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/* Test that routines allow reusing a source variable as destination.
Copyright 1996, 2000-2002, 2012 Free Software Foundation, Inc.
This file is part of the GNU MP Library test suite.
The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
The GNU MP Library test suite 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 General
Public License for more details.
You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gmp-impl.h"
#include "tests.h"
#if __GMP_LIBGMP_DLL
/* FIXME: When linking to a DLL libgmp, mpf_add etc can't be used as
initializers for global variables because they're effectively global
variables (function pointers) themselves. Perhaps calling a test
function successively with mpf_add etc would be better. */
int
main (void)
{
printf ("Test suppressed for windows DLL\n");
exit (0);
}
#else /* ! DLL_EXPORT */
#ifndef SIZE
#define SIZE 16
#endif
#ifndef EXPO
#define EXPO 32
#endif
void dump_abort (const char *, mpf_t, mpf_t);
typedef void (*dss_func) (mpf_ptr, mpf_srcptr, mpf_srcptr);
dss_func dss_funcs[] =
{
mpf_div, mpf_add, mpf_mul, mpf_sub,
};
const char *dss_func_names[] =
{
"mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
};
typedef void (*dsi_func) (mpf_ptr, mpf_srcptr, unsigned long int);
dsi_func dsi_funcs[] =
{
mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
mpf_mul_2exp, mpf_div_2exp, mpf_pow_ui
};
const char *dsi_func_names[] =
{
"mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
"mpf_mul_2exp", "mpf_div_2exp", "mpf_pow_ui"
};
typedef void (*dis_func) (mpf_ptr, unsigned long int, mpf_srcptr);
dis_func dis_funcs[] =
{
mpf_ui_div, mpf_ui_sub,
};
const char *dis_func_names[] =
{
"mpf_ui_div", "mpf_ui_sub",
};
int
main (int argc, char **argv)
{
int i;
int pass, reps = 10000;
mpf_t in1, in2, out1;
unsigned long int in1i, in2i;
mpf_t res1, res2, res3;
mp_size_t bprec = 100;
tests_start ();
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 (in1);
mpf_init (in2);
mpf_init (out1);
mpf_init (res1);
mpf_init (res2);
mpf_init (res3);
for (pass = 1; pass <= reps; pass++)
{
mpf_random2 (in1, urandom () % SIZE - SIZE/2, urandom () % EXPO);
mpf_random2 (in2, urandom () % SIZE - SIZE/2, urandom () % EXPO);
for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
{
/* Don't divide by 0. */
if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
continue;
(dss_funcs[i]) (res1, in1, in2);
mpf_set (out1, in1);
(dss_funcs[i]) (out1, out1, in2);
mpf_set (res2, out1);
mpf_set (out1, in2);
(dss_funcs[i]) (out1, in1, out1);
mpf_set (res3, out1);
if (mpf_cmp (res1, res2) != 0)
dump_abort (dss_func_names[i], res1, res2);
if (mpf_cmp (res1, res3) != 0)
dump_abort (dss_func_names[i], res1, res3);
}
in2i = urandom ();
for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++)
{
unsigned long this_in2i = in2i;
/* Don't divide by 0. */
if (i == 0 && this_in2i == 0) /* dsi_funcs[i] == mpf_div_ui */
continue;
/* Avoid overflow/underflow in the exponent. */
if (dsi_funcs[i] == mpf_mul_2exp || dsi_funcs[i] == mpf_div_2exp)
this_in2i %= 0x100000;
else if (dsi_funcs[i] == mpf_pow_ui)
this_in2i %= 0x1000;
(dsi_funcs[i]) (res1, in1, this_in2i);
mpf_set (out1, in1);
(dsi_funcs[i]) (out1, out1, this_in2i);
mpf_set (res2, out1);
if (mpf_cmp (res1, res2) != 0)
dump_abort (dsi_func_names[i], res1, res2);
}
in1i = urandom ();
for (i = 0; i < sizeof (dis_funcs) / sizeof (dis_func); i++)
{
/* Don't divide by 0. */
if (i == 0 /* dis_funcs[i] == mpf_ui_div */
&& mpf_cmp_ui (in2, 0) == 0)
continue;
(dis_funcs[i]) (res1, in1i, in2);
mpf_set (out1, in2);
(dis_funcs[i]) (out1, in1i, out1);
mpf_set (res2, out1);
if (mpf_cmp (res1, res2) != 0)
dump_abort (dis_func_names[i], res1, res2);
}
}
mpf_clear (in1);
mpf_clear (in2);
mpf_clear (out1);
mpf_clear (res1);
mpf_clear (res2);
mpf_clear (res3);
tests_end ();
exit (0);
}
void
dump_abort (const char *name, mpf_t res1, mpf_t res2)
{
printf ("failure in %s:\n", name);
mpf_dump (res1);
mpf_dump (res2);
abort ();
}
#if 0
void mpf_abs (mpf_ptr, mpf_srcptr);
void mpf_sqrt (mpf_ptr, mpf_srcptr);
void mpf_neg (mpf_ptr, mpf_srcptr);
#endif
#endif /* ! DLL_EXPORT */
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