HCoop / hcoop / debian / mlton.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f918cf1 CE |
1 | <!DOCTYPE html>\r |
| 2 | <html lang="en">\r | |
| 3 | <head>\r | |
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">\r | |
| 5 | <meta name="generator" content="AsciiDoc 8.6.9">\r | |
| 6 | <title>MLtonVector</title>\r | |
| 7 | <link rel="stylesheet" href="./asciidoc.css" type="text/css">\r | |
| 8 | <link rel="stylesheet" href="./pygments.css" type="text/css">\r | |
| 9 | \r | |
| 10 | \r | |
| 11 | <script type="text/javascript" src="./asciidoc.js"></script>\r | |
| 12 | <script type="text/javascript">\r | |
| 13 | /*<![CDATA[*/\r | |
| 14 | asciidoc.install();\r | |
| 15 | /*]]>*/\r | |
| 16 | </script>\r | |
| 17 | <link rel="stylesheet" href="./mlton.css" type="text/css">\r | |
| 18 | </head>\r | |
| 19 | <body class="article">\r | |
| 20 | <div id="banner">\r | |
| 21 | <div id="banner-home">\r | |
| 22 | <a href="./Home">MLton 20180207</a>\r | |
| 23 | </div>\r | |
| 24 | </div>\r | |
| 25 | <div id="header">\r | |
| 26 | <h1>MLtonVector</h1>\r | |
| 27 | </div>\r | |
| 28 | <div id="content">\r | |
| 29 | <div id="preamble">\r | |
| 30 | <div class="sectionbody">\r | |
| 31 | <div class="listingblock">\r | |
| 32 | <div class="content"><div class="highlight"><pre><span class="k">signature</span><span class="w"> </span><span class="n">MLTON_VECTOR</span><span class="w"> </span><span class="p">=</span><span class="w"></span>\r | |
| 33 | <span class="w"> </span><span class="k">sig</span><span class="w"></span>\r | |
| 34 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">create</span><span class="p">:</span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="p">{</span><span class="n">done</span><span class="p">:</span><span class="w"> </span><span class="n">unit</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">'a</span><span class="w"> </span><span class="n">vector</span><span class="p">,</span><span class="w"></span>\r | |
| 35 | <span class="w"> </span><span class="n">sub</span><span class="p">:</span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">'a</span><span class="p">,</span><span class="w"></span>\r | |
| 36 | <span class="w"> </span><span class="n">update</span><span class="p">:</span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="n">'a</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">unit</span><span class="p">}</span><span class="w"></span>\r | |
| 37 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">unfoldi</span><span class="p">:</span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="n">'b</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="p">(</span><span class="n">int</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="n">'b</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">'a</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="n">'b</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">'a</span><span class="w"> </span><span class="n">vector</span><span class="w"> </span><span class="n">*</span><span class="w"> </span><span class="n">'b</span><span class="w"></span>\r | |
| 38 | <span class="w"> </span><span class="k">end</span><span class="w"></span>\r | |
| 39 | </pre></div></div></div>\r | |
| 40 | <div class="ulist"><ul>\r | |
| 41 | <li>\r | |
| 42 | <p>\r | |
| 43 | <span class="monospaced">create n</span>\r | |
| 44 | </p>\r | |
| 45 | <div class="paragraph"><p>initiates the construction a vector <em>v</em> of length <span class="monospaced">n</span>, returning\r | |
| 46 | functions to manipulate the vector. The <span class="monospaced">done</span> function may be called\r | |
| 47 | to return the created vector; it is an error to call <span class="monospaced">done</span> before all\r | |
| 48 | entries have been initialized; it is an error to call <span class="monospaced">done</span> after\r | |
| 49 | having called <span class="monospaced">done</span>. The <span class="monospaced">sub</span> function may be called to return an\r | |
| 50 | initialized vector entry; it is not an error to call <span class="monospaced">sub</span> after\r | |
| 51 | having called <span class="monospaced">done</span>. The <span class="monospaced">update</span> function may be called to\r | |
| 52 | initialize a vector entry; it is an error to call <span class="monospaced">update</span> after\r | |
| 53 | having called <span class="monospaced">done</span>. One must initialize vector entries in order\r | |
| 54 | from lowest to highest; that is, before calling <span class="monospaced">update (i, x)</span>, one\r | |
| 55 | must have already called <span class="monospaced">update (j, x)</span> for all <span class="monospaced">j</span> in <span class="monospaced">[0, i)</span>. The\r | |
| 56 | <span class="monospaced">done</span>, <span class="monospaced">sub</span>, and <span class="monospaced">update</span> functions are all constant-time\r | |
| 57 | operations.</p></div>\r | |
| 58 | </li>\r | |
| 59 | <li>\r | |
| 60 | <p>\r | |
| 61 | <span class="monospaced">unfoldi (n, b, f)</span>\r | |
| 62 | </p>\r | |
| 63 | <div class="paragraph"><p>constructs a vector <em>v</em> of length <span class="monospaced">n</span>, whose elements <em>v<sub>i</sub></em> are\r | |
| 64 | determined by the equations <em>b<sub>0</sub> = b</em> and\r | |
| 65 | <em>(v<sub>i</sub>, b<sub>i+1</sub>) = f (i, b<sub>i</sub>)</em>.</p></div>\r | |
| 66 | </li>\r | |
| 67 | </ul></div>\r | |
| 68 | </div>\r | |
| 69 | </div>\r | |
| 70 | </div>\r | |
| 71 | <div id="footnotes"><hr></div>\r | |
| 72 | <div id="footer">\r | |
| 73 | <div id="footer-text">\r | |
| 74 | </div>\r | |
| 75 | <div id="footer-badges">\r | |
| 76 | </div>\r | |
| 77 | </div>\r | |
| 78 | </body>\r | |
| 79 | </html>\r |