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/* Test that routines allow reusing a source variable as destination. */
#include <stdio.h>
#include "gmp.h"
#include "gmp-impl.h"
#include "urandom.h"
#ifndef SIZE
#define SIZE 16
#endif
#ifndef EXPO
#define EXPO 32
#endif
#if __STDC__
typedef void (*dss_func) (mpf_ptr, mpf_srcptr, mpf_srcptr);
#else
typedef void (*dss_func) ();
#endif
dss_func dss_funcs[] =
{
mpf_div, mpf_add, mpf_mul, mpf_sub,
};
char *dss_func_names[] =
{
"mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
};
#if __STDC__
typedef void (*dsi_func) (mpf_ptr, mpf_srcptr, unsigned long int);
#else
typedef void (*dsi_func) ();
#endif
dsi_func dsi_funcs[] =
{
mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
};
char *dsi_func_names[] =
{
"mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
};
#if __STDC__
typedef void (*dis_func) (mpf_ptr, unsigned long int, mpf_srcptr);
#else
typedef void (*dis_func) ();
#endif
dis_func dis_funcs[] =
{
mpf_ui_div, mpf_ui_sub,
};
char *dis_func_names[] =
{
"mpf_ui_div", "mpf_ui_sub",
};
main (argc, argv)
int argc;
char **argv;
{
int i;
int pass, reps = 100000;
mpf_t in1, in2, out1;
unsigned long int in1i, in2i;
mpf_t res1, res2, res3;
mp_size_t bprec = 100;
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++)
{
/* Don't divide by 0. */
if (i == 0 && in2i == 0)
continue;
(dsi_funcs[i]) (res1, in1, in2i);
mpf_set (out1, in1);
(dsi_funcs[i]) (out1, out1, 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 && mpf_cmp_ui (in2, 0) == 0)
continue;
(dis_funcs[i]) (res1, in1i, in2);
mpf_set (out1, in2);
(dis_funcs[i]) (out1, in1i, in2);
mpf_set (res2, out1);
if (mpf_cmp (res1, res2) != 0)
dump_abort (dis_func_names[i], res1, res2);
}
}
exit (0);
}
dump_abort (name, res1, res2)
char *name;
mpf_t res1, res2;
{
printf ("failure in %s:", name);
oo (res1);
oo (res2);
abort ();
}
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);
}
#if 0
void mpf_div_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
void mpf_mul_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
void mpf_abs _PROTO ((mpf_ptr, mpf_srcptr));
void mpf_sqrt _PROTO ((mpf_ptr, mpf_srcptr));
void mpf_neg _PROTO ((mpf_ptr, mpf_srcptr));
#endif
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