mpf_mul (y2, y, y); - - mpf_reldiff (rerr, x, y2); - if (mpf_cmp (rerr, max_rerr) > 0) - { - mpf_set (max_rerr, rerr); -#if VERBOSE - mpf_dump (max_rerr); -#endif - if (mpf_cmp (rerr, limit_rerr) > 0) - { - printf ("ERROR after %d tests\n", i); - printf (" x = "); mpf_dump (x); - printf (" y = "); mpf_dump (y); - printf (" y2 = "); mpf_dump (y2); - abort (); - } - } - } - - exit (0); -} - -oo (x) - mpf_t x; -{ - mp_size_t i; - printf (" exp = %ld\n", x->_mp_exp); - printf ("size = %d\n", x->_mp_size); - for (i = ABS (x->_mp_size) - 1; i >= 0; i--) - printf ("%08lX ", x->_mp_d[i]); - printf ("\n"); - mpf_dump (x); -} |