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/* Test sub_ddmmss.
Copyright 2004 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 "gmp-impl.h"
#include "longlong.h"
#include "tests.h"
void
check_data (void)
{
#define M MP_LIMB_T_MAX
static const struct {
mp_limb_t want_dh,want_dl, mh,ml, sh,sl;
} data[] = {
{ 0,0, 0,0, 0,0 },
{ 0,0, 0,1, 0,1 },
{ 0,0, 1,2, 1,2 },
{ 0,1, 0,2, 0,1 },
{ 0,M, 1,0, 0,1 },
{ M,M, 0,0, 0,1 },
{ M,M, 0,M-1, 0,M },
{ 0,0, 0,M-1, 0,M-1 },
{ 0,1, 0,M-1, 0,M-2 },
};
int i;
mp_limb_t got_dh, got_dl;
for (i = 0; i < numberof (data); i++)
{
sub_ddmmss (got_dh,got_dl, data[i].mh,data[i].ml, data[i].sh,data[i].sl);
if (got_dh != data[i].want_dh || got_dl != data[i].want_dl)
{
printf ("check_data wrong at data[%d]\n", i);
mp_limb_trace (" mh", data[i].mh);
mp_limb_trace (" ml", data[i].ml);
mp_limb_trace (" sh", data[i].sh);
mp_limb_trace (" sl", data[i].sl);
mp_limb_trace (" want dh", data[i].want_dh);
mp_limb_trace (" want dl", data[i].want_dl);
mp_limb_trace (" got dh ", got_dh);
mp_limb_trace (" got dl ", got_dl);
abort ();
}
}
}
void
check_random (void)
{
mp_limb_t want_dh,want_dl, got_dh,got_dl, mh,ml, sh,sl;
int i;
for (i = 0; i < 20; i++)
{
mh = urandom ();
ml = urandom ();
sh = urandom ();
sl = urandom ();
refmpn_sub_ddmmss (&want_dh,&want_dl, mh,ml, sh,sl);
sub_ddmmss (got_dh,got_dl, mh,ml, sh,sl);
if (got_dh != want_dh || got_dl != want_dl)
{
printf ("check_data wrong at data[%d]\n", i);
mp_limb_trace (" mh", mh);
mp_limb_trace (" ml", ml);
mp_limb_trace (" sh", sh);
mp_limb_trace (" sl", sl);
mp_limb_trace (" want dh", want_dh);
mp_limb_trace (" want dl", want_dl);
mp_limb_trace (" got dh ", got_dh);
mp_limb_trace (" got dl ", got_dl);
abort ();
}
}
}
int
main (void)
{
tests_start ();
mp_trace_base = -16;
check_data ();
check_random ();
tests_end ();
exit (0);
}
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