/* Test mp*_class unary expressions.

Copyright 2001, 2002, 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 http://www.gnu.org/licenses/.  */

#include "config.h"

#include <iostream>

#include "gmp.h"
#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;
}