sign.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_MATH_SIGN_HPP
#define TETL_MATH_SIGN_HPP
 
namespace etl::detail {
 
template <typename T>
[[nodiscard]] constexpr auto sign(T val)
{
    if (val < 0) {
        return T(-1);
    }
    return T(1);
}
} // namespace etl::detail
 
#endif // TETL_MATH_SIGN_HPP