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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_DARKROOM_MATERIALS_UNIFORM_HPP
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#define SPROUT_DARKROOM_MATERIALS_UNIFORM_HPP
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple.hpp>
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namespace sprout {
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namespace darkroom {
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namespace materials {
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//
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// uniform_element
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//
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template<typename Element>
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class uniform_element {
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public:
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typedef Element result_type;
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private:
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result_type elem_;
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public:
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explicit SPROUT_CONSTEXPR uniform_element(result_type const& elem)
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: elem_(elem)
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{}
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template<typename Unit>
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SPROUT_CONSTEXPR result_type
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operator()(Unit const&, Unit const&) const {
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return elem_;
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}
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};
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//
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// make_uniform
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//
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template<typename Element>
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inline SPROUT_CONSTEXPR sprout::darkroom::materials::uniform_element<Element>
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make_uniform(Element const& elem) {
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return sprout::darkroom::materials::uniform_element<Element>(elem);
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}
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//
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// make_uniform_material_image
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//
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template<typename... Elements>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<
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sprout::darkroom::materials::uniform_element<Elements>...
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>
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make_uniform_material_image(Elements const&... elems) {
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return sprout::tuples::make_tuple(
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sprout::darkroom::materials::make_uniform(elems)...
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);
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}
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} // namespace materials
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} // namespace darkroom
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} // namespace sprout
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#endif // #ifndef SPROUT_DARKROOM_MATERIALS_UNIFORM_HPP
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