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/* Test mpf_cmp_si and mpf_cmp_z.
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Copyright 2000, 2001, 2004, 2015 Free Software Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
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void
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check_data (void)
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{
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static const struct {
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int a_base;
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const char *a;
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const char *b;
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int want;
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} data[] = {
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{ 10, "0", "1", -1 },
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{ 10, "0", "0", 0 },
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{ 10, "0", "-1", 1 },
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{ 10, "1", "1", 0 },
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{ 10, "1", "0", 1 },
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{ 10, "1", "-1", 1 },
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{ 10, "-1", "1", -1 },
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{ 10, "-1", "0", -1 },
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{ 10, "-1", "-1", 0 },
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{ 10, "1.5", "2", -1 },
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{ 10, "1.5", "1", 1 },
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{ 10, "0.5", "1", -1 },
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{ 10, "-1.5", "-2", 1 },
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{ 10, "-1.5", "-1", -1 },
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{ 10, "-0.5", "-1", 1 },
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{ 16, "0", "-0x80000000", 1 },
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{ 16, "80000000", "-0x80000000", 1 },
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{ 16, "80000001", "-0x80000000", 1 },
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{ 16, "-80000000", "-0x80000000", 0 },
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{ 16, "-80000001", "-0x80000000", -1 },
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{ 16, "-FF0080000001", "-0x80000000", -1 },
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{ 16, "0", "-0x8000000000000000", 1 },
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{ 16, "8000000000000000", "-0x8000000000000000", 1 },
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{ 16, "8000000000000001", "-0x8000000000000000", 1 },
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{ 16, "-8000000000000000", "-0x8000000000000000", 0 },
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{ 16, "-8000000000000000.1", "-0x8000000000000000", -1 },
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{ 16, "-FF008000000000000001", "-0x8000000000000000", -1 },
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{ 16, "0", "-0x876543210FEDCBA9876543210000000", 1 },
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{ 16, "876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", 1 },
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{ 16, "876543210FEDCBA9876543210000001", "-0x876543210FEDCBA9876543210000000", 1 },
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{ 16, "-876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", 0 },
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{ 16, "-876543210FEDCBA9876543210000000.1", "-0x876543210FEDCBA9876543210000000", -1 },
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{ 16, "-FF00876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", -1 },
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};
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mpf_t a;
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mpz_t bz;
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long b;
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int got;
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int i;
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mpf_init2 (a, 128);
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mpz_init (bz);
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for (i = 0; i < numberof (data); i++)
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{
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mpf_set_str_or_abort (a, data[i].a, data[i].a_base);
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mpz_set_str_or_abort (bz, data[i].b, 0);
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if (mpz_fits_slong_p (bz))
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{
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b = mpz_get_si (bz);
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got = mpf_cmp_si (a, b);
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if (SGN (got) != data[i].want)
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{
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printf ("mpf_cmp_si wrong on data[%d]\n", i);
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printf (" a="); mpf_out_str (stdout, 10, 0, a);
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printf (" (%s)\n", data[i].a);
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printf (" b=%ld (%s)\n", b, data[i].b);
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printf (" got=%d\n", got);
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printf (" want=%d\n", data[i].want);
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abort();
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}
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}
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got = mpf_cmp_z (a, bz);
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if (SGN (got) != data[i].want)
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{
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b = mpz_get_si (bz);
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printf ("mpf_cmp_z wrong on data[%d]\n", i);
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printf (" a="); mpf_out_str (stdout, 10, 0, a);
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printf (" (%s)\n", data[i].a);
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printf (" b=%ld (%s)\n", b, data[i].b);
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printf (" got=%d\n", got);
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printf (" want=%d\n", data[i].want);
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abort();
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}
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}
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mpf_clear (a);
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mpz_clear (bz);
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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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