67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* Test mpn_mullow_n mpn_mulhigh_n
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Copyright 2009 Jason Moxham
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This file is part of the MPIR Library.
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The MPIR 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
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by the Free Software Foundation; either version 2.1 of the License, or (at
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your option) any later version.
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The MPIR 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 MPIR Library; see the file COPYING.LIB. If not, write
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to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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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 "tests.h"
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#define DISP(xp,xn) do{int __t;printf("%s=",#xp);for(__t=(xn)-1;__t>=0;__t--)printf("%lX ",(xp)[__t]);printf("\n");}while(0)
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int
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main (void)
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{
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unsigned long bp, xn, n, b, zn, c;
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mp_limb_t xp[1000], yp[1000], mp[1000], lp[1000], hp[1000];
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gmp_randstate_t rands;
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int qpn, j, k, i, l, i1, k1, j1, i2, k2, j2;
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tests_start ();
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gmp_randinit_default(rands);
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for (n = 1; n < 100; n++)
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{
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for (c = 0; c < 10; c++)
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{
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mpn_randomb (xp, rands, n);
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mpn_randomb (yp, rands, n);
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mpn_mul_n (mp, xp, yp, n);
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mpn_mullow_n (lp, xp, yp, n);
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mpn_mulhigh_n (hp, xp, yp, n);
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if (mpn_cmp (mp, lp, n) != 0)
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{
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printf ("mpn_mullow_n error %ld\n", n);
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abort ();
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}
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if (mpn_cmp (mp + n, hp + n, n) != 0)
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{
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printf ("mpn_mulhigh_n error %ld\n", n);
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abort ();
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}
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}
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}
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gmp_randclear(rands);
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tests_end ();
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exit (0);
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}
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