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/* Test mp*_class unary expressions.

Copyright 2001-2003 Free Software Foundation, Inc.

This file is part of the GNU MP Library test suite.

The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.

The GNU MP Library test suite is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
Public License for more details.

You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */

#include "config.h"

#include <iostream>

#include "gmpxx.h"
#include "gmp-impl.h"
#include "tests.h"

using namespace std;


void
check_mpz (void)
{
  // template <class T, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
  {
    mpz_class a(1);
    mpz_class b(+a); ASSERT_ALWAYS(b == 1);
  }
  {
    mpz_class a(2);
    mpz_class b;
    b = -a; ASSERT_ALWAYS(b == -2);
  }
  {
    mpz_class a(3);
    mpz_class b;
    b = ~a; ASSERT_ALWAYS(b == -4);
  }

  // template <class T, class U, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
  {
    mpz_class a(1);
    mpz_class b(-(-a)); ASSERT_ALWAYS(b == 1);
  }
  {
    mpz_class a(2);
    mpz_class b;
    b = -(-(-a)); ASSERT_ALWAYS(b == -2);
  }
}

void
check_mpq (void)
{
  // template <class T, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
  {
    mpq_class a(1);
    mpq_class b(+a); ASSERT_ALWAYS(b == 1);
  }
  {
    mpq_class a(2);
    mpq_class b;
    b = -a; ASSERT_ALWAYS(b == -2);
  }

  // template <class T, class U, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
  {
    mpq_class a(1);
    mpq_class b(-(-a)); ASSERT_ALWAYS(b == 1);
  }
  {
    mpq_class a(2);
    mpq_class b;
    b = -(-(-a)); ASSERT_ALWAYS(b == -2);
  }
}

void
check_mpf (void)
{
  // template <class T, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, T>, Op> >
  {
    mpf_class a(1);
    mpf_class b(+a); ASSERT_ALWAYS(b == 1);
  }
  {
    mpf_class a(2);
    mpf_class b;
    b = -a; ASSERT_ALWAYS(b == -2);
  }

  // template <class T, class U, class Op>
  // __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, Op> >
  {
    mpf_class a(1);
    mpf_class b(-(-a)); ASSERT_ALWAYS(b == 1);
  }
  {
    mpf_class a(2);
    mpf_class b;
    b = -(-(-a)); ASSERT_ALWAYS(b == -2);
  }
}


int
main (void)
{
  tests_start();

  check_mpz();
  check_mpq();
  check_mpf();

  tests_end();
  return 0;
}