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This log only documents changes between stable versions.

From 1.2 on, odd minor version numbers (1.3, 1.5, 1.7,..) are assigned to the
fresh git snapshots while stable versions will have even minor numbers.

1.2 -> 1.2.1:
* Fixed yy/pp bug when yanking multiple directories

1.1.2 -> 1.2:
* !!! Changed the default configuration directory to ~/.config/ranger !!!
* Removed "Console Modes", each old mode is now a simple command
* Disabled file previews by default if ranger is used by root
* Allow to jump to specific help sections by typing two numbers, e.g. 13?
* Added keys: da, dr, ya, yr for adding and removing files from copy buffer
* Added keys: gl and gL to resolve links, see 11?
* Added key: pL to create a relative symlink
* Added %<LETTER> and %<N><LETTER> macros for the console, see 33?
* Fixed ansi codes for colors in the pager
* Use the file ~/.mime.types for mime type detection
* Several clean-ups and fixes

1.1.1 -> 1.1.2:
* Fix crash when using scrollwheel to scroll down in some cases
* The command "ranger dir1 dir2 ..." opens multiple directories in tabs
* Removed pydoc html documentation by default, re-create it with "make doc"
* Minor fixes

1.1.0 -> 1.1.1:
* New install script, "setup.py"
* New flag for running programs: "w" (waits for enter press)
* Minor fixes

1.0.4 -> 1.1.0:
* Added a man page
* Tab support
* Improved directory loading performance
* Commands are definable in ~/.ranger/commands.py
* Case insensitive sorting (type zs)
* Better UTF support
* Possibility to turn off previews (zp and zP)
* Changing options with :set (e.g. :set column_ratios=1,2,3,4)
* Ask for confirmation when using :delete
* New invocation flag: --fail-unless-cd
* New hotkeys, commands, options.
* New syntax for ~/.ranger/keys.py
* Several user contributions
* And tons of general improvements

NOTE: The syntax for configuration is still subject to change.
Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - mandelbrot.mu</title>
<meta name="Generator" content="Vim/8.1">
<meta name="plugin-version" content="vim8.1_v1">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-dark">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #a8a8a8; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #a8a8a8; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.PreProc { color: #c000c0; }
.Special { color: #ff6060; }
.LineNr { }
.Constant { color: #008787; }
.Delimiter { color: #c000c0; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muComment { color: #005faf; }
-->
</style>

<script type='text/javascript'>
<!--

/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
  var lineNum;
  lineNum = window.location.hash;
  lineNum = lineNum.substr(1); /* strip off '#' */

  if (lineNum.indexOf('L') == -1) {
    lineNum = 'L'+lineNum;
  }
  var lineElem = document.getElementById(lineNum);
  /* Always jump to new location even if the line was hidden inside a fold, or
   * we corrected the raw number to a line ID.
   */
  if (lineElem) {
    lineElem.scrollIntoView(true);
  }
  return true;
}
if ('onhashchange' in window) {
  window.onhashchange = JumpToLine;
}

-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/main/mandelbrot.mu'>https://github.com/akkartik/mu/blob/main/mandelbrot.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="muComment"># Mandelbrot set</span>
<span id="L2" class="LineNr">  2 </span><span class="muComment">#</span>
<span id="L3" class="LineNr">  3 </span><span class="muComment"># Install:</span>
<span id="L4" class="LineNr">  4 </span><span class="muComment">#   $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a></span>
<span id="L5" class="LineNr">  5 </span><span class="muComment">#   $ cd mu</span>
<span id="L6" class="LineNr">  6 </span><span class="muComment"># Build on Linux:</span>
<span id="L7" class="LineNr">  7 </span><span class="muComment">#   $ ./translate mandelbrot.mu</span>
<span id="L8" class="LineNr">  8 </span><span class="muComment"># Build on other platforms (slow):</span>
<span id="L9" class="LineNr">  9 </span><span class="muComment">#   $ ./translate_emulated mandelbrot.mu</span>
<span id="L10" class="LineNr"> 10 </span><span class="muComment"># Run:</span>
<span id="L11" class="LineNr"> 11 </span><span class="muComment">#   $ qemu-system-i386 code.img</span>
<span id="L12" class="LineNr"> 12 </span>
<span id="L13" class="LineNr"> 13 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L13'>main</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span>
<span id="L14" class="LineNr"> 14 </span>  <span class="muComment"># Initially the viewport is centered at 0, 0 in the scene.</span>
<span id="L15" class="LineNr"> 15 </span>  <span class="PreProc">var</span> zero: float
<span id="L16" class="LineNr"> 16 </span>  <span class="PreProc">var</span> scene-cx/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy zero
<span id="L17" class="LineNr"> 17 </span>  <span class="PreProc">var</span> scene-cy/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> copy zero
<span id="L18" class="LineNr"> 18 </span>  <span class="muComment"># Initially the viewport shows a section of the scene 4 units wide.</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="muComment"># scene-width-scale = 0.5</span>
<span id="L20" class="LineNr"> 20 </span>  <span class="PreProc">var</span> scene-width-scale: float
<span id="L21" class="LineNr"> 21 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> address scene-width-scale
<span id="L22" class="LineNr"> 22 </span>  <a href='408float.mu.html#L3'>fill-in-rational</a> dest, <span class="Constant">1</span>, <span class="Constant">2</span>
<span id="L23" class="LineNr"> 23 </span>  <span class="muComment"># scene-width = 4</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="PreProc">var</span> four: float
<span id="L25" class="LineNr"> 25 </span>  <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> address four
<span id="L26" class="LineNr"> 26 </span>  <a href='408float.mu.html#L3'>fill-in-rational</a> dest, <span class="Constant">4</span>, <span class="Constant">1</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="PreProc">var</span> scene-width/<span class="Constant">xmm3</span>: float <span class="Special">&lt;-</span> copy four
<span id="L28" class="LineNr"> 28 </span>  <span class="Delimiter">{</span>
<span id="L29" class="LineNr"> 29 </span>    <a href='mandelbrot.mu.html#L41'>mandelbrot</a> <a href='500fake-screen.mu.html#L14'>screen</a> scene-cx, scene-cy, scene-width
<span id="L30" class="LineNr"> 30 </span>    <span class="muComment"># move the center some % of the current screen-width</span>
<span id="L31" class="LineNr"> 31 </span>    <span class="PreProc">var</span> adj/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> <a href='408float.mu.html#L18'>rational</a> <span class="Constant">2</span>, <span class="Constant">0x1c</span>/<span class="Constant">28</span>
<span id="L32" class="LineNr"> 32 </span>    adj <span class="Special">&lt;-</span> multiply scene-width
<span id="L33" class="LineNr"> 33 </span>    scene-cx <span class="Special">&lt;-</span> subtract adj
<span id="L34" class="LineNr"> 34 </span>    scene-cy <span class="Special">&lt;-</span> add adj
<span id="L35" class="LineNr"> 35 </span>    <span class="muComment"># slowly shrink the scene width to zoom in</span>
<span id="L36" class="LineNr"> 36 </span>    scene-width <span class="Special">&lt;-</span> multiply scene-width-scale
<span id="L37" class="LineNr"> 37 </span>    <span class="PreProc">loop</span>
<span id="L38" class="LineNr"> 38 </span>  <span class="Delimiter">}</span>
<span id="L39" class="LineNr"> 39 </span><span class="Delimiter">}</span>
<span id="L40" class="LineNr"> 40 </span>
<span id="L41" class="LineNr"> 41 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L41'>mandelbrot</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), scene-cx: float, scene-cy: float, scene-width: float <span class="Delimiter">{</span>
<span id="L42" class="LineNr"> 42 </span>  <span class="PreProc">var</span> a/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L43" class="LineNr"> 43 </span>  <span class="PreProc">var</span> b/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L44" class="LineNr"> 44 </span>  a, b <span class="Special">&lt;-</span> <a href='500fake-screen.mu.html#L70'>screen-size</a> <a href='500fake-screen.mu.html#L14'>screen</a>
<span id="L45" class="LineNr"> 45 </span>  <span class="PreProc">var</span> width/<span class="Constant">esi</span>: int <span class="Special">&lt;-</span> copy a
<span id="L46" class="LineNr"> 46 </span>  width <span class="Special">&lt;-</span> shift-left <span class="Constant">3</span>/log2-font-width
<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> height/<span class="Constant">edi</span>: int <span class="Special">&lt;-</span> copy b
<span id="L48" class="LineNr"> 48 </span>  height <span class="Special">&lt;-</span> shift-left <span class="Constant">4</span>/log2-font-height
<span id="L49" class="LineNr"> 49 </span>  <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L50" class="LineNr"> 50 </span>  <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span>    compare y, height
<span id="L52" class="LineNr"> 52 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L53" class="LineNr"> 53 </span>    <span class="PreProc">var</span> imaginary/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L157'>viewport-to-imaginary</a> y, width, height, scene-cy, scene-width
<span id="L54" class="LineNr"> 54 </span>    <span class="PreProc">var</span> x/<span class="Constant">ebx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L55" class="LineNr"> 55 </span>    <span class="Delimiter">{</span>
<span id="L56" class="LineNr"> 56 </span>      compare x, width
<span id="L57" class="LineNr"> 57 </span>      <span class="PreProc">break-if-&gt;=</span>
<span id="L58" class="LineNr"> 58 </span>      <span class="PreProc">var</span> real/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L138'>viewport-to-real</a> x, width, scene-cx, scene-width
<span id="L59" class="LineNr"> 59 </span>      <span class="PreProc">var</span> iterations/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L73'>mandelbrot-iterations-for-point</a> real, imaginary, <span class="Constant">0x400</span>/max
<span id="L60" class="LineNr"> 60 </span>      iterations <span class="Special">&lt;-</span> shift-right <span class="Constant">3</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="PreProc">var</span> color/<span class="Constant">edx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L62" class="LineNr"> 62 </span>      iterations, color <span class="Special">&lt;-</span> <a href='314divide.subx.html#L3'>integer-divide</a> iterations, <span class="Constant">0x18</span>/<span class="Constant">24</span>/size-of-cycle-0
<span id="L63" class="LineNr"> 63 </span>      color <span class="Special">&lt;-</span> add <span class="Constant">0x20</span>/cycle-0
<span id="L64" class="LineNr"> 64 </span>      <a href='500fake-screen.mu.html#L463'>pixel</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y, color
<span id="L65" class="LineNr"> 65 </span>      x <span class="Special">&lt;-</span> increment
<span id="L66" class="LineNr"> 66 </span>      <span class="PreProc">loop</span>
<span id="L67" class="LineNr"> 67 </span>    <span class="Delimiter">}</span>
<span id="L68" class="LineNr"> 68 </span>    y <span class="Special">&lt;-</span> increment
<span id="L69" class="LineNr"> 69 </span>    <span class="PreProc">loop</span>
<span id="L70" class="LineNr"> 70 </span>  <span class="Delimiter">}</span>
<span id="L71" class="LineNr"> 71 </span><span class="Delimiter">}</span>
<span id="L72" class="LineNr"> 72 </span>
<span id="L73" class="LineNr"> 73 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L73'>mandelbrot-iterations-for-point</a></span> real: float, imaginary: float, max: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L74" class="LineNr"> 74 </span>  <span class="PreProc">var</span> zero: float
<span id="L75" class="LineNr"> 75 </span>  <span class="PreProc">var</span> x/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy zero
<span id="L76" class="LineNr"> 76 </span>  <span class="PreProc">var</span> y/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy zero
<span id="L77" class="LineNr"> 77 </span>  <span class="PreProc">var</span> iterations/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span>
<span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">{</span>
<span id="L79" class="LineNr"> 79 </span>    <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L94'>mandelbrot-done?</a> x, y
<span id="L80" class="LineNr"> 80 </span>    compare done?, <span class="Constant">0</span>/false
<span id="L81" class="LineNr"> 81 </span>    <span class="PreProc">break-if-!=</span>
<span id="L82" class="LineNr"> 82 </span>    compare iterations, max
<span id="L83" class="LineNr"> 83 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L84" class="LineNr"> 84 </span>    <span class="PreProc">var</span> newx/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L112'>mandelbrot-x</a> x, y, real
<span id="L85" class="LineNr"> 85 </span>    <span class="PreProc">var</span> newy/<span class="Constant">xmm3</span>: float <span class="Special">&lt;-</span> <a href='mandelbrot.mu.html#L124'>mandelbrot-y</a> x, y, imaginary
<span id="L86" class="LineNr"> 86 </span>    x <span class="Special">&lt;-</span> copy newx
<span id="L87" class="LineNr"> 87 </span>    y <span class="Special">&lt;-</span> copy newy
<span id="L88" class="LineNr"> 88 </span>    iterations <span class="Special">&lt;-</span> increment
<span id="L89" class="LineNr"> 89 </span>    <span class="PreProc">loop</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Delimiter">}</span>
<span id="L91" class="LineNr"> 91 </span>  <span class="PreProc">return</span> iterations
<span id="L92" class="LineNr"> 92 </span><span class="Delimiter">}</span>
<span id="L93" class="LineNr"> 93 </span>
<span id="L94" class="LineNr"> 94 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L94'>mandelbrot-done?</a></span> x: float, y: float<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L95" class="LineNr"> 95 </span>  <span class="muComment"># x*x + y*y &gt; 4</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy x
<span id="L97" class="LineNr"> 97 </span>  x2 <span class="Special">&lt;-</span> multiply x
<span id="L98" class="LineNr"> 98 </span>  <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy y
<span id="L99" class="LineNr"> 99 </span>  y2 <span class="Special">&lt;-</span> multiply y
<span id="L100" class="LineNr">100 </span>  <span class="PreProc">var</span> sum/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy x2
<span id="L101" class="LineNr">101 </span>  sum <span class="Special">&lt;-</span> add y2
<span id="L102" class="LineNr">102 </span>  <span class="PreProc">var</span> four/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">4</span>
<span id="L103" class="LineNr">103 </span>  <span class="PreProc">var</span> four-f/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> convert four
<span id="L104" class="LineNr">104 </span>  compare sum, four-f
<span id="L105" class="LineNr">105 </span>  <span class="Delimiter">{</span>
<span id="L106" class="LineNr">106 </span>    <span class="PreProc">break-if-float&gt;</span>
<span id="L107" class="LineNr">107 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L108" class="LineNr">108 </span>  <span class="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>/true
<span id="L110" class="LineNr">110 </span><span class="Delimiter">}</span>
<span id="L111" class="LineNr">111 </span>
<span id="L112" class="LineNr">112 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L112'>mandelbrot-x</a></span> x: float, y: float, real: float<span class="PreProc"> -&gt; </span>_/<span class="Constant">xmm2</span>: float <span class="Delimiter">{</span>
<span id="L113" class="LineNr">113 </span>  <span class="muComment"># x*x - y*y + real</span>
<span id="L114" class="LineNr">114 </span>  <span class="PreProc">var</span> x2/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy x
<span id="L115" class="LineNr">115 </span>  x2 <span class="Special">&lt;-</span> multiply x
<span id="L116" class="LineNr">116 </span>  <span class="PreProc">var</span> y2/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy y
<span id="L117" class="LineNr">117 </span>  y2 <span class="Special">&lt;-</span> multiply y
<span id="L118" class="LineNr">118 </span>  <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy x2
<span id="L119" class="LineNr">119 </span>  result <span class="Special">&lt;-</span> subtract y2
<span id="L120" class="LineNr">120 </span>  result <span class="Special">&lt;-</span> add real
<span id="L121" class="LineNr">121 </span>  <span class="PreProc">return</span> result
<span id="L122" class="LineNr">122 </span><span class="Delimiter">}</span>
<span id="L123" class="LineNr">123 </span>
<span id="L124" class="LineNr">124 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L124'>mandelbrot-y</a></span> x: float, y: float, imaginary: float<span class="PreProc"> -&gt; </span>_/<span class="Constant">xmm3</span>: float <span class="Delimiter">{</span>
<span id="L125" class="LineNr">125 </span>  <span class="muComment"># 2*x*y + imaginary</span>
<span id="L126" class="LineNr">126 </span>  <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">2</span>
<span id="L127" class="LineNr">127 </span>  <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert two
<span id="L128" class="LineNr">128 </span>  result <span class="Special">&lt;-</span> multiply x
<span id="L129" class="LineNr">129 </span>  result <span class="Special">&lt;-</span> multiply y
<span id="L130" class="LineNr">130 </span>  result <span class="Special">&lt;-</span> add imaginary
<span id="L131" class="LineNr">131 </span>  <span class="PreProc">return</span> result
<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
<span id="L133" class="LineNr">133 </span>
<span id="L134" class="LineNr">134 </span><span class="muComment"># Scale (x, y) pixel coordinates to a complex plane where the viewport width</span>
<span id="L135" class="LineNr">135 </span><span class="muComment"># ranges from -2 to +2. Viewport height just follows the viewport's aspect</span>
<span id="L136" class="LineNr">136 </span><span class="muComment"># ratio.</span>
<span id="L137" class="LineNr">137 </span>
<span id="L138" class="LineNr">138 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L138'>viewport-to-real</a></span> x: int, width: int, scene-cx: float, scene-width: float<span class="PreProc"> -&gt; </span>_/<span class="Constant">xmm0</span>: float <span class="Delimiter">{</span>
<span id="L139" class="LineNr">139 </span>  <span class="muComment"># 0 in the viewport       goes to scene-cx - scene-width/2 </span>
<span id="L140" class="LineNr">140 </span>  <span class="muComment"># width in the viewport   goes to scene-cx + scene-width/2</span>
<span id="L141" class="LineNr">141 </span>  <span class="muComment"># Therefore:</span>
<span id="L142" class="LineNr">142 </span>  <span class="muComment"># x in the viewport       goes to (scene-cx - scene-width/2) + x*scene-width/width</span>
<span id="L143" class="LineNr">143 </span>  <span class="muComment"># At most two numbers being multiplied before a divide, so no risk of overflow.</span>
<span id="L144" class="LineNr">144 </span>  <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert x
<span id="L145" class="LineNr">145 </span>  result <span class="Special">&lt;-</span> multiply scene-width
<span id="L146" class="LineNr">146 </span>  <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> convert width
<span id="L147" class="LineNr">147 </span>  result <span class="Special">&lt;-</span> divide width-f
<span id="L148" class="LineNr">148 </span>  result <span class="Special">&lt;-</span> add scene-cx
<span id="L149" class="LineNr">149 </span>  <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">2</span>
<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> convert two
<span id="L151" class="LineNr">151 </span>  <span class="PreProc">var</span> half-scene-width/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy scene-width
<span id="L152" class="LineNr">152 </span>  half-scene-width <span class="Special">&lt;-</span> divide two-f
<span id="L153" class="LineNr">153 </span>  result <span class="Special">&lt;-</span> subtract half-scene-width
<span id="L154" class="LineNr">154 </span>  <span class="PreProc">return</span> result
<span id="L155" class="LineNr">155 </span><span class="Delimiter">}</span>
<span id="L156" class="LineNr">156 </span>
<span id="L157" class="LineNr">157 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='mandelbrot.mu.html#L157'>viewport-to-imaginary</a></span> y: int, width: int, height: int, scene-cy: float, scene-width: float<span class="PreProc"> -&gt; </span>_/<span class="Constant">xmm1</span>: float <span class="Delimiter">{</span>
<span id="L158" class="LineNr">158 </span>  <span class="muComment"># 0 in the viewport       goes to scene-cy - scene-width/2*height/width</span>
<span id="L159" class="LineNr">159 </span>  <span class="muComment"># height in the viewport  goes to scene-cy + scene-width/2*height/width</span>
<span id="L160" class="LineNr">160 </span>  <span class="muComment"># Therefore:</span>
<span id="L161" class="LineNr">161 </span>  <span class="muComment"># y in the viewport       goes to (scene-cy - scene-width/2*height/width) + y*scene-width/width</span>
<span id="L162" class="LineNr">162 </span>  <span class="muComment">#  scene-cy - scene-width/width * (height/2 + y)</span>
<span id="L163" class="LineNr">163 </span>  <span class="muComment"># At most two numbers being multiplied before a divide, so no risk of overflow.</span>
<span id="L164" class="LineNr">164 </span>  <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert y
<span id="L165" class="LineNr">165 </span>  result <span class="Special">&lt;-</span> multiply scene-width
<span id="L166" class="LineNr">166 </span>  <span class="PreProc">var</span> width-f/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> convert width
<span id="L167" class="LineNr">167 </span>  result <span class="Special">&lt;-</span> divide width-f
<span id="L168" class="LineNr">168 </span>  result <span class="Special">&lt;-</span> add scene-cy
<span id="L169" class="LineNr">169 </span>  <span class="PreProc">var</span> two/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">2</span>
<span id="L170" class="LineNr">170 </span>  <span class="PreProc">var</span> two-f/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> convert two
<span id="L171" class="LineNr">171 </span>  <span class="PreProc">var</span> second-term/<span class="Constant">xmm1</span>: float <span class="Special">&lt;-</span> copy scene-width
<span id="L172" class="LineNr">172 </span>  second-term <span class="Special">&lt;-</span> divide two-f
<span id="L173" class="LineNr">173 </span>  <span class="PreProc">var</span> height-f/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> convert height
<span id="L174" class="LineNr">174 </span>  second-term <span class="Special">&lt;-</span> multiply height-f
<span id="L175" class="LineNr">175 </span>  <span class="PreProc">var</span> width-f/<span class="Constant">xmm2</span>: float <span class="Special">&lt;-</span> convert width
<span id="L176" class="LineNr">176 </span>  second-term <span class="Special">&lt;-</span> divide width-f
<span id="L177" class="LineNr">177 </span>  result <span class="Special">&lt;-</span> subtract second-term
<span id="L178" class="LineNr">178 </span>  <span class="PreProc">return</span> result
<span id="L179" class="LineNr">179 </span><span class="Delimiter">}</span>
</pre>
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