129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
/*
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Test mpz_get_ux (not much use but perhaps better than nothing)
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Copyright 2011, Brian Gladman
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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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#if defined( _MSC_VER )
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# if _MSC_VER < 1600
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# define SKIP_TEST
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# else
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# include <stdint.h>
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# endif
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#else
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# include "config.h"
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# ifdef HAVE_STDINT_H
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# include <stdint.h>
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# else
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# define SKIP_TEST
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# endif
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#endif
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#ifdef SKIP_TEST
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int
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main (void)
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{
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printf ("(u)intmax_t not available - test skipped\n");
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exit (0);
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}
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#else
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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 NLIMBS ((8 * SIZEOF_UINTMAX_T + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS)
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static const uintmax_t val[] =
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{
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0, 1, 0xff,
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#if SIZEOF_UINTMAX_T >= 2
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0x0100, 0x0101, 0xffff,
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#endif
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#if SIZEOF_UINTMAX_T >= 4
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0x10000, 0x10001, 0xffffffff,
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#endif
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#if SIZEOF_UINTMAX_T >= 8
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0x100000000, 0x100000001, 0xffffffffffffffff,
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#endif
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UINTMAX_MAX
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};
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void
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check_data (void)
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{ unsigned int i;
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mpz_t z;
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mpz_init(z);
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for( i = 0 ; i < sizeof(val) / sizeof(uintmax_t) ; ++i )
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{
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uintmax_t k = 0, n;
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mpz_set_ux(z, val[i]);
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n = mpz_get_ux(z);
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#if NLIMBS == 1
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if(n && n != z->_mp_d[k++])
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{
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printf("mpz_get_ux() failed for data on item %d\n", i);
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abort();
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}
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#else
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while(n)
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{
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if((n & GMP_NUMB_MASK) != z->_mp_d[k++])
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{
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printf("mpz_get_ux() failed for data on item %d\n", i);
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abort();
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}
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n >>= GMP_NUMB_BITS;
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}
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#endif
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if(z->_mp_size != k)
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{
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printf("mpz_get_ux() failed for length on item %d (mpz size: %d, size: %d)\n", i, z->_mp_size, k);
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abort();
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}
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if(z->_mp_alloc < k)
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{
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printf("mpz_get_ux() failed for allocation on item %d (mpz alloc: %d, size: %d)\n", i, z->_mp_alloc, k);
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abort();
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}
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}
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mpz_clear(z);
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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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check_data ();
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tests_end ();
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exit (0);
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}
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#endif
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