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// Copyright (C) 2020-2022 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"
enum unscoped_enum
{ foo };
enum class scoped_enum
{ bar };
struct convertible
{
operator int();
operator float();
};
template <typename V>
void
test()
{
using T = typename V::value_type;
VERIFY(std::experimental::is_simd_v<V>);
VERIFY(std::experimental::is_abi_tag_v<typename V::abi_type>);
{
V x; // not initialized
x = V{}; // default broadcasts 0
COMPARE(x, V(0));
COMPARE(x, V());
COMPARE(x, V{});
x = V(); // default broadcasts 0
COMPARE(x, V(0));
COMPARE(x, V());
COMPARE(x, V{});
x = 0;
COMPARE(x, V(0));
COMPARE(x, V());
COMPARE(x, V{});
for (std::size_t i = 0; i < V::size(); ++i)
{
COMPARE(T(x[i]), T(0)) << "i = " << i;
COMPARE(x[i], T(0)) << "i = " << i;
}
}
V x = 3;
V y = T(0);
for (std::size_t i = 0; i < V::size(); ++i)
{
COMPARE(x[i], T(3)) << "i = " << i;
COMPARE(y[i], T(0)) << "i = " << i;
}
y = 3;
COMPARE(x, y);
VERIFY(!(is_substitution_failure<V&, unscoped_enum, assignment>) );
VERIFY((is_substitution_failure<V&, scoped_enum, assignment>) );
COMPARE((is_substitution_failure<V&, convertible, assignment>),
(!std::is_convertible<convertible, T>::value));
COMPARE((is_substitution_failure<V&, long double, assignment>),
(sizeof(long double) > sizeof(T) || std::is_integral<T>::value));
COMPARE((is_substitution_failure<V&, double, assignment>),
(sizeof(double) > sizeof(T) || std::is_integral<T>::value));
COMPARE((is_substitution_failure<V&, float, assignment>),
(sizeof(float) > sizeof(T) || std::is_integral<T>::value));
COMPARE((is_substitution_failure<V&, long long, assignment>),
(has_less_bits<T, long long>() || std::is_unsigned<T>::value));
COMPARE((is_substitution_failure<V&, unsigned long long, assignment>),
(has_less_bits<T, unsigned long long>()));
COMPARE((is_substitution_failure<V&, long, assignment>),
(has_less_bits<T, long>() || std::is_unsigned<T>::value));
COMPARE((is_substitution_failure<V&, unsigned long, assignment>),
(has_less_bits<T, unsigned long>()));
// int broadcast *always* works:
VERIFY(!(is_substitution_failure<V&, int, assignment>) );
// uint broadcast works for any unsigned T:
COMPARE((is_substitution_failure<V&, unsigned int, assignment>),
(!std::is_unsigned<T>::value && has_less_bits<T, unsigned int>()));
COMPARE((is_substitution_failure<V&, short, assignment>),
(has_less_bits<T, short>() || std::is_unsigned<T>::value));
COMPARE((is_substitution_failure<V&, unsigned short, assignment>),
(has_less_bits<T, unsigned short>()));
COMPARE((is_substitution_failure<V&, signed char, assignment>),
(has_less_bits<T, signed char>() || std::is_unsigned<T>::value));
COMPARE((is_substitution_failure<V&, unsigned char, assignment>),
(has_less_bits<T, unsigned char>()));
}
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