122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/* Test sub_ddmmss.
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Copyright 2004 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "mpir.h"
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#include "gmp-impl.h"
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#include "longlong.h"
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#include "tests.h"
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void
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check_data (void)
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{
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#define M MP_LIMB_T_MAX
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static const struct {
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mp_limb_t want_dh,want_dl, mh,ml, sh,sl;
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} data[] = {
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{ 0,0, 0,0, 0,0 },
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{ 0,0, 0,1, 0,1 },
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{ 0,0, 1,2, 1,2 },
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{ 0,1, 0,2, 0,1 },
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{ 0,M, 1,0, 0,1 },
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{ M,M, 0,0, 0,1 },
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{ M,M, 0,M-1, 0,M },
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{ 0,0, 0,M-1, 0,M-1 },
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{ 0,1, 0,M-1, 0,M-2 },
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};
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int i;
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mp_limb_t got_dh, got_dl;
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for (i = 0; i < numberof (data); i++)
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{
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sub_ddmmss (got_dh,got_dl, data[i].mh,data[i].ml, data[i].sh,data[i].sl);
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if (got_dh != data[i].want_dh || got_dl != data[i].want_dl)
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{
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printf ("check_data wrong at data[%d]\n", i);
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mp_limb_trace (" mh", data[i].mh);
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mp_limb_trace (" ml", data[i].ml);
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mp_limb_trace (" sh", data[i].sh);
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mp_limb_trace (" sl", data[i].sl);
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mp_limb_trace (" want dh", data[i].want_dh);
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mp_limb_trace (" want dl", data[i].want_dl);
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mp_limb_trace (" got dh ", got_dh);
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mp_limb_trace (" got dl ", got_dl);
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abort ();
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}
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}
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}
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void
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check_random (void)
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{
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mp_limb_t want_dh,want_dl, got_dh,got_dl, mh,ml, sh,sl;
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int i;
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gmp_randstate_t rands;
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gmp_randinit_default(rands);
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for (i = 0; i < 20; i++)
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{
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mh = urandom (rands);
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ml = urandom (rands);
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sh = urandom (rands);
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sl = urandom (rands);
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refmpn_sub_ddmmss (&want_dh,&want_dl, mh,ml, sh,sl);
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sub_ddmmss (got_dh,got_dl, mh,ml, sh,sl);
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if (got_dh != want_dh || got_dl != want_dl)
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{
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printf ("check_data wrong at data[%d]\n", i);
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mp_limb_trace (" mh", mh);
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mp_limb_trace (" ml", ml);
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mp_limb_trace (" sh", sh);
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mp_limb_trace (" sl", sl);
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mp_limb_trace (" want dh", want_dh);
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mp_limb_trace (" want dl", want_dl);
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mp_limb_trace (" got dh ", got_dh);
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mp_limb_trace (" got dl ", got_dl);
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abort ();
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}
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}
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gmp_randclear(rands);
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}
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int
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main (void)
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{
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tests_start ();
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mp_trace_base = -16;
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check_data ();
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check_random ();
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tests_end ();
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exit (0);
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}
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