Commit | Line | Data |
8e30e889 |
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3 | <!-- |
4 | This file was generated by Devel::NYTProf version 4.06 |
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9 | <title>Profile of Heap071/Fibonacci.pm</title> |
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11 | <script type="text/javascript" src="js/jquery-min.js"></script> |
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15 | <script type="text/javascript"> |
16 | // when a column is first clicked on to sort it, use descending order |
17 | // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken) |
18 | $.tablesorter.defaults.sortInitialOrder = "desc"; |
19 | // add parser through the tablesorter addParser method |
20 | $.tablesorter.addParser({ |
21 | id: 'fmt_time', // name of this parser |
22 | is: function(s) { |
23 | return false; // return false so this parser is not auto detected |
24 | }, |
25 | format: function(orig) { // format data for normalization |
26 | // console.log(orig); |
27 | val = orig.replace(/ns/,''); |
28 | if (val != orig) { return val / (1000*1000*1000); } |
29 | val = orig.replace(/µs/,''); /* XXX use µ ? */ |
30 | if (val != orig) { return val / (1000*1000); } |
31 | var val = orig.replace(/ms/,''); |
32 | if (val != orig) { return val / (1000); } |
33 | var val = orig.replace(/s/,''); |
34 | if (val != orig) { return val; } |
35 | if (orig == '0') { return orig; } |
36 | console.log('no match for fmt_time of '.concat(orig)); |
37 | return orig; |
38 | }, |
39 | type: 'numeric' // set type, either numeric or text |
40 | }); |
41 | </script> |
42 | </head> |
43 | |
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48 | </div> |
49 | <div class="headerForeground" style="float: left"> |
50 | <span class="siteTitle">NYTProf Performance Profile</span> |
51 | <span class="siteSubtitle">  <span>« <span class="mode_btn"><a href="Heap071-Fibonacci-pm-723-block.html">block view</a></span> • <span class="mode_btn mode_btn_selected">line view</span> • <span class="mode_btn"><a href="Heap071-Fibonacci-pm-723-sub.html">sub view</a></span> »</span><br /> |
52 | For script/nytprof.pl |
53 | </span> |
54 | </div> |
55 | <div class="headerForeground" style="float: right; text-align: right"> |
56 | <span class="siteTitle"> </span> |
57 | <span class="siteSubtitle">Run on Thu May 31 16:29:39 2012<br />Reported on Thu May 31 16:39:20 2012</span> |
58 | </div> |
59 | <div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div> |
60 | <div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div> |
61 | <div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div> |
62 | <div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div> |
63 | <div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div> |
64 | <div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div> |
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67 | <div style="position: absolute; left: 0px; top: 16%; width: 100%; height: 85%; z-index: -1; background-color: rgb(14, 125, 244); "></div> |
68 | <div style="position: absolute; left: 0px; top: 18%; width: 100%; height: 83%; z-index: -1; background-color: rgb(13, 123, 242); "></div> |
69 | <div style="position: absolute; left: 0px; top: 20%; width: 100%; height: 81%; z-index: -1; background-color: rgb(13, 122, 241); "></div> |
70 | <div style="position: absolute; left: 0px; top: 22%; width: 100%; height: 79%; z-index: -1; background-color: rgb(13, 121, 240); "></div> |
71 | <div style="position: absolute; left: 0px; top: 24%; width: 100%; height: 77%; z-index: -1; background-color: rgb(12, 119, 238); "></div> |
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88 | <div style="position: absolute; left: 0px; top: 58%; width: 100%; height: 43%; z-index: -1; background-color: rgb(7, 96, 215); "></div> |
89 | <div style="position: absolute; left: 0px; top: 60%; width: 100%; height: 41%; z-index: -1; background-color: rgb(6, 95, 214); "></div> |
90 | <div style="position: absolute; left: 0px; top: 62%; width: 100%; height: 39%; z-index: -1; background-color: rgb(6, 93, 212); "></div> |
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94 | <div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div> |
95 | <div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div> |
96 | <div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div> |
97 | <div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div> |
98 | <div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div> |
99 | <div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div> |
100 | <div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div> |
101 | <div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div> |
102 | <div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div> |
103 | <div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div> |
104 | <div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div> |
105 | <div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div> |
106 | <div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div> |
107 | <div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div> |
108 | <div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div> |
109 | <div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div> |
110 | </div> |
111 | |
112 | <div class="body_content"><br /> |
113 | <table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/Heap071/Fibonacci.pm">/Users/edenc/perl5/lib/perl5/Heap071/Fibonacci.pm</a></td></tr> |
114 | <tr><td class="h">Statements</td><td align="left">Executed 18 statements in 1.69ms</td></tr></table> |
115 | |
116 | <table id="subs_table" border="1" cellpadding="0" class="tablesorter"> |
117 | <caption>Subroutines</caption> |
118 | <thead> |
119 | <tr> |
120 | <th>Calls</th> |
121 | <th><span title="Number of Places sub is called from">P</span></th> |
122 | <th><span title="Number of Files sub is called from">F</span></th> |
123 | <th>Exclusive<br />Time</th> |
124 | <th>Inclusive<br />Time</th> |
125 | <th>Subroutine</th> |
126 | </tr> |
127 | </thead> |
128 | <tbody> |
129 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">24µs</span></td><td class="c3"><span title="0.0%">28µs</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::BEGIN@3</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#3">BEGIN@3</a></span></td></tr> |
130 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">15µs</span></td><td class="c3"><span title="0.0%">130µs</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::BEGIN@4</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#4">BEGIN@4</a></span></td></tr> |
131 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::DESTROY</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#152">DESTROY</a></span></td></tr> |
132 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::absorb</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#233">absorb</a></span></td></tr> |
133 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::add</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#158">add</a></span></td></tr> |
134 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::ascending_cut</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#413">ascending_cut</a></span></td></tr> |
135 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::bhcheck</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#98">bhcheck</a></span></td></tr> |
136 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::consolidate</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#371">consolidate</a></span></td></tr> |
137 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::debug</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#31">debug</a></span></td></tr> |
138 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::decrease_key</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#267">decrease_key</a></span></td></tr> |
139 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::delete</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#291">delete</a></span></td></tr> |
140 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::elem</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#310">elem</a></span></td></tr> |
141 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::elem_DESTROY</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#327">elem_DESTROY</a></span></td></tr> |
142 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::extract_top</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#185">extract_top</a></span></td></tr> |
143 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::hdump</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#57">hdump</a></span></td></tr> |
144 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::heapcheck</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#121">heapcheck</a></span></td></tr> |
145 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::heapdump</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#81">heapdump</a></span></td></tr> |
146 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::link_as_parent_of</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#352">link_as_parent_of</a></span></td></tr> |
147 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::link_to_left_of</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#344">link_to_left_of</a></span></td></tr> |
148 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::new</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#145">new</a></span></td></tr> |
149 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::set_width</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#45">set_width</a></span></td></tr> |
150 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::top</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#178">top</a></span></td></tr> |
151 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Heap071::Fibonacci::::validate</span>Heap071::Fibonacci::<a href="Heap071-Fibonacci-pm-723-line.html#36">validate</a></span></td></tr> |
152 | </tbody></table> |
153 | Call graph for these subroutines as a |
154 | <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a> |
155 | <a href="Users-edenc-perl5-lib-perl5-Heap071-Fibonacci-pm.dot">dot language file</a>. |
156 | |
157 | <table border="1" cellpadding="0"> |
158 | <thead> |
159 | <tr><th>Line</th> |
160 | <th><span title="Number of statements executed">State<br />ments</span></th> |
161 | <th><span title="Time spend executing statements on the line, |
162 | excluding time spent executing statements in any called subroutines">Time<br />on line</span></th> |
163 | <th><span title="Number of subroutines calls">Calls</span></th> |
164 | <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th> |
165 | <th class="left_indent_header">Code</th> |
166 | </tr> |
167 | |
168 | </thead> |
169 | <tbody> |
170 | <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package Heap071::Fibonacci;</td></tr> |
171 | <tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
172 | <tr><td class="h"><a name="3"></a>3</td><td class="c1">2</td><td class="c0"><span title="Avg 23µs">46µs</span></td><td class="c3">2</td><td class="c3">33µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 28µs (24+4) within Heap071::Fibonacci::BEGIN@3 which was called: |
173 | # once (24µs+4µs) by Graph::BEGIN@38 at <a href="Heap071-Fibonacci-pm-723-line.html#3">line 3</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 28µs making 1 call to <a href="Heap071-Fibonacci-pm-723-line.html#3">Heap071::Fibonacci::BEGIN@3</a> |
174 | # spent 4µs making 1 call to <a href="strict-pm-3-line.html#34">strict::import</a></div></div></td></tr> |
175 | <tr><td class="h"><a name="4"></a>4</td><td class="c1">2</td><td class="c0"><span title="Avg 803µs">1.61ms</span></td><td class="c3">2</td><td class="c3">246µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 130µs (15+115) within Heap071::Fibonacci::BEGIN@4 which was called: |
176 | # once (15µs+115µs) by Graph::BEGIN@38 at <a href="Heap071-Fibonacci-pm-723-line.html#4">line 4</a></div></div>use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);<div class="calls"><div class="calls_out"># spent 130µs making 1 call to <a href="Heap071-Fibonacci-pm-723-line.html#4">Heap071::Fibonacci::BEGIN@4</a> |
177 | # spent 115µs making 1 call to <a href="vars-pm-6-line.html#10">vars::import</a></div></div></td></tr> |
178 | <tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
179 | <tr><td class="h"><a name="6"></a>6</td><td class="c3">1</td><td class="c1"><span title="Avg 1µs">1µs</span></td><td></td><td></td><td class="s">require Exporter;</td></tr> |
180 | <tr><td class="h"><a name="7"></a>7</td><td class="c3">1</td><td class="c3"><span title="Avg 600ns">600ns</span></td><td></td><td></td><td class="s">require AutoLoader;</td></tr> |
181 | <tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
182 | <tr><td class="h"><a name="9"></a>9</td><td class="c3">1</td><td class="c0"><span title="Avg 11µs">11µs</span></td><td></td><td></td><td class="s">@ISA = qw(Exporter AutoLoader);</td></tr> |
183 | <tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
184 | <tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"># No names exported.</td></tr> |
185 | <tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"># No names available for export.</td></tr> |
186 | <tr><td class="h"><a name="13"></a>13</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">@EXPORT = ( );</td></tr> |
187 | <tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
188 | <tr><td class="h"><a name="15"></a>15</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">$VERSION = '0.71';</td></tr> |
189 | <tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
190 | <tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
191 | <tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"># Preloaded methods go here.</td></tr> |
192 | <tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
193 | <tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"># common names</td></tr> |
194 | <tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"># h - heap head</td></tr> |
195 | <tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"># el - linkable element, contains user-provided value</td></tr> |
196 | <tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"># v - user-provided value</td></tr> |
197 | <tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
198 | <tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s">################################################# debugging control</td></tr> |
199 | <tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
200 | <tr><td class="h"><a name="27"></a>27</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">my $debug = 0;</td></tr> |
201 | <tr><td class="h"><a name="28"></a>28</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $validate = 0;</td></tr> |
202 | <tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
203 | <tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"># enable/disable debugging output</td></tr> |
204 | <tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s">sub debug {</td></tr> |
205 | <tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> @_ ? ($debug = shift) : $debug;</td></tr> |
206 | <tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
207 | <tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
208 | <tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"># enable/disable validation checks on values</td></tr> |
209 | <tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">sub validate {</td></tr> |
210 | <tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"> @_ ? ($validate = shift) : $validate;</td></tr> |
211 | <tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
212 | <tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
213 | <tr><td class="h"><a name="40"></a>40</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $width = 3;</td></tr> |
214 | <tr><td class="h"><a name="41"></a>41</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">my $bar = ' | ';</td></tr> |
215 | <tr><td class="h"><a name="42"></a>42</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">my $corner = ' +-';</td></tr> |
216 | <tr><td class="h"><a name="43"></a>43</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">my $vfmt = "%3d";</td></tr> |
217 | <tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
218 | <tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">sub set_width {</td></tr> |
219 | <tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"> $width = shift;</td></tr> |
220 | <tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"> $width = 2 if $width < 2;</td></tr> |
221 | <tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
222 | <tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"> $vfmt = "%${width}d";</td></tr> |
223 | <tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> $bar = $corner = ' ' x $width;</td></tr> |
224 | <tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> substr($bar,-2,1) = '|';</td></tr> |
225 | <tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"> substr($corner,-2,2) = '+-';</td></tr> |
226 | <tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
227 | <tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
228 | <tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">sub hdump;</td></tr> |
229 | <tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
230 | <tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s">sub hdump {</td></tr> |
231 | <tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"> my $el = shift;</td></tr> |
232 | <tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"> my $l1 = shift;</td></tr> |
233 | <tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s"> my $b = shift;</td></tr> |
234 | <tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
235 | <tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s"> my $ch;</td></tr> |
236 | <tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"> my $ch1;</td></tr> |
237 | <tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
238 | <tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"> unless( $el ) {</td></tr> |
239 | <tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"> print $l1, "\n";</td></tr> |
240 | <tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"> return;</td></tr> |
241 | <tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
242 | <tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
243 | <tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> hdump $ch1 = $el->{child},</td></tr> |
244 | <tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"> $l1 . sprintf( $vfmt, $el->{val}->val),</td></tr> |
245 | <tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"> $b . $bar;</td></tr> |
246 | <tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
247 | <tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"> if( $ch1 ) {</td></tr> |
248 | <tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"> for( $ch = $ch1->{right}; $ch != $ch1; $ch = $ch->{right} ) {</td></tr> |
249 | <tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s"> hdump $ch, $b . $corner, $b . $bar;</td></tr> |
250 | <tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
251 | <tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
252 | <tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
253 | <tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
254 | <tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s">sub heapdump {</td></tr> |
255 | <tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"> my $h;</td></tr> |
256 | <tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
257 | <tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"> while( $h = shift ) {</td></tr> |
258 | <tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"> my $top = $$h or last;</td></tr> |
259 | <tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"> my $el = $top;</td></tr> |
260 | <tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
261 | <tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"> do {</td></tr> |
262 | <tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s"> hdump $el, sprintf( "%02d: ", $el->{degree}), ' ';</td></tr> |
263 | <tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"> $el = $el->{right};</td></tr> |
264 | <tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"> } until $el == $top;</td></tr> |
265 | <tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"> print "\n";</td></tr> |
266 | <tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
267 | <tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
268 | <tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
269 | <tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s">sub bhcheck;</td></tr> |
270 | <tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
271 | <tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s">sub bhcheck {</td></tr> |
272 | <tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> my $el = shift;</td></tr> |
273 | <tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"> my $p = shift;</td></tr> |
274 | <tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
275 | <tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"> my $cur = $el;</td></tr> |
276 | <tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> my $prev;</td></tr> |
277 | <tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"> my $ch;</td></tr> |
278 | <tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"> do {</td></tr> |
279 | <tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"> $prev = $cur;</td></tr> |
280 | <tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"> $cur = $cur->{right};</td></tr> |
281 | <tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"> die "bad back link" unless $cur->{left} == $prev;</td></tr> |
282 | <tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> die "bad parent link"</td></tr> |
283 | <tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> unless (defined $p && defined $cur->{p} && $cur->{p} == $p)</td></tr> |
284 | <tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> || (!defined $p && !defined $cur->{p});</td></tr> |
285 | <tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"> die "bad degree( $cur->{degree} > $p->{degree} )"</td></tr> |
286 | <tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"> if $p && $p->{degree} <= $cur->{degree};</td></tr> |
287 | <tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"> die "not heap ordered"</td></tr> |
288 | <tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"> if $p && $p->{val}->cmp($cur->{val}) > 0;</td></tr> |
289 | <tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"> $ch = $cur->{child} and bhcheck $ch, $cur;</td></tr> |
290 | <tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"> } until $cur == $el;</td></tr> |
291 | <tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
292 | <tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
293 | <tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
294 | <tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s">sub heapcheck {</td></tr> |
295 | <tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"> my $h;</td></tr> |
296 | <tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"> my $el;</td></tr> |
297 | <tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"> while( $h = shift ) {</td></tr> |
298 | <tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"> heapdump $h if $validate >= 2;</td></tr> |
299 | <tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s"> $el = $$h and bhcheck $el, undef;</td></tr> |
300 | <tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
301 | <tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
302 | <tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
303 | <tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
304 | <tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s">################################################# forward declarations</td></tr> |
305 | <tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
306 | <tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">sub ascending_cut;</td></tr> |
307 | <tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s">sub elem;</td></tr> |
308 | <tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s">sub elem_DESTROY;</td></tr> |
309 | <tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s">sub link_to_left_of;</td></tr> |
310 | <tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
311 | <tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s">################################################# heap methods</td></tr> |
312 | <tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
313 | <tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"># Cormen et al. use two values for the heap, a pointer to an element in the</td></tr> |
314 | <tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s"># list at the top, and a count of the number of elements. The count is only</td></tr> |
315 | <tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"># used to determine the size of array required to hold log(count) pointers,</td></tr> |
316 | <tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"># but perl can set array sizes as needed and doesn't need to know their size</td></tr> |
317 | <tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"># when they are created, so we're not maintaining that field.</td></tr> |
318 | <tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s">sub new {</td></tr> |
319 | <tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr> |
320 | <tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> my $class = ref($self) || $self;</td></tr> |
321 | <tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> my $h = undef;</td></tr> |
322 | <tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> bless \$h, $class;</td></tr> |
323 | <tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
324 | <tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
325 | <tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s">sub DESTROY {</td></tr> |
326 | <tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
327 | <tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
328 | <tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> elem_DESTROY $$h;</td></tr> |
329 | <tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
330 | <tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
331 | <tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s">sub add {</td></tr> |
332 | <tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
333 | <tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> my $v = shift;</td></tr> |
334 | <tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> $validate && do {</td></tr> |
335 | <tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> die "Method 'heap' required for element on heap"</td></tr> |
336 | <tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> unless $v->can('heap');</td></tr> |
337 | <tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"> die "Method 'cmp' required for element on heap"</td></tr> |
338 | <tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> unless $v->can('cmp');</td></tr> |
339 | <tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
340 | <tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> my $el = elem $v;</td></tr> |
341 | <tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s"> my $top;</td></tr> |
342 | <tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"> if( !($top = $$h) ) {</td></tr> |
343 | <tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $el;</td></tr> |
344 | <tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr> |
345 | <tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $top->{left}, $el ;</td></tr> |
346 | <tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $el,$top;</td></tr> |
347 | <tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $el if $v->cmp($top->{val}) < 0;</td></tr> |
348 | <tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
349 | <tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
350 | <tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
351 | <tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s">sub top {</td></tr> |
352 | <tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
353 | <tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"> $$h && $$h->{val};</td></tr> |
354 | <tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
355 | <tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
356 | <tr><td class="h"><a name="183"></a>183</td><td class="c3">1</td><td class="c0"><span title="Avg 2µs">2µs</span></td><td></td><td></td><td class="s">*minimum = \&top;</td></tr> |
357 | <tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
358 | <tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s">sub extract_top {</td></tr> |
359 | <tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
360 | <tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"> my $el = $$h or return undef;</td></tr> |
361 | <tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"> my $ltop = $el->{left};</td></tr> |
362 | <tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"> my $cur;</td></tr> |
363 | <tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> my $next;</td></tr> |
364 | <tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
365 | <tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"> # $el is the heap with the lowest value on it</td></tr> |
366 | <tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> # move all of $el's children (if any) to the top list (between</td></tr> |
367 | <tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> # $ltop and $el)</td></tr> |
368 | <tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> if( $cur = $el->{child} ) {</td></tr> |
369 | <tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"> # remember the beginning of the list of children</td></tr> |
370 | <tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> my $first = $cur;</td></tr> |
371 | <tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> do {</td></tr> |
372 | <tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> # the children are moving to the top, clear the p</td></tr> |
373 | <tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"> # pointer for all of them</td></tr> |
374 | <tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s"> $cur->{p} = undef;</td></tr> |
375 | <tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"> } until ($cur = $cur->{right}) == $first;</td></tr> |
376 | <tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
377 | <tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"> # remember the end of the list</td></tr> |
378 | <tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"> $cur = $cur->{left};</td></tr> |
379 | <tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $ltop, $first;</td></tr> |
380 | <tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $cur, $el;</td></tr> |
381 | <tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
382 | <tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
383 | <tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> if( $el->{right} == $el ) {</td></tr> |
384 | <tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> # $el had no siblings or children, the top only contains $el</td></tr> |
385 | <tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"> # and $el is being removed</td></tr> |
386 | <tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"> $$h = undef;</td></tr> |
387 | <tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr> |
388 | <tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $el->{left}, $$h = $el->{right};</td></tr> |
389 | <tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"> # now all those loose ends have to be merged together as we</td></tr> |
390 | <tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"> # search for the</td></tr> |
391 | <tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"> # new smallest element</td></tr> |
392 | <tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"> $h->consolidate;</td></tr> |
393 | <tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
394 | <tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
395 | <tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"> # extract the actual value and return that, $el is no longer used</td></tr> |
396 | <tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"> # but break all of its links so that it won't be pointed to...</td></tr> |
397 | <tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"> my $top = $el->{val};</td></tr> |
398 | <tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"> $top->heap(undef);</td></tr> |
399 | <tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"> $el->{left} = $el->{right} = $el->{p} = $el->{child} = $el->{val} =</td></tr> |
400 | <tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"> undef;</td></tr> |
401 | <tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s"> $top;</td></tr> |
402 | <tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
403 | <tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
404 | <tr><td class="h"><a name="231"></a>231</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">*extract_minimum = \&extract_top;</td></tr> |
405 | <tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
406 | <tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s">sub absorb {</td></tr> |
407 | <tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
408 | <tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"> my $h2 = shift;</td></tr> |
409 | <tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
410 | <tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"> my $el = $$h;</td></tr> |
411 | <tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"> unless( $el ) {</td></tr> |
412 | <tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $$h2;</td></tr> |
413 | <tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"> $$h2 = undef;</td></tr> |
414 | <tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"> return $h;</td></tr> |
415 | <tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
416 | <tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
417 | <tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s"> my $el2 = $$h2 or return $h;</td></tr> |
418 | <tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
419 | <tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"> # add $el2 and its siblings to the head list for $h</td></tr> |
420 | <tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> # at start, $ell -> $el -> ... -> $ell is on $h (where $ell is</td></tr> |
421 | <tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"> # $el->{left})</td></tr> |
422 | <tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"> # $el2l -> $el2 -> ... -> $el2l are on $h2</td></tr> |
423 | <tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"> # at end, $ell -> $el2l -> ... -> $el2 -> $el -> ... -> $ell are</td></tr> |
424 | <tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"> # all on $h</td></tr> |
425 | <tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"> my $el2l = $el2->{left};</td></tr> |
426 | <tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $el->{left}, $el2;</td></tr> |
427 | <tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $el2l, $el;</td></tr> |
428 | <tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
429 | <tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"> # change the top link if needed</td></tr> |
430 | <tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $el2 if $el->{val}->cmp( $el2->{val} ) > 0;</td></tr> |
431 | <tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
432 | <tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"> # clean out $h2</td></tr> |
433 | <tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"> $$h2 = undef;</td></tr> |
434 | <tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
435 | <tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"> # return the heap</td></tr> |
436 | <tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"> $h;</td></tr> |
437 | <tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
438 | <tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
439 | <tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"># a key has been decreased, it may have to percolate up in its heap</td></tr> |
440 | <tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s">sub decrease_key {</td></tr> |
441 | <tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
442 | <tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s"> my $top = $$h;</td></tr> |
443 | <tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"> my $v = shift;</td></tr> |
444 | <tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"> my $el = $v->heap or return undef;</td></tr> |
445 | <tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"> my $p;</td></tr> |
446 | <tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
447 | <tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"> # first, link $h to $el if it is now the smallest (we will</td></tr> |
448 | <tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"> # soon link $el to $top to properly put it up to the top list,</td></tr> |
449 | <tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"> # if it isn't already there)</td></tr> |
450 | <tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $el if $top->{val}->cmp( $v ) > 0;</td></tr> |
451 | <tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
452 | <tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s"> if( $p = $el->{p} and $v->cmp($p->{val}) < 0 ) {</td></tr> |
453 | <tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"> # remove $el from its parent's list - it is now smaller</td></tr> |
454 | <tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
455 | <tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"> ascending_cut $top, $p, $el;</td></tr> |
456 | <tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
457 | <tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
458 | <tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"> $v;</td></tr> |
459 | <tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
460 | <tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
461 | <tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
462 | <tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"># to delete an item, we bubble it to the top of its heap (as if its key</td></tr> |
463 | <tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"># had been decreased to -infinity), and then remove it (as in extract_top)</td></tr> |
464 | <tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s">sub delete {</td></tr> |
465 | <tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
466 | <tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s"> my $v = shift;</td></tr> |
467 | <tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"> my $el = $v->heap or return undef;</td></tr> |
468 | <tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
469 | <tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"> # if there is a parent, cut $el to the top (as if it had just had its</td></tr> |
470 | <tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"> # key decreased to a smaller value than $p's value</td></tr> |
471 | <tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"> my $p;</td></tr> |
472 | <tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"> $p = $el->{p} and ascending_cut $$h, $p, $el;</td></tr> |
473 | <tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
474 | <tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s"> # $el is in the top list now, make it look like the smallest and</td></tr> |
475 | <tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"> # remove it</td></tr> |
476 | <tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $el;</td></tr> |
477 | <tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"> $h->extract_top;</td></tr> |
478 | <tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
479 | <tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
480 | <tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
481 | <tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s">################################################# internal utility functions</td></tr> |
482 | <tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
483 | <tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s">sub elem {</td></tr> |
484 | <tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"> my $v = shift;</td></tr> |
485 | <tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s"> my $el = undef;</td></tr> |
486 | <tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"> $el = {</td></tr> |
487 | <tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"> p => undef,</td></tr> |
488 | <tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> degree => 0,</td></tr> |
489 | <tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"> mark => 0,</td></tr> |
490 | <tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"> child => undef,</td></tr> |
491 | <tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"> val => $v,</td></tr> |
492 | <tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"> left => undef,</td></tr> |
493 | <tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"> right => undef,</td></tr> |
494 | <tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
495 | <tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"> $el->{left} = $el->{right} = $el;</td></tr> |
496 | <tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s"> $v->heap($el);</td></tr> |
497 | <tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"> $el;</td></tr> |
498 | <tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
499 | <tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
500 | <tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s">sub elem_DESTROY {</td></tr> |
501 | <tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"> my $el = shift;</td></tr> |
502 | <tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s"> my $ch;</td></tr> |
503 | <tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s"> my $next;</td></tr> |
504 | <tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s"> $el->{left}->{right} = undef;</td></tr> |
505 | <tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
506 | <tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s"> while( $el ) {</td></tr> |
507 | <tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s"> $ch = $el->{child} and elem_DESTROY $ch;</td></tr> |
508 | <tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s"> $next = $el->{right};</td></tr> |
509 | <tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
510 | <tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s"> defined $el->{val} and $el->{val}->heap(undef);</td></tr> |
511 | <tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"> $el->{child} = $el->{right} = $el->{left} = $el->{p} = $el->{val}</td></tr> |
512 | <tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s"> = undef;</td></tr> |
513 | <tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"> $el = $next;</td></tr> |
514 | <tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
515 | <tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
516 | <tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
517 | <tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s">sub link_to_left_of {</td></tr> |
518 | <tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s"> my $l = shift;</td></tr> |
519 | <tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s"> my $r = shift;</td></tr> |
520 | <tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
521 | <tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s"> $l->{right} = $r;</td></tr> |
522 | <tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"> $r->{left} = $l;</td></tr> |
523 | <tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
524 | <tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
525 | <tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s">sub link_as_parent_of {</td></tr> |
526 | <tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s"> my $p = shift;</td></tr> |
527 | <tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"> my $c = shift;</td></tr> |
528 | <tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
529 | <tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"> my $pc;</td></tr> |
530 | <tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
531 | <tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"> if( $pc = $p->{child} ) {</td></tr> |
532 | <tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $pc->{left}, $c;</td></tr> |
533 | <tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $c, $pc;</td></tr> |
534 | <tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr> |
535 | <tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $c, $c;</td></tr> |
536 | <tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
537 | <tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s"> $p->{child} = $c;</td></tr> |
538 | <tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"> $c->{p} = $p;</td></tr> |
539 | <tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"> $p->{degree}++;</td></tr> |
540 | <tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s"> $c->{mark} = 0;</td></tr> |
541 | <tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"> $p;</td></tr> |
542 | <tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
543 | <tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
544 | <tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s">sub consolidate {</td></tr> |
545 | <tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s"> my $h = shift;</td></tr> |
546 | <tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
547 | <tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s"> my $cur;</td></tr> |
548 | <tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"> my $this;</td></tr> |
549 | <tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s"> my $next = $$h;</td></tr> |
550 | <tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> my $last = $next->{left};</td></tr> |
551 | <tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s"> my @a;</td></tr> |
552 | <tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"> do {</td></tr> |
553 | <tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s"> # examine next item on top list</td></tr> |
554 | <tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"> $this = $cur = $next;</td></tr> |
555 | <tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> $next = $cur->{right};</td></tr> |
556 | <tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s"> my $d = $cur->{degree};</td></tr> |
557 | <tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"> my $alt;</td></tr> |
558 | <tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s"> while( $alt = $a[$d] ) {</td></tr> |
559 | <tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"> # we already saw another item of the same degree,</td></tr> |
560 | <tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s"> # put the larger valued one under the smaller valued</td></tr> |
561 | <tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s"> # one - switch $cur and $alt if necessary so that $cur</td></tr> |
562 | <tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"> # is the smaller</td></tr> |
563 | <tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s"> ($cur,$alt) = ($alt,$cur)</td></tr> |
564 | <tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"> if $cur->{val}->cmp( $alt->{val} ) > 0;</td></tr> |
565 | <tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s"> # remove $alt from the top list</td></tr> |
566 | <tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $alt->{left}, $alt->{right};</td></tr> |
567 | <tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"> # and put it under $cur</td></tr> |
568 | <tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> link_as_parent_of $cur, $alt;</td></tr> |
569 | <tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> # make sure that $h still points to a node at the top</td></tr> |
570 | <tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $cur;</td></tr> |
571 | <tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> # we've removed the old $d degree entry</td></tr> |
572 | <tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s"> $a[$d] = undef;</td></tr> |
573 | <tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"> # and we now have a $d+1 degree entry to try to insert</td></tr> |
574 | <tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s"> # into @a</td></tr> |
575 | <tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"> ++$d;</td></tr> |
576 | <tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
577 | <tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s"> # found a previously unused degree</td></tr> |
578 | <tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"> $a[$d] = $cur;</td></tr> |
579 | <tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s"> } until $this == $last;</td></tr> |
580 | <tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"> $cur = $$h;</td></tr> |
581 | <tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s"> for $cur (grep defined, @a) {</td></tr> |
582 | <tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s"> $$h = $cur if $$h->{val}->cmp( $cur->{val} ) > 0;</td></tr> |
583 | <tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
584 | <tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
585 | <tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
586 | <tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s">sub ascending_cut {</td></tr> |
587 | <tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s"> my $top = shift;</td></tr> |
588 | <tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s"> my $p = shift;</td></tr> |
589 | <tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s"> my $el = shift;</td></tr> |
590 | <tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
591 | <tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"> while( 1 ) {</td></tr> |
592 | <tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s"> if( --$p->{degree} ) {</td></tr> |
593 | <tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"> # there are still other children below $p</td></tr> |
594 | <tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s"> my $l = $el->{left};</td></tr> |
595 | <tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"> $p->{child} = $l;</td></tr> |
596 | <tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $l, $el->{right};</td></tr> |
597 | <tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr> |
598 | <tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"> # $el was the only child of $p</td></tr> |
599 | <tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s"> $p->{child} = undef;</td></tr> |
600 | <tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
601 | <tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $top->{left}, $el;</td></tr> |
602 | <tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> link_to_left_of $el, $top;</td></tr> |
603 | <tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"> $el->{p} = undef;</td></tr> |
604 | <tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> $el->{mark} = 0;</td></tr> |
605 | <tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
606 | <tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s"> # propagate up the list</td></tr> |
607 | <tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s"> $el = $p;</td></tr> |
608 | <tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
609 | <tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"> # quit at the top</td></tr> |
610 | <tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"> last unless $p = $el->{p};</td></tr> |
611 | <tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
612 | <tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"> # quit if we can mark $el</td></tr> |
613 | <tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s"> $el->{mark} = 1, last unless $el->{mark};</td></tr> |
614 | <tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
615 | <tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
616 | <tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
617 | <tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
618 | <tr><td class="h"><a name="445"></a>445</td><td class="c3">1</td><td class="c0"><span title="Avg 20µs">20µs</span></td><td></td><td></td><td class="s">1;</td></tr> |
619 | <tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
620 | <tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s">__END__</td></tr> |
621 | </tbody></table></div> |
622 | |
623 | <script type="text/javascript"> $(document).ready(function() { |
624 | |
625 | $("#subs_table").tablesorter({ |
626 | sortList: [[3,1]], |
627 | headers: { |
628 | 3: { sorter: 'fmt_time' }, |
629 | 4: { sorter: 'fmt_time' } |
630 | } |
631 | }); |
632 | |
633 | } ); </script> |
634 | |
635 | <div class="footer">Report produced by the |
636 | <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a> |
637 | Perl profiler, developed by |
638 | <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and |
639 | <a href="http://code.nytimes.com">Adam Kaplan</a>. |
640 | </div> |
641 | <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /> |
642 | </body></html> |