{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 生成编译注释"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Writing fib_orig.pyx\n"
     ]
    }
   ],
   "source": [
    "%%file fib_orig.pyx\n",
    "def fib(n):\n",
    "    a,b = 1,1\n",
    "    for i in range(n):\n",
    "        a,b = a+b, a\n",
    "    return a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "!cython -a fib_orig.pyx"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "在浏览器中打开 `fib_orig.html` 可以查看内容，`windows` 下打开网页使用："
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "!start fib_orig.html"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`linux` 下使用：\n",
    "```\n",
    "open fib_orig.html\n",
    "```\n",
    "\n",
    "其界面可能如图所示：\n",
    "![界面](fib_orig.png)\n",
    "\n",
    "点击某一行可以查看该 `Python` 代码对应的 `C` 代码。"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 2",
   "language": "python",
   "name": "python2"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.10"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}