e554550755
for file in $(find -name \*.h ) ; do sed -e "s/#include \"gmp\.h\"/#include \"mpir.h\"/g" $file > temp ; mv temp $file ; done for file in $(find -name \*.cc) ; do sed -e "s/#include \"gmp\.h\"/#include \"mpir.h\"/g" $file > temp ; mv temp $file ; done
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* Test mpz_mul, mpz_divexact.
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Copyright 1996, 2001, 2002 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 "tests.h"
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int
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main (int argc, char **argv)
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{
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mpz_t op1, op2;
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mpz_t prod, quot;
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mp_size_t size;
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int i;
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int reps = 20000;
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gmp_randstate_ptr rands;
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mpz_t bs;
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unsigned long bsi, size_range;
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tests_start ();
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rands = RANDS;
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mp_trace_base = -16;
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mpz_init (bs);
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if (argc == 2)
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reps = atoi (argv[1]);
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mpz_init (op1);
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mpz_init (op2);
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mpz_init (prod);
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mpz_init (quot);
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for (i = 0; i < reps; i++)
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{
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mpz_urandomb (bs, rands, 32);
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size_range = mpz_get_ui (bs) % 10 + 2; /* 0..2047 bit operands */
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mpz_urandomb (bs, rands, size_range);
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size = mpz_get_ui (bs);
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mpz_rrandomb (op1, rands, size);
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do
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{
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mpz_urandomb (bs, rands, size_range);
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size = mpz_get_ui (bs);
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mpz_rrandomb (op2, rands, size);
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}
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while (mpz_sgn (op2) == 0);
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mpz_urandomb (bs, rands, 2);
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bsi = mpz_get_ui (bs);
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if ((bsi & 1) != 0)
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mpz_neg (op1, op1);
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if ((bsi & 2) != 0)
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mpz_neg (op2, op2);
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mpz_mul (prod, op1, op2);
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mpz_divexact (quot, prod, op2);
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MPZ_CHECK_FORMAT (quot);
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if (mpz_cmp (quot, op1) != 0)
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{
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printf ("Wrong results:\n");
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mpz_trace (" got ", quot);
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mpz_trace (" want ", op1);
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mpz_trace (" dividend", prod);
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mpz_trace (" divisor ", op2);
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abort ();
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}
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}
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mpz_clear (bs);
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mpz_clear (op1);
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mpz_clear (op2);
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mpz_clear (prod);
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mpz_clear (quot);
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tests_end ();
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exit (0);
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}
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