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| \documentclass{article}
\usepackage{tikz}
\usetikzlibrary{arrows,graphs,decorations.markings}
\begin{document}
\pagestyle{empty}
% 辅助计数器
\newcounter{x}
\newcounter{y}
\begin{tikzpicture}[
yscale=.5,
xscale=1.5,
%node distance=1cm,
auto,
> = stealth,
-> /.style={thick, black},
-- /.style={thick, black},
->-/.style={decoration={
markings,
mark=at position #1 with {\arrow{>}}},
postaction={decorate}},
n/.style={
circle,
draw,
minimum size=2pt,
inner sep=0pt,
outer sep=0pt},
]
% The strategy is to create nodes with names: N-column-row -> N-列-行
%----------------------- 输入输出 -------------------------------------------------------
% 输入结点命名规则 N-0-0 ... N-0-15
% 输出结点命名规则 N-8-0 ... N-8-15
% Draw inputs
\foreach \y in {0,...,15}
\node[n,pin={[pin edge={<-}]left:$x[\y]$}]
(N-0-\y) at (0,-\y) {};
% Draw outputs \y计数 idx显示
\foreach \y / \idx in {0/0,1/8,2/4,3/12,4/2,5/10,6,7/14,
8/1,9,10/5,11/13,12/3,13/11,14/7,15}
\node[n, pin={[pin edge={->}]right:$X[\idx]$}] (N-8-\y) at (6,-\y) {};
%-------------------------- 画连接点 ---------------------------------------------------
% 0 1 2 3 4 5 6 7 8
% in o - o o - o o - o - o out
% 7个中间连接点
\foreach \y in {0,...,15}
\foreach \x / \c in {1/1, 1.5/2, 2.5/3, 3/4, 4/5, 4.5/6, 5.5/7}
\node[n] (N-\c-\y) at (\x,-\y) {};
%----------------------- 画连接线 -----------------------------------------------------
% 水平线连接
\foreach \y in {0,...,15}%行
\foreach \x in {0,2,4,6}%列
{
\setcounter{x}{\x}\stepcounter{x}
\path (N-\x-\y) edge[->-=.87] (N-\arabic{x}-\y);
}
\foreach \y in {0,...,15}%行
\foreach \x in {1,3,5,7}%列
{
\setcounter{x}{\x}\stepcounter{x}
\path (N-\x-\y) edge[->-=.5] (N-\arabic{x}-\y);
}
% 斜线连接
\foreach \sourcey / \desty in {0/8,1/9,2/10,3/11,
4/12,5/13,6/14,7/15,
8/0,9/1,10/2,11/3,
12/4,13/5,14/6,15/7}
\path (N-0-\sourcey) edge[->-=.04] (N-1-\desty);
\foreach \sourcey / \desty in {0/4,1/5,2/6,3/7,
4/0,5/1,6/2,7/3,
8/12,9/13,10/14,11/15,
12/8,13/9,14/10,15/11}
\path (N-2-\sourcey) edge[->-=.97] (N-3-\desty);
\foreach \sourcey / \desty in {0/2,1/3,2/0,3/1,
4/6,5/7,6/4,7/5,
8/10,9/11,10/8,11/9,
12/14,13/15,14/12,15/13}
\path (N-4-\sourcey) edge[->-=.95] (N-5-\desty);
\foreach \sourcey / \desty in {0/1,1/0,2/3,3/2,
4/5,5/4,6/7,7/6,
8/9,9/8,10/11,11/10,
12/13,13/12,14/15,15/14}
\path (N-6-\sourcey) edge[->-=.3] (N-7-\desty);
%----------------------- 标注旋转因子 -----------------------------------------------
% W_16
\setcounter{y}{8}
\foreach \i in {0,...,7}
{
\path (N-1-\arabic{y}) edge[->-=.5] node {\tiny $W^{\i}_{16}$} (N-2-\arabic{y});
\node[below] at (N-1-\arabic{y}.south) {\tiny -1};
\stepcounter{y}
}
% W_8
\setcounter{y}{4}
\foreach \j in {1,2}
{
\foreach \i in {0,2,4,6}
{
\path (N-3-\arabic{y}) edge[->-=.5] node {\tiny $W^{\i}_{16}$} (N-4-\arabic{y});
\node[below] at (N-3-\arabic{y}.south) {\tiny -1};
\stepcounter{y}
}
\addtocounter{y}{4}
}
% W_4
\setcounter{y}{2}
\foreach \j in {1,...,4}
{
\foreach \i in {0,4}
{
\path (N-5-\arabic{y}) edge[->-=.5] node {\tiny $W^{\i}_{16}$} (N-6-\arabic{y});
\node[below] at (N-5-\arabic{y}.south) {\tiny -1};
\stepcounter{y}
}
\addtocounter{y}{2}
}
% W_2
\setcounter{y}{1}
\foreach \j in {1,...,8}
{
\foreach \i in {0}
{
\path (N-7-\arabic{y}) edge[->-=.5] node {\tiny $W^{\i}_{16}$} (N-8-\arabic{y});
\node[below] at (N-7-\arabic{y}.south) {\tiny -1};
\stepcounter{y}
}
\addtocounter{y}{1}
}
\end{tikzpicture}
\end{document}
|
