mirror of https://github.com/BOINC/boinc.git
74 lines
2.4 KiB
PHP
74 lines
2.4 KiB
PHP
<?php
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// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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class BoltRandom extends BoltSet {
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public $units;
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function __construct($name, $units, $number) {
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parent::__construct($name, $units, $number);
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}
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function order(&$iter) {
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$state_rec = $iter->state[$this->name];
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if ($state_rec) {
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if (array_key_exists('seed', $state_rec)) {
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$seed = $state_rec['seed'];
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} else {
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$seed = ((double)microtime()*1000000);
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$state_rec['seed'] = $seed;
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$iter->state[$this->name] = $state_rec;
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}
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} else {
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$state_rec = $this->init();
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$seed = ((double)microtime()*1000000);
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$state_rec['seed'] = $seed;
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$iter->state[$this->name] = $state_rec;
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}
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srand($seed);
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shuffle($this->units);
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$this->ordered = true;
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}
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}
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function random() {
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$args = func_get_args();
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$units = array();
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$name = "";
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$number = 0;
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foreach ($args as $arg) {
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if (is_array($arg)) {
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switch ($arg[0]) {
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case 'name': $name = $arg[1]; break;
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case 'title': $title = $arg[1]; break;
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case 'number': $number = $arg[1]; break;
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default: echo "Unrecognized array arg: ", $arg[0], "\n"; break;
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}
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} else if (is_object($arg)) {
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if (is_subclass_of($arg, "BoltUnit")) {
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$units[] = $arg;
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} else {
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echo "Unrecognized arg: ";
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print_r($arg);
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}
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}
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}
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if ($number == 0) $number = count($units);
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return new BoltRandom($name, $units, $number);
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}
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?>
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