{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Vikublað 1\n",
    "\n",
    "Nokkur hjálparföll"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import struct\n",
    "import numpy as np\n",
    "\n",
    "def myord(x):\n",
    "    #virkar fyrir python 2 og 3\n",
    "     return ord(x) if type(x) is str else x\n",
    "\n",
    "def pretty32(num):\n",
    "    s = ''.join(bin(myord(c)).replace('0b', '').rjust(8, '0') for c in struct.pack('!f', np.float32(num)))\n",
    "    print(s[0] + ' ' + s[1:9] + ' ' + s[9:] \\\n",
    "          + '\\n- -------- -----------------------'\\\n",
    "          + '\\nf        e                       m')\n",
    "\n",
    "def pretty64(num):\n",
    "    s = ''.join(bin(myord(c)).replace('0b', '').rjust(8, '0') for c in struct.pack('!d', np.float64(num)))\n",
    "    print(s[0] + ' ' + s[1:12] + ' ' + s[12:] \\\n",
    "          + '\\n- ----------- ' + '-'*52 \\\n",
    "          + '\\nf           e ' + ' '*51 + 'm')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Dæmi 1\n",
    "\n",
    "Bitaframsetning á $\\pi$"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Dæmi 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.5.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}