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// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
// any later version.
//
// This library 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 this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// expensive: * [1-9] * *
#include "bits/verify.h"
#include "bits/metahelpers.h"
template <typename V>
void
test()
{
using M = typename V::mask_type;
static_assert(std::is_convertible<typename M::reference, bool>::value,
"A smart_reference<simd_mask> must be convertible to bool.");
static_assert(
std::is_same<bool, decltype(std::declval<const typename M::reference&>()
== true)>::value,
"A smart_reference<simd_mask> must be comparable against bool.");
static_assert(
vir::test::sfinae_is_callable<typename M::reference&&, bool>(
[](auto&& a, auto&& b) -> decltype(std::declval<decltype(a)>()
== std::declval<decltype(b)>()) {
return {};
}),
"A smart_reference<simd_mask> must be comparable against bool.");
VERIFY(std::experimental::is_simd_mask_v<M>);
{
M x; // uninitialized
x = M{}; // default broadcasts 0
COMPARE(x, M(false));
COMPARE(x, M());
COMPARE(x, M{});
x = M(); // default broadcasts 0
COMPARE(x, M(false));
COMPARE(x, M());
COMPARE(x, M{});
x = x;
for (std::size_t i = 0; i < M::size(); ++i)
{
COMPARE(x[i], false);
}
}
M x(true);
M y(false);
for (std::size_t i = 0; i < M::size(); ++i)
{
COMPARE(x[i], true);
COMPARE(y[i], false);
}
y = M(true);
COMPARE(x, y);
}
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