fix weed warnings.

add compost library.

sprout/compost/sources/source.hpp

@@ -0,0 +1,80 @@
+#ifndef SPROUT_COMPOST_SOURCES_SOURCE_HPP
+#define SPROUT_COMPOST_SOURCES_SOURCE_HPP
+
+#include <cstddef>
+#include <sprout/config.hpp>
+#include <sprout/array.hpp>
+
+//
+// COMPOST_LOAD_SOURCE
+//
+#define COMPOST_LOAD_SOURCE <sprout/compost/load/source.hpp>
+
+//
+// COMPOST_SRC_VERSION
+//
+#define COMPOST_SRC_VERSION(NUM) NUM
+
+namespace sprout {
+	namespace compost {
+		namespace sources {
+			//
+			// version_type
+			//
+			typedef unsigned long version_type;
+			//
+			// info_type
+			//
+			struct info_type {
+			public:
+				std::uint16_t format_tag;		// フォーマットID
+				std::uint16_t channels;			// チャンネル数
+				std::uint32_t samples_per_sec;	// サンプリングレート
+				std::uint32_t bytes_per_sec;	// データ速度 (Byte/sec)
+				std::uint16_t block_size;		// ブロックサイズ (Byte/sample*チャンネル数)
+				std::uint16_t bits_per_sample;	// サンプルあたりのビット数 (bit/sample)
+				std::size_t size;				// 要素数
+			};
+			//
+			// sound_type
+			//
+			template<std::size_t Size, typename Elem = double>
+			struct sound_type {
+			public:
+				typedef Elem element_type;
+				typedef element_type value_type;
+				typedef std::size_t size_type;
+				SPROUT_STATIC_CONSTEXPR size_type static_size = Size;
+				typedef sprout::array<value_type, static_size> elements_type;
+			private:
+				elements_type elements_;
+			public:
+				template<typename... Elems>
+				SPROUT_CONSTEXPR sound_type(info_type const& info, Elems const&... elems)
+					: elements_{{
+						(static_cast<typename std::make_signed<Elems>::type>(elems) / static_cast<value_type>(32768.0))...
+						}}
+				{
+					static_assert(sizeof...(Elems) == static_size, "sound_type<>: unmatch source size");
+				}
+				SPROUT_CONSTEXPR value_type const&
+				operator()(size_type x) const {
+					return elements_[x];
+				}
+				SPROUT_CONSTEXPR size_type
+				size() const {
+					return static_size;
+				}
+				SPROUT_CONSTEXPR elements_type const&
+				elements() const {
+					return elements_;
+				}
+			};
+			template<std::size_t Size, typename Elem>
+			SPROUT_CONSTEXPR_OR_CONST typename sprout::compost::sources::sound_type<Size, Elem>::size_type
+			sprout::compost::sources::sound_type<Size, Elem>::static_size;
+		}	// namespace sources
+	}	// namespace compost
+}	// namespace sprout
+
+#endif	// #ifndef SPROUT_COMPOST_SOURCES_SOURCE_HPP