sequence.hpp

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//=======================================================================
// 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 = double>
struct sequence_generator_op {
    using value_type = T; 

    const value_type start; 
    value_type current;     

    static constexpr bool gpu_computable = false; 

    explicit sequence_generator_op(value_type start = 0) : start(start), current(start) {}

    value_type operator()() {
        return current++;
    }

    friend std::ostream& operator<<(std::ostream& os, const sequence_generator_op& s) {
        return os << "[" << s.start << ",...]";
    }
};

} //end of namespace etl