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>MLtonReal</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>MLtonReal</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_REAL</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">type</span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 35 | \r | |
| 36 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">fromWord</span><span class="p">:</span><span class="w"> </span><span class="n">word</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 37 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">fromLargeWord</span><span class="p">:</span><span class="w"> </span><span class="n">LargeWord</span><span class="p">.</span><span class="n">word</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">t</span><span class="w"></span>\r | |
| 38 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">toWord</span><span class="p">:</span><span class="w"> </span><span class="n">IEEEReal</span><span class="p">.</span><span class="n">rounding_mode</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">word</span><span class="w"></span>\r | |
| 39 | <span class="w"> </span><span class="k">val</span><span class="w"> </span><span class="n">toLargeWord</span><span class="p">:</span><span class="w"> </span><span class="n">IEEEReal</span><span class="p">.</span><span class="n">rounding_mode</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">t</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="n">LargeWord</span><span class="p">.</span><span class="n">word</span><span class="w"></span>\r | |
| 40 | <span class="w"> </span><span class="k">end</span><span class="w"></span>\r | |
| 41 | </pre></div></div></div>\r | |
| 42 | <div class="ulist"><ul>\r | |
| 43 | <li>\r | |
| 44 | <p>\r | |
| 45 | <span class="monospaced">type t</span>\r | |
| 46 | </p>\r | |
| 47 | <div class="paragraph"><p>the type of reals. For <span class="monospaced">MLton.LargeReal</span> this is <span class="monospaced">LargeReal.real</span>,\r | |
| 48 | for <span class="monospaced">MLton.Real</span> this is <span class="monospaced">Real.real</span>, for <span class="monospaced">MLton.Real32</span> this is\r | |
| 49 | <span class="monospaced">Real32.real</span>, for <span class="monospaced">MLton.Real64</span> this is <span class="monospaced">Real64.real</span>.</p></div>\r | |
| 50 | </li>\r | |
| 51 | <li>\r | |
| 52 | <p>\r | |
| 53 | <span class="monospaced">fromWord w</span>\r | |
| 54 | </p>\r | |
| 55 | </li>\r | |
| 56 | <li>\r | |
| 57 | <p>\r | |
| 58 | <span class="monospaced">fromLargeWord w</span>\r | |
| 59 | </p>\r | |
| 60 | <div class="paragraph"><p>convert the word <span class="monospaced">w</span> to a real value. If the value of <span class="monospaced">w</span> is larger\r | |
| 61 | than (the appropriate) <span class="monospaced">REAL.maxFinite</span>, then infinity is returned.\r | |
| 62 | If <span class="monospaced">w</span> cannot be exactly represented as a real value, then the current\r | |
| 63 | rounding mode is used to determine the resulting value.</p></div>\r | |
| 64 | </li>\r | |
| 65 | <li>\r | |
| 66 | <p>\r | |
| 67 | <span class="monospaced">toWord mode r</span>\r | |
| 68 | </p>\r | |
| 69 | </li>\r | |
| 70 | <li>\r | |
| 71 | <p>\r | |
| 72 | <span class="monospaced">toLargeWord mode r</span>\r | |
| 73 | </p>\r | |
| 74 | <div class="paragraph"><p>convert the argument <span class="monospaced">r</span> to a word type using the specified rounding\r | |
| 75 | mode. They raise <span class="monospaced">Overflow</span> if the result is not representable, in\r | |
| 76 | particular, if <span class="monospaced">r</span> is an infinity. They raise <span class="monospaced">Domain</span> if <span class="monospaced">r</span> is NaN.</p></div>\r | |
| 77 | </li>\r | |
| 78 | <li>\r | |
| 79 | <p>\r | |
| 80 | <span class="monospaced">MLton.Real32.castFromWord w</span>\r | |
| 81 | </p>\r | |
| 82 | </li>\r | |
| 83 | <li>\r | |
| 84 | <p>\r | |
| 85 | <span class="monospaced">MLton.Real64.castFromWord w</span>\r | |
| 86 | </p>\r | |
| 87 | <div class="paragraph"><p>convert the argument <span class="monospaced">w</span> to a real type as a bit-wise cast.</p></div>\r | |
| 88 | </li>\r | |
| 89 | <li>\r | |
| 90 | <p>\r | |
| 91 | <span class="monospaced">MLton.Real32.castToWord r</span>\r | |
| 92 | </p>\r | |
| 93 | </li>\r | |
| 94 | <li>\r | |
| 95 | <p>\r | |
| 96 | <span class="monospaced">MLton.Real64.castToWord r</span>\r | |
| 97 | </p>\r | |
| 98 | <div class="paragraph"><p>convert the argument <span class="monospaced">r</span> to a word type as a bit-wise cast.</p></div>\r | |
| 99 | </li>\r | |
| 100 | </ul></div>\r | |
| 101 | </div>\r | |
| 102 | </div>\r | |
| 103 | </div>\r | |
| 104 | <div id="footnotes"><hr></div>\r | |
| 105 | <div id="footer">\r | |
| 106 | <div id="footer-text">\r | |
| 107 | </div>\r | |
| 108 | <div id="footer-badges">\r | |
| 109 | </div>\r | |
| 110 | </div>\r | |
| 111 | </body>\r | |
| 112 | </html>\r |