[Swift-commit] r8352 - in www: . Swift-T
wozniak at ci.uchicago.edu
wozniak at ci.uchicago.edu
Fri Dec 19 16:29:11 CST 2014
Author: wozniak
Date: 2014-12-19 16:29:11 -0600 (Fri, 19 Dec 2014)
New Revision: 8352
Added:
www/Swift-T/gallery.html
Removed:
www/gallery.html
Log:
Move
Copied: www/Swift-T/gallery.html (from rev 8351, www/gallery.html)
===================================================================
--- www/Swift-T/gallery.html (rev 0)
+++ www/Swift-T/gallery.html 2014-12-19 22:29:11 UTC (rev 8352)
@@ -0,0 +1,965 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
+ "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+<head>
+<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
+<meta name="generator" content="AsciiDoc 8.6.9" />
+<title>Swift/T Gallery</title>
+<style type="text/css">
+/* Shared CSS for AsciiDoc xhtml11 and html5 backends */
+
+/* Default font. */
+body {
+ font-family: Georgia,serif;
+}
+
+/* Title font. */
+h1, h2, h3, h4, h5, h6,
+div.title, caption.title,
+thead, p.table.header,
+#toctitle,
+#author, #revnumber, #revdate, #revremark,
+#footer {
+ font-family: Arial,Helvetica,sans-serif;
+}
+
+body {
+ margin: 1em 5% 1em 5%;
+}
+
+a {
+ color: blue;
+ text-decoration: underline;
+}
+a:visited {
+ color: fuchsia;
+}
+
+em {
+ font-style: italic;
+ color: navy;
+}
+
+strong {
+ font-weight: bold;
+ color: #083194;
+}
+
+h1, h2, h3, h4, h5, h6 {
+ color: #527bbd;
+ margin-top: 1.2em;
+ margin-bottom: 0.5em;
+ line-height: 1.3;
+}
+
+h1, h2, h3 {
+ border-bottom: 2px solid silver;
+}
+h2 {
+ padding-top: 0.5em;
+}
+h3 {
+ float: left;
+}
+h3 + * {
+ clear: left;
+}
+h5 {
+ font-size: 1.0em;
+}
+
+div.sectionbody {
+ margin-left: 0;
+}
+
+hr {
+ border: 1px solid silver;
+}
+
+p {
+ margin-top: 0.5em;
+ margin-bottom: 0.5em;
+}
+
+ul, ol, li > p {
+ margin-top: 0;
+}
+ul > li { color: #aaa; }
+ul > li > * { color: black; }
+
+.monospaced, code, pre {
+ font-family: "Courier New", Courier, monospace;
+ font-size: inherit;
+ color: navy;
+ padding: 0;
+ margin: 0;
+}
+pre {
+ white-space: pre-wrap;
+}
+
+#author {
+ color: #527bbd;
+ font-weight: bold;
+ font-size: 1.1em;
+}
+#email {
+}
+#revnumber, #revdate, #revremark {
+}
+
+#footer {
+ font-size: small;
+ border-top: 2px solid silver;
+ padding-top: 0.5em;
+ margin-top: 4.0em;
+}
+#footer-text {
+ float: left;
+ padding-bottom: 0.5em;
+}
+#footer-badges {
+ float: right;
+ padding-bottom: 0.5em;
+}
+
+#preamble {
+ margin-top: 1.5em;
+ margin-bottom: 1.5em;
+}
+div.imageblock, div.exampleblock, div.verseblock,
+div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
+div.admonitionblock {
+ margin-top: 1.0em;
+ margin-bottom: 1.5em;
+}
+div.admonitionblock {
+ margin-top: 2.0em;
+ margin-bottom: 2.0em;
+ margin-right: 10%;
+ color: #606060;
+}
+
+div.content { /* Block element content. */
+ padding: 0;
+}
+
+/* Block element titles. */
+div.title, caption.title {
+ color: #527bbd;
+ font-weight: bold;
+ text-align: left;
+ margin-top: 1.0em;
+ margin-bottom: 0.5em;
+}
+div.title + * {
+ margin-top: 0;
+}
+
+td div.title:first-child {
+ margin-top: 0.0em;
+}
+div.content div.title:first-child {
+ margin-top: 0.0em;
+}
+div.content + div.title {
+ margin-top: 0.0em;
+}
+
+div.sidebarblock > div.content {
+ background: #ffffee;
+ border: 1px solid #dddddd;
+ border-left: 4px solid #f0f0f0;
+ padding: 0.5em;
+}
+
+div.listingblock > div.content {
+ border: 1px solid #dddddd;
+ border-left: 5px solid #f0f0f0;
+ background: #f8f8f8;
+ padding: 0.5em;
+}
+
+div.quoteblock, div.verseblock {
+ padding-left: 1.0em;
+ margin-left: 1.0em;
+ margin-right: 10%;
+ border-left: 5px solid #f0f0f0;
+ color: #888;
+}
+
+div.quoteblock > div.attribution {
+ padding-top: 0.5em;
+ text-align: right;
+}
+
+div.verseblock > pre.content {
+ font-family: inherit;
+ font-size: inherit;
+}
+div.verseblock > div.attribution {
+ padding-top: 0.75em;
+ text-align: left;
+}
+/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
+div.verseblock + div.attribution {
+ text-align: left;
+}
+
+div.admonitionblock .icon {
+ vertical-align: top;
+ font-size: 1.1em;
+ font-weight: bold;
+ text-decoration: underline;
+ color: #527bbd;
+ padding-right: 0.5em;
+}
+div.admonitionblock td.content {
+ padding-left: 0.5em;
+ border-left: 3px solid #dddddd;
+}
+
+div.exampleblock > div.content {
+ border-left: 3px solid #dddddd;
+ padding-left: 0.5em;
+}
+
+div.imageblock div.content { padding-left: 0; }
+span.image img { border-style: none; vertical-align: text-bottom; }
+a.image:visited { color: white; }
+
+dl {
+ margin-top: 0.8em;
+ margin-bottom: 0.8em;
+}
+dt {
+ margin-top: 0.5em;
+ margin-bottom: 0;
+ font-style: normal;
+ color: navy;
+}
+dd > *:first-child {
+ margin-top: 0.1em;
+}
+
+ul, ol {
+ list-style-position: outside;
+}
+ol.arabic {
+ list-style-type: decimal;
+}
+ol.loweralpha {
+ list-style-type: lower-alpha;
+}
+ol.upperalpha {
+ list-style-type: upper-alpha;
+}
+ol.lowerroman {
+ list-style-type: lower-roman;
+}
+ol.upperroman {
+ list-style-type: upper-roman;
+}
+
+div.compact ul, div.compact ol,
+div.compact p, div.compact p,
+div.compact div, div.compact div {
+ margin-top: 0.1em;
+ margin-bottom: 0.1em;
+}
+
+tfoot {
+ font-weight: bold;
+}
+td > div.verse {
+ white-space: pre;
+}
+
+div.hdlist {
+ margin-top: 0.8em;
+ margin-bottom: 0.8em;
+}
+div.hdlist tr {
+ padding-bottom: 15px;
+}
+dt.hdlist1.strong, td.hdlist1.strong {
+ font-weight: bold;
+}
+td.hdlist1 {
+ vertical-align: top;
+ font-style: normal;
+ padding-right: 0.8em;
+ color: navy;
+}
+td.hdlist2 {
+ vertical-align: top;
+}
+div.hdlist.compact tr {
+ margin: 0;
+ padding-bottom: 0;
+}
+
+.comment {
+ background: yellow;
+}
+
+.footnote, .footnoteref {
+ font-size: 0.8em;
+}
+
+span.footnote, span.footnoteref {
+ vertical-align: super;
+}
+
+#footnotes {
+ margin: 20px 0 20px 0;
+ padding: 7px 0 0 0;
+}
+
+#footnotes div.footnote {
+ margin: 0 0 5px 0;
+}
+
+#footnotes hr {
+ border: none;
+ border-top: 1px solid silver;
+ height: 1px;
+ text-align: left;
+ margin-left: 0;
+ width: 20%;
+ min-width: 100px;
+}
+
+div.colist td {
+ padding-right: 0.5em;
+ padding-bottom: 0.3em;
+ vertical-align: top;
+}
+div.colist td img {
+ margin-top: 0.3em;
+}
+
+ at media print {
+ #footer-badges { display: none; }
+}
+
+#toc {
+ margin-bottom: 2.5em;
+}
+
+#toctitle {
+ color: #527bbd;
+ font-size: 1.1em;
+ font-weight: bold;
+ margin-top: 1.0em;
+ margin-bottom: 0.1em;
+}
+
+div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
+ margin-top: 0;
+ margin-bottom: 0;
+}
+div.toclevel2 {
+ margin-left: 2em;
+ font-size: 0.9em;
+}
+div.toclevel3 {
+ margin-left: 4em;
+ font-size: 0.9em;
+}
+div.toclevel4 {
+ margin-left: 6em;
+ font-size: 0.9em;
+}
+
+span.aqua { color: aqua; }
+span.black { color: black; }
+span.blue { color: blue; }
+span.fuchsia { color: fuchsia; }
+span.gray { color: gray; }
+span.green { color: green; }
+span.lime { color: lime; }
+span.maroon { color: maroon; }
+span.navy { color: navy; }
+span.olive { color: olive; }
+span.purple { color: purple; }
+span.red { color: red; }
+span.silver { color: silver; }
+span.teal { color: teal; }
+span.white { color: white; }
+span.yellow { color: yellow; }
+
+span.aqua-background { background: aqua; }
+span.black-background { background: black; }
+span.blue-background { background: blue; }
+span.fuchsia-background { background: fuchsia; }
+span.gray-background { background: gray; }
+span.green-background { background: green; }
+span.lime-background { background: lime; }
+span.maroon-background { background: maroon; }
+span.navy-background { background: navy; }
+span.olive-background { background: olive; }
+span.purple-background { background: purple; }
+span.red-background { background: red; }
+span.silver-background { background: silver; }
+span.teal-background { background: teal; }
+span.white-background { background: white; }
+span.yellow-background { background: yellow; }
+
+span.big { font-size: 2em; }
+span.small { font-size: 0.6em; }
+
+span.underline { text-decoration: underline; }
+span.overline { text-decoration: overline; }
+span.line-through { text-decoration: line-through; }
+
+div.unbreakable { page-break-inside: avoid; }
+
+
+/*
+ * xhtml11 specific
+ *
+ * */
+
+div.tableblock {
+ margin-top: 1.0em;
+ margin-bottom: 1.5em;
+}
+div.tableblock > table {
+ border: 3px solid #527bbd;
+}
+thead, p.table.header {
+ font-weight: bold;
+ color: #527bbd;
+}
+p.table {
+ margin-top: 0;
+}
+/* Because the table frame attribute is overriden by CSS in most browsers. */
+div.tableblock > table[frame="void"] {
+ border-style: none;
+}
+div.tableblock > table[frame="hsides"] {
+ border-left-style: none;
+ border-right-style: none;
+}
+div.tableblock > table[frame="vsides"] {
+ border-top-style: none;
+ border-bottom-style: none;
+}
+
+
+/*
+ * html5 specific
+ *
+ * */
+
+table.tableblock {
+ margin-top: 1.0em;
+ margin-bottom: 1.5em;
+}
+thead, p.tableblock.header {
+ font-weight: bold;
+ color: #527bbd;
+}
+p.tableblock {
+ margin-top: 0;
+}
+table.tableblock {
+ border-width: 3px;
+ border-spacing: 0px;
+ border-style: solid;
+ border-color: #527bbd;
+ border-collapse: collapse;
+}
+th.tableblock, td.tableblock {
+ border-width: 1px;
+ padding: 4px;
+ border-style: solid;
+ border-color: #527bbd;
+}
+
+table.tableblock.frame-topbot {
+ border-left-style: hidden;
+ border-right-style: hidden;
+}
+table.tableblock.frame-sides {
+ border-top-style: hidden;
+ border-bottom-style: hidden;
+}
+table.tableblock.frame-none {
+ border-style: hidden;
+}
+
+th.tableblock.halign-left, td.tableblock.halign-left {
+ text-align: left;
+}
+th.tableblock.halign-center, td.tableblock.halign-center {
+ text-align: center;
+}
+th.tableblock.halign-right, td.tableblock.halign-right {
+ text-align: right;
+}
+
+th.tableblock.valign-top, td.tableblock.valign-top {
+ vertical-align: top;
+}
+th.tableblock.valign-middle, td.tableblock.valign-middle {
+ vertical-align: middle;
+}
+th.tableblock.valign-bottom, td.tableblock.valign-bottom {
+ vertical-align: bottom;
+}
+
+
+/*
+ * manpage specific
+ *
+ * */
+
+body.manpage h1 {
+ padding-top: 0.5em;
+ padding-bottom: 0.5em;
+ border-top: 2px solid silver;
+ border-bottom: 2px solid silver;
+}
+body.manpage h2 {
+ border-style: none;
+}
+body.manpage div.sectionbody {
+ margin-left: 3em;
+}
+
+ at media print {
+ body.manpage div#toc { display: none; }
+}
+
+
+
+/* SWIFT/T GUIDE CUSTOMIZATIONS */
+
+a:visited {
+ color: gray;
+}
+h5 {
+ font-size: 0.8em;
+}
+
+</style>
+<script type="text/javascript">
+/*<![CDATA[*/
+var asciidoc = { // Namespace.
+
+/////////////////////////////////////////////////////////////////////
+// Table Of Contents generator
+/////////////////////////////////////////////////////////////////////
+
+/* Author: Mihai Bazon, September 2002
+ * http://students.infoiasi.ro/~mishoo
+ *
+ * Table Of Content generator
+ * Version: 0.4
+ *
+ * Feel free to use this script under the terms of the GNU General Public
+ * License, as long as you do not remove or alter this notice.
+ */
+
+ /* modified by Troy D. Hanson, September 2006. License: GPL */
+ /* modified by Stuart Rackham, 2006, 2009. License: GPL */
+
+// toclevels = 1..4.
+toc: function (toclevels) {
+
+ function getText(el) {
+ var text = "";
+ for (var i = el.firstChild; i != null; i = i.nextSibling) {
+ if (i.nodeType == 3 /* Node.TEXT_NODE */) // IE doesn't speak constants.
+ text += i.data;
+ else if (i.firstChild != null)
+ text += getText(i);
+ }
+ return text;
+ }
+
+ function TocEntry(el, text, toclevel) {
+ this.element = el;
+ this.text = text;
+ this.toclevel = toclevel;
+ }
+
+ function tocEntries(el, toclevels) {
+ var result = new Array;
+ var re = new RegExp('[hH]([1-'+(toclevels+1)+'])');
+ // Function that scans the DOM tree for header elements (the DOM2
+ // nodeIterator API would be a better technique but not supported by all
+ // browsers).
+ var iterate = function (el) {
+ for (var i = el.firstChild; i != null; i = i.nextSibling) {
+ if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
+ var mo = re.exec(i.tagName);
+ if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
+ result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
+ }
+ iterate(i);
+ }
+ }
+ }
+ iterate(el);
+ return result;
+ }
+
+ var toc = document.getElementById("toc");
+ if (!toc) {
+ return;
+ }
+
+ // Delete existing TOC entries in case we're reloading the TOC.
+ var tocEntriesToRemove = [];
+ var i;
+ for (i = 0; i < toc.childNodes.length; i++) {
+ var entry = toc.childNodes[i];
+ if (entry.nodeName.toLowerCase() == 'div'
+ && entry.getAttribute("class")
+ && entry.getAttribute("class").match(/^toclevel/))
+ tocEntriesToRemove.push(entry);
+ }
+ for (i = 0; i < tocEntriesToRemove.length; i++) {
+ toc.removeChild(tocEntriesToRemove[i]);
+ }
+
+ // Rebuild TOC entries.
+ var entries = tocEntries(document.getElementById("content"), toclevels);
+ for (var i = 0; i < entries.length; ++i) {
+ var entry = entries[i];
+ if (entry.element.id == "")
+ entry.element.id = "_toc_" + i;
+ var a = document.createElement("a");
+ a.href = "#" + entry.element.id;
+ a.appendChild(document.createTextNode(entry.text));
+ var div = document.createElement("div");
+ div.appendChild(a);
+ div.className = "toclevel" + entry.toclevel;
+ toc.appendChild(div);
+ }
+ if (entries.length == 0)
+ toc.parentNode.removeChild(toc);
+},
+
+
+/////////////////////////////////////////////////////////////////////
+// Footnotes generator
+/////////////////////////////////////////////////////////////////////
+
+/* Based on footnote generation code from:
+ * http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
+ */
+
+footnotes: function () {
+ // Delete existing footnote entries in case we're reloading the footnodes.
+ var i;
+ var noteholder = document.getElementById("footnotes");
+ if (!noteholder) {
+ return;
+ }
+ var entriesToRemove = [];
+ for (i = 0; i < noteholder.childNodes.length; i++) {
+ var entry = noteholder.childNodes[i];
+ if (entry.nodeName.toLowerCase() == 'div' && entry.getAttribute("class") == "footnote")
+ entriesToRemove.push(entry);
+ }
+ for (i = 0; i < entriesToRemove.length; i++) {
+ noteholder.removeChild(entriesToRemove[i]);
+ }
+
+ // Rebuild footnote entries.
+ var cont = document.getElementById("content");
+ var spans = cont.getElementsByTagName("span");
+ var refs = {};
+ var n = 0;
+ for (i=0; i<spans.length; i++) {
+ if (spans[i].className == "footnote") {
+ n++;
+ var note = spans[i].getAttribute("data-note");
+ if (!note) {
+ // Use [\s\S] in place of . so multi-line matches work.
+ // Because JavaScript has no s (dotall) regex flag.
+ note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];
+ spans[i].innerHTML =
+ "[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +
+ "' title='View footnote' class='footnote'>" + n + "</a>]";
+ spans[i].setAttribute("data-note", note);
+ }
+ noteholder.innerHTML +=
+ "<div class='footnote' id='_footnote_" + n + "'>" +
+ "<a href='#_footnoteref_" + n + "' title='Return to text'>" +
+ n + "</a>. " + note + "</div>";
+ var id =spans[i].getAttribute("id");
+ if (id != null) refs["#"+id] = n;
+ }
+ }
+ if (n == 0)
+ noteholder.parentNode.removeChild(noteholder);
+ else {
+ // Process footnoterefs.
+ for (i=0; i<spans.length; i++) {
+ if (spans[i].className == "footnoteref") {
+ var href = spans[i].getElementsByTagName("a")[0].getAttribute("href");
+ href = href.match(/#.*/)[0]; // Because IE return full URL.
+ n = refs[href];
+ spans[i].innerHTML =
+ "[<a href='#_footnote_" + n +
+ "' title='View footnote' class='footnote'>" + n + "</a>]";
+ }
+ }
+ }
+},
+
+install: function(toclevels) {
+ var timerId;
+
+ function reinstall() {
+ asciidoc.footnotes();
+ if (toclevels) {
+ asciidoc.toc(toclevels);
+ }
+ }
+
+ function reinstallAndRemoveTimer() {
+ clearInterval(timerId);
+ reinstall();
+ }
+
+ timerId = setInterval(reinstall, 500);
+ if (document.addEventListener)
+ document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false);
+ else
+ window.onload = reinstallAndRemoveTimer;
+}
+
+}
+asciidoc.install(2);
+/*]]>*/
+</script>
+</head>
+<body class="article" style="max-width:750px">
+<div id="header">
+<h1>Swift/T Gallery</h1>
+<div id="toc">
+ <div id="toctitle">Table of Contents</div>
+ <noscript><p><b>JavaScript must be enabled in your browser to display the table of contents.</b></p></noscript>
+</div>
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph"><p>This page demonstrates the ease of use of Swift/T when constructing
+common application patterns.</p></div>
+<div class="paragraph"><p>Links:</p></div>
+<div class="ulist"><ul>
+<li>
+<p>
+<a href="swift.html">General documentation for Swift/T</a>
+</p>
+</li>
+</ul></div>
+<div class="paragraph"><p>Post to <a href="http://lists.mcs.anl.gov/mailman/listinfo/exm-user">the ExM
+user list</a> with questions about these examples.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_hello_world">1. Hello world</h2>
+<div class="sectionbody">
+<div class="paragraph"><p><strong>File:</strong> <code>hello-world/hello-world.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>import io;
+main
+{
+ printf("Hello world!");
+}</code></pre>
+</div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_running_shell_commands">2. Running shell commands</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>This script converts itself to octal in <code>mtc.octal</code>.</p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc1.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>app (file o) f(file i)
+{
+ "od" "-b" i @stdout=o;
+}
+
+main
+{
+ file x = input("mtc1.swift");
+ file y<"mtc1.octal">;
+ y = f(x);
+}</code></pre>
+</div></div>
+<div class="paragraph"><p>This script splits itself into lines, where line <em>i</em> is in file <code>out-</code>
+<em>i</em> <code>.txt</code></p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc2.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>import files;
+import string;
+
+app (file o) f(string s)
+{
+ "/bin/echo" s @stdout=o;
+}
+
+main
+{
+ string lines[] = file_lines(input("mtc2.swift"));
+ foreach line,i in lines
+ {
+ file y <sprintf("out-%i.txt",i)> = f(line);
+ }
+}</code></pre>
+</div></div>
+<div class="paragraph"><p>Note that each <code>/bin/echo</code> is eligible to run concurrently. See
+<a href="guide.html#_invocation">Invocation</a> for how to run with many
+processes.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_reductions">3. Reductions</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>A simplified version of the MapReduce model is to just compute many
+things and assemble them together at the end.</p></div>
+<div class="paragraph"><p>This script splits itself into lines, then reassembles the original
+script.</p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc3.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>import files;
+import string;
+import unix;
+
+app (file o) g(string s)
+{
+ "/bin/echo" s @stdout=o;
+}
+
+main
+{
+ string lines[] = file_lines(input("mtc2.swift"));
+ file fragments[];
+ foreach line,i in lines
+ {
+ file y <sprintf("out-%i.txt",i)> = g(line);
+ fragments[i] = y;
+ }
+ file result <"assembled.txt"> = cat(fragments);
+}</code></pre>
+</div></div>
+<div class="paragraph"><p>Note that leading whitespace is trimmed by <code>file_lines()</code>, and <code>cat()</code>
+is part of the Swift/T standard library in module <code>unix</code>.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_recursion">4. Recursion</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>This script computes the given
+<a href="https://en.wikipedia.org/wiki/Fibonacci_number">Fibonacci number</a>:</p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>fib/fib.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>import sys;
+
+(int o) fib(int i)
+{
+ if (i >= 2)
+ {
+ o = fib(i-1) + fib(i-2);
+ }
+ else if (i == 1)
+ {
+ o = 1;
+ }
+ else
+ {
+ o = 0;
+ }
+}
+
+main
+{
+ int n = toint(argv("n"));
+ trace(fib(n));
+}</code></pre>
+</div></div>
+<div class="paragraph"><p>Run it as:</p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>fib/run.sh</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>#!/bin/sh -e
+swift-t fib.swift -n=7</code></pre>
+</div></div>
+<div class="paragraph"><p>The <code>sys</code> module provides the <code>argv()</code> function, which provides a
+handy key/value interface for input values.</p></div>
+<div class="paragraph"><p>This script implements a parallel
+<a href="https://en.wikipedia.org/wiki/Merge_sort">merge sort</a>. The data
+files are generated by</p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>tclsh make-data.tcl</code></pre>
+</div></div>
+<div class="paragraph"><p>Each of the 8 files is already sorted, and a merged result will be
+placed in <code>sorted.txt</code>.</p></div>
+<div class="paragraph"><p><strong>File:</strong> <code>merge-sort/merge.swift</code></p></div>
+<div class="listingblock">
+<div class="content">
+<pre><code>import string;
+
+app (file o) sort(file i, file j)
+{
+ // This uses the standard sort -m feature (merge)
+ "sort" "-mn" i j @stdout=o;
+}
+
+(file o) merge(int i, int j)
+{
+ if (j-i == 1)
+ {
+ file fi = input(sprintf("data-%i.txt",i));
+ file fj = input(sprintf("data-%i.txt",j));
+ o = sort(fi, fj);
+ }
+ else
+ {
+ d = j - i + 1;
+ m = d %/ 2; // integer divide operator
+ o = sort(merge(i,i+m-1), merge(i+m,j));
+ }
+}
+
+main
+{
+ file result <"sorted.txt"> = merge(0,7);
+}</code></pre>
+</div></div>
+<div class="paragraph"><p>This code runs the <code>sort</code> invocations concurrently, limited only by
+available processors and data dependencies.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_python_and_numpy">5. Python and Numpy</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>See this section for information about calling Python or Numpy:
+<a href="guide.html#_external_scripting_support">Swift/T Guide: Python</a></p></div>
+</div>
+</div>
+</div>
+<div id="footnotes"><hr /></div>
+<div id="footer">
+<div id="footer-text">
+Last updated 2014-12-19 16:24:35 CST
+</div>
+</div>
+</body>
+</html>
Deleted: www/gallery.html
===================================================================
--- www/gallery.html 2014-12-19 22:26:27 UTC (rev 8351)
+++ www/gallery.html 2014-12-19 22:29:11 UTC (rev 8352)
@@ -1,965 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
- "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
-<head>
-<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
-<meta name="generator" content="AsciiDoc 8.6.9" />
-<title>Swift/T Gallery</title>
-<style type="text/css">
-/* Shared CSS for AsciiDoc xhtml11 and html5 backends */
-
-/* Default font. */
-body {
- font-family: Georgia,serif;
-}
-
-/* Title font. */
-h1, h2, h3, h4, h5, h6,
-div.title, caption.title,
-thead, p.table.header,
-#toctitle,
-#author, #revnumber, #revdate, #revremark,
-#footer {
- font-family: Arial,Helvetica,sans-serif;
-}
-
-body {
- margin: 1em 5% 1em 5%;
-}
-
-a {
- color: blue;
- text-decoration: underline;
-}
-a:visited {
- color: fuchsia;
-}
-
-em {
- font-style: italic;
- color: navy;
-}
-
-strong {
- font-weight: bold;
- color: #083194;
-}
-
-h1, h2, h3, h4, h5, h6 {
- color: #527bbd;
- margin-top: 1.2em;
- margin-bottom: 0.5em;
- line-height: 1.3;
-}
-
-h1, h2, h3 {
- border-bottom: 2px solid silver;
-}
-h2 {
- padding-top: 0.5em;
-}
-h3 {
- float: left;
-}
-h3 + * {
- clear: left;
-}
-h5 {
- font-size: 1.0em;
-}
-
-div.sectionbody {
- margin-left: 0;
-}
-
-hr {
- border: 1px solid silver;
-}
-
-p {
- margin-top: 0.5em;
- margin-bottom: 0.5em;
-}
-
-ul, ol, li > p {
- margin-top: 0;
-}
-ul > li { color: #aaa; }
-ul > li > * { color: black; }
-
-.monospaced, code, pre {
- font-family: "Courier New", Courier, monospace;
- font-size: inherit;
- color: navy;
- padding: 0;
- margin: 0;
-}
-pre {
- white-space: pre-wrap;
-}
-
-#author {
- color: #527bbd;
- font-weight: bold;
- font-size: 1.1em;
-}
-#email {
-}
-#revnumber, #revdate, #revremark {
-}
-
-#footer {
- font-size: small;
- border-top: 2px solid silver;
- padding-top: 0.5em;
- margin-top: 4.0em;
-}
-#footer-text {
- float: left;
- padding-bottom: 0.5em;
-}
-#footer-badges {
- float: right;
- padding-bottom: 0.5em;
-}
-
-#preamble {
- margin-top: 1.5em;
- margin-bottom: 1.5em;
-}
-div.imageblock, div.exampleblock, div.verseblock,
-div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
-div.admonitionblock {
- margin-top: 1.0em;
- margin-bottom: 1.5em;
-}
-div.admonitionblock {
- margin-top: 2.0em;
- margin-bottom: 2.0em;
- margin-right: 10%;
- color: #606060;
-}
-
-div.content { /* Block element content. */
- padding: 0;
-}
-
-/* Block element titles. */
-div.title, caption.title {
- color: #527bbd;
- font-weight: bold;
- text-align: left;
- margin-top: 1.0em;
- margin-bottom: 0.5em;
-}
-div.title + * {
- margin-top: 0;
-}
-
-td div.title:first-child {
- margin-top: 0.0em;
-}
-div.content div.title:first-child {
- margin-top: 0.0em;
-}
-div.content + div.title {
- margin-top: 0.0em;
-}
-
-div.sidebarblock > div.content {
- background: #ffffee;
- border: 1px solid #dddddd;
- border-left: 4px solid #f0f0f0;
- padding: 0.5em;
-}
-
-div.listingblock > div.content {
- border: 1px solid #dddddd;
- border-left: 5px solid #f0f0f0;
- background: #f8f8f8;
- padding: 0.5em;
-}
-
-div.quoteblock, div.verseblock {
- padding-left: 1.0em;
- margin-left: 1.0em;
- margin-right: 10%;
- border-left: 5px solid #f0f0f0;
- color: #888;
-}
-
-div.quoteblock > div.attribution {
- padding-top: 0.5em;
- text-align: right;
-}
-
-div.verseblock > pre.content {
- font-family: inherit;
- font-size: inherit;
-}
-div.verseblock > div.attribution {
- padding-top: 0.75em;
- text-align: left;
-}
-/* DEPRECATED: Pre version 8.2.7 verse style literal block. */
-div.verseblock + div.attribution {
- text-align: left;
-}
-
-div.admonitionblock .icon {
- vertical-align: top;
- font-size: 1.1em;
- font-weight: bold;
- text-decoration: underline;
- color: #527bbd;
- padding-right: 0.5em;
-}
-div.admonitionblock td.content {
- padding-left: 0.5em;
- border-left: 3px solid #dddddd;
-}
-
-div.exampleblock > div.content {
- border-left: 3px solid #dddddd;
- padding-left: 0.5em;
-}
-
-div.imageblock div.content { padding-left: 0; }
-span.image img { border-style: none; vertical-align: text-bottom; }
-a.image:visited { color: white; }
-
-dl {
- margin-top: 0.8em;
- margin-bottom: 0.8em;
-}
-dt {
- margin-top: 0.5em;
- margin-bottom: 0;
- font-style: normal;
- color: navy;
-}
-dd > *:first-child {
- margin-top: 0.1em;
-}
-
-ul, ol {
- list-style-position: outside;
-}
-ol.arabic {
- list-style-type: decimal;
-}
-ol.loweralpha {
- list-style-type: lower-alpha;
-}
-ol.upperalpha {
- list-style-type: upper-alpha;
-}
-ol.lowerroman {
- list-style-type: lower-roman;
-}
-ol.upperroman {
- list-style-type: upper-roman;
-}
-
-div.compact ul, div.compact ol,
-div.compact p, div.compact p,
-div.compact div, div.compact div {
- margin-top: 0.1em;
- margin-bottom: 0.1em;
-}
-
-tfoot {
- font-weight: bold;
-}
-td > div.verse {
- white-space: pre;
-}
-
-div.hdlist {
- margin-top: 0.8em;
- margin-bottom: 0.8em;
-}
-div.hdlist tr {
- padding-bottom: 15px;
-}
-dt.hdlist1.strong, td.hdlist1.strong {
- font-weight: bold;
-}
-td.hdlist1 {
- vertical-align: top;
- font-style: normal;
- padding-right: 0.8em;
- color: navy;
-}
-td.hdlist2 {
- vertical-align: top;
-}
-div.hdlist.compact tr {
- margin: 0;
- padding-bottom: 0;
-}
-
-.comment {
- background: yellow;
-}
-
-.footnote, .footnoteref {
- font-size: 0.8em;
-}
-
-span.footnote, span.footnoteref {
- vertical-align: super;
-}
-
-#footnotes {
- margin: 20px 0 20px 0;
- padding: 7px 0 0 0;
-}
-
-#footnotes div.footnote {
- margin: 0 0 5px 0;
-}
-
-#footnotes hr {
- border: none;
- border-top: 1px solid silver;
- height: 1px;
- text-align: left;
- margin-left: 0;
- width: 20%;
- min-width: 100px;
-}
-
-div.colist td {
- padding-right: 0.5em;
- padding-bottom: 0.3em;
- vertical-align: top;
-}
-div.colist td img {
- margin-top: 0.3em;
-}
-
- at media print {
- #footer-badges { display: none; }
-}
-
-#toc {
- margin-bottom: 2.5em;
-}
-
-#toctitle {
- color: #527bbd;
- font-size: 1.1em;
- font-weight: bold;
- margin-top: 1.0em;
- margin-bottom: 0.1em;
-}
-
-div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
- margin-top: 0;
- margin-bottom: 0;
-}
-div.toclevel2 {
- margin-left: 2em;
- font-size: 0.9em;
-}
-div.toclevel3 {
- margin-left: 4em;
- font-size: 0.9em;
-}
-div.toclevel4 {
- margin-left: 6em;
- font-size: 0.9em;
-}
-
-span.aqua { color: aqua; }
-span.black { color: black; }
-span.blue { color: blue; }
-span.fuchsia { color: fuchsia; }
-span.gray { color: gray; }
-span.green { color: green; }
-span.lime { color: lime; }
-span.maroon { color: maroon; }
-span.navy { color: navy; }
-span.olive { color: olive; }
-span.purple { color: purple; }
-span.red { color: red; }
-span.silver { color: silver; }
-span.teal { color: teal; }
-span.white { color: white; }
-span.yellow { color: yellow; }
-
-span.aqua-background { background: aqua; }
-span.black-background { background: black; }
-span.blue-background { background: blue; }
-span.fuchsia-background { background: fuchsia; }
-span.gray-background { background: gray; }
-span.green-background { background: green; }
-span.lime-background { background: lime; }
-span.maroon-background { background: maroon; }
-span.navy-background { background: navy; }
-span.olive-background { background: olive; }
-span.purple-background { background: purple; }
-span.red-background { background: red; }
-span.silver-background { background: silver; }
-span.teal-background { background: teal; }
-span.white-background { background: white; }
-span.yellow-background { background: yellow; }
-
-span.big { font-size: 2em; }
-span.small { font-size: 0.6em; }
-
-span.underline { text-decoration: underline; }
-span.overline { text-decoration: overline; }
-span.line-through { text-decoration: line-through; }
-
-div.unbreakable { page-break-inside: avoid; }
-
-
-/*
- * xhtml11 specific
- *
- * */
-
-div.tableblock {
- margin-top: 1.0em;
- margin-bottom: 1.5em;
-}
-div.tableblock > table {
- border: 3px solid #527bbd;
-}
-thead, p.table.header {
- font-weight: bold;
- color: #527bbd;
-}
-p.table {
- margin-top: 0;
-}
-/* Because the table frame attribute is overriden by CSS in most browsers. */
-div.tableblock > table[frame="void"] {
- border-style: none;
-}
-div.tableblock > table[frame="hsides"] {
- border-left-style: none;
- border-right-style: none;
-}
-div.tableblock > table[frame="vsides"] {
- border-top-style: none;
- border-bottom-style: none;
-}
-
-
-/*
- * html5 specific
- *
- * */
-
-table.tableblock {
- margin-top: 1.0em;
- margin-bottom: 1.5em;
-}
-thead, p.tableblock.header {
- font-weight: bold;
- color: #527bbd;
-}
-p.tableblock {
- margin-top: 0;
-}
-table.tableblock {
- border-width: 3px;
- border-spacing: 0px;
- border-style: solid;
- border-color: #527bbd;
- border-collapse: collapse;
-}
-th.tableblock, td.tableblock {
- border-width: 1px;
- padding: 4px;
- border-style: solid;
- border-color: #527bbd;
-}
-
-table.tableblock.frame-topbot {
- border-left-style: hidden;
- border-right-style: hidden;
-}
-table.tableblock.frame-sides {
- border-top-style: hidden;
- border-bottom-style: hidden;
-}
-table.tableblock.frame-none {
- border-style: hidden;
-}
-
-th.tableblock.halign-left, td.tableblock.halign-left {
- text-align: left;
-}
-th.tableblock.halign-center, td.tableblock.halign-center {
- text-align: center;
-}
-th.tableblock.halign-right, td.tableblock.halign-right {
- text-align: right;
-}
-
-th.tableblock.valign-top, td.tableblock.valign-top {
- vertical-align: top;
-}
-th.tableblock.valign-middle, td.tableblock.valign-middle {
- vertical-align: middle;
-}
-th.tableblock.valign-bottom, td.tableblock.valign-bottom {
- vertical-align: bottom;
-}
-
-
-/*
- * manpage specific
- *
- * */
-
-body.manpage h1 {
- padding-top: 0.5em;
- padding-bottom: 0.5em;
- border-top: 2px solid silver;
- border-bottom: 2px solid silver;
-}
-body.manpage h2 {
- border-style: none;
-}
-body.manpage div.sectionbody {
- margin-left: 3em;
-}
-
- at media print {
- body.manpage div#toc { display: none; }
-}
-
-
-
-/* SWIFT/T GUIDE CUSTOMIZATIONS */
-
-a:visited {
- color: gray;
-}
-h5 {
- font-size: 0.8em;
-}
-
-</style>
-<script type="text/javascript">
-/*<![CDATA[*/
-var asciidoc = { // Namespace.
-
-/////////////////////////////////////////////////////////////////////
-// Table Of Contents generator
-/////////////////////////////////////////////////////////////////////
-
-/* Author: Mihai Bazon, September 2002
- * http://students.infoiasi.ro/~mishoo
- *
- * Table Of Content generator
- * Version: 0.4
- *
- * Feel free to use this script under the terms of the GNU General Public
- * License, as long as you do not remove or alter this notice.
- */
-
- /* modified by Troy D. Hanson, September 2006. License: GPL */
- /* modified by Stuart Rackham, 2006, 2009. License: GPL */
-
-// toclevels = 1..4.
-toc: function (toclevels) {
-
- function getText(el) {
- var text = "";
- for (var i = el.firstChild; i != null; i = i.nextSibling) {
- if (i.nodeType == 3 /* Node.TEXT_NODE */) // IE doesn't speak constants.
- text += i.data;
- else if (i.firstChild != null)
- text += getText(i);
- }
- return text;
- }
-
- function TocEntry(el, text, toclevel) {
- this.element = el;
- this.text = text;
- this.toclevel = toclevel;
- }
-
- function tocEntries(el, toclevels) {
- var result = new Array;
- var re = new RegExp('[hH]([1-'+(toclevels+1)+'])');
- // Function that scans the DOM tree for header elements (the DOM2
- // nodeIterator API would be a better technique but not supported by all
- // browsers).
- var iterate = function (el) {
- for (var i = el.firstChild; i != null; i = i.nextSibling) {
- if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
- var mo = re.exec(i.tagName);
- if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
- result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
- }
- iterate(i);
- }
- }
- }
- iterate(el);
- return result;
- }
-
- var toc = document.getElementById("toc");
- if (!toc) {
- return;
- }
-
- // Delete existing TOC entries in case we're reloading the TOC.
- var tocEntriesToRemove = [];
- var i;
- for (i = 0; i < toc.childNodes.length; i++) {
- var entry = toc.childNodes[i];
- if (entry.nodeName.toLowerCase() == 'div'
- && entry.getAttribute("class")
- && entry.getAttribute("class").match(/^toclevel/))
- tocEntriesToRemove.push(entry);
- }
- for (i = 0; i < tocEntriesToRemove.length; i++) {
- toc.removeChild(tocEntriesToRemove[i]);
- }
-
- // Rebuild TOC entries.
- var entries = tocEntries(document.getElementById("content"), toclevels);
- for (var i = 0; i < entries.length; ++i) {
- var entry = entries[i];
- if (entry.element.id == "")
- entry.element.id = "_toc_" + i;
- var a = document.createElement("a");
- a.href = "#" + entry.element.id;
- a.appendChild(document.createTextNode(entry.text));
- var div = document.createElement("div");
- div.appendChild(a);
- div.className = "toclevel" + entry.toclevel;
- toc.appendChild(div);
- }
- if (entries.length == 0)
- toc.parentNode.removeChild(toc);
-},
-
-
-/////////////////////////////////////////////////////////////////////
-// Footnotes generator
-/////////////////////////////////////////////////////////////////////
-
-/* Based on footnote generation code from:
- * http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
- */
-
-footnotes: function () {
- // Delete existing footnote entries in case we're reloading the footnodes.
- var i;
- var noteholder = document.getElementById("footnotes");
- if (!noteholder) {
- return;
- }
- var entriesToRemove = [];
- for (i = 0; i < noteholder.childNodes.length; i++) {
- var entry = noteholder.childNodes[i];
- if (entry.nodeName.toLowerCase() == 'div' && entry.getAttribute("class") == "footnote")
- entriesToRemove.push(entry);
- }
- for (i = 0; i < entriesToRemove.length; i++) {
- noteholder.removeChild(entriesToRemove[i]);
- }
-
- // Rebuild footnote entries.
- var cont = document.getElementById("content");
- var spans = cont.getElementsByTagName("span");
- var refs = {};
- var n = 0;
- for (i=0; i<spans.length; i++) {
- if (spans[i].className == "footnote") {
- n++;
- var note = spans[i].getAttribute("data-note");
- if (!note) {
- // Use [\s\S] in place of . so multi-line matches work.
- // Because JavaScript has no s (dotall) regex flag.
- note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];
- spans[i].innerHTML =
- "[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +
- "' title='View footnote' class='footnote'>" + n + "</a>]";
- spans[i].setAttribute("data-note", note);
- }
- noteholder.innerHTML +=
- "<div class='footnote' id='_footnote_" + n + "'>" +
- "<a href='#_footnoteref_" + n + "' title='Return to text'>" +
- n + "</a>. " + note + "</div>";
- var id =spans[i].getAttribute("id");
- if (id != null) refs["#"+id] = n;
- }
- }
- if (n == 0)
- noteholder.parentNode.removeChild(noteholder);
- else {
- // Process footnoterefs.
- for (i=0; i<spans.length; i++) {
- if (spans[i].className == "footnoteref") {
- var href = spans[i].getElementsByTagName("a")[0].getAttribute("href");
- href = href.match(/#.*/)[0]; // Because IE return full URL.
- n = refs[href];
- spans[i].innerHTML =
- "[<a href='#_footnote_" + n +
- "' title='View footnote' class='footnote'>" + n + "</a>]";
- }
- }
- }
-},
-
-install: function(toclevels) {
- var timerId;
-
- function reinstall() {
- asciidoc.footnotes();
- if (toclevels) {
- asciidoc.toc(toclevels);
- }
- }
-
- function reinstallAndRemoveTimer() {
- clearInterval(timerId);
- reinstall();
- }
-
- timerId = setInterval(reinstall, 500);
- if (document.addEventListener)
- document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false);
- else
- window.onload = reinstallAndRemoveTimer;
-}
-
-}
-asciidoc.install(2);
-/*]]>*/
-</script>
-</head>
-<body class="article" style="max-width:750px">
-<div id="header">
-<h1>Swift/T Gallery</h1>
-<div id="toc">
- <div id="toctitle">Table of Contents</div>
- <noscript><p><b>JavaScript must be enabled in your browser to display the table of contents.</b></p></noscript>
-</div>
-</div>
-<div id="content">
-<div id="preamble">
-<div class="sectionbody">
-<div class="paragraph"><p>This page demonstrates the ease of use of Swift/T when constructing
-common application patterns.</p></div>
-<div class="paragraph"><p>Links:</p></div>
-<div class="ulist"><ul>
-<li>
-<p>
-<a href="swift.html">General documentation for Swift/T</a>
-</p>
-</li>
-</ul></div>
-<div class="paragraph"><p>Post to <a href="http://lists.mcs.anl.gov/mailman/listinfo/exm-user">the ExM
-user list</a> with questions about these examples.</p></div>
-</div>
-</div>
-<div class="sect1">
-<h2 id="_hello_world">1. Hello world</h2>
-<div class="sectionbody">
-<div class="paragraph"><p><strong>File:</strong> <code>hello-world/hello-world.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>import io;
-main
-{
- printf("Hello world!");
-}</code></pre>
-</div></div>
-</div>
-</div>
-<div class="sect1">
-<h2 id="_running_shell_commands">2. Running shell commands</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>This script converts itself to octal in <code>mtc.octal</code>.</p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc1.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>app (file o) f(file i)
-{
- "od" "-b" i @stdout=o;
-}
-
-main
-{
- file x = input("mtc1.swift");
- file y<"mtc1.octal">;
- y = f(x);
-}</code></pre>
-</div></div>
-<div class="paragraph"><p>This script splits itself into lines, where line <em>i</em> is in file <code>out-</code>
-<em>i</em> <code>.txt</code></p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc2.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>import files;
-import string;
-
-app (file o) f(string s)
-{
- "/bin/echo" s @stdout=o;
-}
-
-main
-{
- string lines[] = file_lines(input("mtc2.swift"));
- foreach line,i in lines
- {
- file y <sprintf("out-%i.txt",i)> = f(line);
- }
-}</code></pre>
-</div></div>
-<div class="paragraph"><p>Note that each <code>/bin/echo</code> is eligible to run concurrently. See
-<a href="guide.html#_invocation">Invocation</a> for how to run with many
-processes.</p></div>
-</div>
-</div>
-<div class="sect1">
-<h2 id="_reductions">3. Reductions</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>A simplified version of the MapReduce model is to just compute many
-things and assemble them together at the end.</p></div>
-<div class="paragraph"><p>This script splits itself into lines, then reassembles the original
-script.</p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>mtc/mtc3.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>import files;
-import string;
-import unix;
-
-app (file o) g(string s)
-{
- "/bin/echo" s @stdout=o;
-}
-
-main
-{
- string lines[] = file_lines(input("mtc2.swift"));
- file fragments[];
- foreach line,i in lines
- {
- file y <sprintf("out-%i.txt",i)> = g(line);
- fragments[i] = y;
- }
- file result <"assembled.txt"> = cat(fragments);
-}</code></pre>
-</div></div>
-<div class="paragraph"><p>Note that leading whitespace is trimmed by <code>file_lines()</code>, and <code>cat()</code>
-is part of the Swift/T standard library in module <code>unix</code>.</p></div>
-</div>
-</div>
-<div class="sect1">
-<h2 id="_recursion">4. Recursion</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>This script computes the given
-<a href="https://en.wikipedia.org/wiki/Fibonacci_number">Fibonacci number</a>:</p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>fib/fib.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>import sys;
-
-(int o) fib(int i)
-{
- if (i >= 2)
- {
- o = fib(i-1) + fib(i-2);
- }
- else if (i == 1)
- {
- o = 1;
- }
- else
- {
- o = 0;
- }
-}
-
-main
-{
- int n = toint(argv("n"));
- trace(fib(n));
-}</code></pre>
-</div></div>
-<div class="paragraph"><p>Run it as:</p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>fib/run.sh</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>#!/bin/sh -e
-swift-t fib.swift -n=7</code></pre>
-</div></div>
-<div class="paragraph"><p>The <code>sys</code> module provides the <code>argv()</code> function, which provides a
-handy key/value interface for input values.</p></div>
-<div class="paragraph"><p>This script implements a parallel
-<a href="https://en.wikipedia.org/wiki/Merge_sort">merge sort</a>. The data
-files are generated by</p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>tclsh make-data.tcl</code></pre>
-</div></div>
-<div class="paragraph"><p>Each of the 8 files is already sorted, and a merged result will be
-placed in <code>sorted.txt</code>.</p></div>
-<div class="paragraph"><p><strong>File:</strong> <code>merge-sort/merge.swift</code></p></div>
-<div class="listingblock">
-<div class="content">
-<pre><code>import string;
-
-app (file o) sort(file i, file j)
-{
- // This uses the standard sort -m feature (merge)
- "sort" "-mn" i j @stdout=o;
-}
-
-(file o) merge(int i, int j)
-{
- if (j-i == 1)
- {
- file fi = input(sprintf("data-%i.txt",i));
- file fj = input(sprintf("data-%i.txt",j));
- o = sort(fi, fj);
- }
- else
- {
- d = j - i + 1;
- m = d %/ 2; // integer divide operator
- o = sort(merge(i,i+m-1), merge(i+m,j));
- }
-}
-
-main
-{
- file result <"sorted.txt"> = merge(0,7);
-}</code></pre>
-</div></div>
-<div class="paragraph"><p>This code runs the <code>sort</code> invocations concurrently, limited only by
-available processors and data dependencies.</p></div>
-</div>
-</div>
-<div class="sect1">
-<h2 id="_python_and_numpy">5. Python and Numpy</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>See this section for information about calling Python or Numpy:
-<a href="guide.html#_external_scripting_support">Swift/T Guide: Python</a></p></div>
-</div>
-</div>
-</div>
-<div id="footnotes"><hr /></div>
-<div id="footer">
-<div id="footer-text">
-Last updated 2014-12-19 16:24:35 CST
-</div>
-</div>
-</body>
-</html>
More information about the Swift-commit
mailing list