primitive_array.hpp

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// Copyright 2024 Man Group Operations Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or mplied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include "sparrow/layout/primitive_array_impl.hpp"
#include "sparrow/types/data_type.hpp"
 
namespace sparrow
{
    template <typename T>
    concept primitive_type = std::is_arithmetic_v<T> || std::is_same_v<T, float16_t> || std::is_same_v<T, bool>;
 
    namespace detail
    {
        template <primitive_type T>
        struct primitive_data_traits<T>
        {
            // Using data_type_from_size instead of specializing primitive_data_traits
            // for all integers and floating point types nicely handles platforms
            // where std::size_t or unsigned long are not the same as fixed width
            // integer types.
            static constexpr sparrow::data_type type_id = sparrow::data_type_from_size<T>();
        };
 
        template <>
        struct primitive_data_traits<bool>
        {
            static constexpr sparrow::data_type type_id = sparrow::data_type::BOOL;
        };
    }

    template <primitive_type T, typename Ext = empty_extension, trivial_copyable_type T2 = T>
    using primitive_array = primitive_array_impl<T, Ext, T2>;
 
    template <class T>
    struct is_primitive_array : std::false_type
    {
    };
 
    template <class T, typename Ext, trivial_copyable_type T2>
    struct is_primitive_array<primitive_array<T, Ext, T2>> : std::true_type
    {
    };

    template <class T>
    constexpr bool is_primitive_array_v = is_primitive_array<T>::value;
}