 		resetLazy(src._rows, src._columns)
 	}
 
-	// MARK: プロパティ
+	// MARK: - プロパティ
 
 	public var capacity: Int {
 		return _capacity

		self.init(src._rows, src._columns)
	}

	public init(referenceOf src: FloatBuffer, startRow: Int, startColumn: Int, rows: Int, columns: Int) {
		assert(startRow < src._rows)
		assert(startColumn < src._columns)
		assert(startRow * src._columns + startColumn + rows * columns <= src._capacity)
		
		_rows = rows;
		_columns = columns
		_capacity = rows * columns
		
		_allocationSize = 0
		_buffer = src._buffer + (startRow * src._columns + startColumn)
	}

	public convenience init(referenceOf src: FloatBuffer, rowIndex: Int) {

		}
	}

	// MARK: - 基本機能
	
	public func fillZero() {
		_FloatBuffer_FillZero(_buffer, Int32(_capacity))
