one_if.hpp

//=======================================================================
// Copyright (c) 2014-2023 Baptiste Wicht
// Distributed under the terms of the MIT License.
// (See accompanying file LICENSE or copy at
//  http://opensource.org/licenses/MIT)
//=======================================================================

#pragma once

namespace etl {

template <typename T, typename E>
struct one_if_binary_op {
    static constexpr bool linear      = true; 
    static constexpr bool thread_safe = true; 
    static constexpr bool desc_func   = true; 

    template <vector_mode_t V>
    static constexpr bool vectorizable = false;

    template <typename L, typename R>
    static constexpr bool gpu_computable = false;

    static constexpr int complexity() {
        return 1;
    }

    static constexpr T apply(const T& x, E value) noexcept {
        return x == value ? 1.0 : 0.0;
    }

    static std::string desc() noexcept {
        return "one_if";
    }
};

} //end of namespace etl