todos fixed

This commit is contained in:
Dennis Eichhorn 2023-10-12 22:49:21 +00:00
parent 99211861eb
commit 567ab3bfcd
16 changed files with 816 additions and 190 deletions

View File

@ -110,7 +110,7 @@ final class Kmeans
* Generate the clusters of the points
*
* @param PointInterface[] $points Points to cluster
* @param int<0, max> $clusters Amount of clusters
* @param int<1, max> $clusters Amount of clusters
*
* @return void
*
@ -140,8 +140,7 @@ final class Kmeans
foreach ($clusterCenters as $center) {
for ($i = 0; $i < $coordinates; ++$i) {
// @todo Invalid center coodinate value in like 5 % of the runs
$center->setCoordinate($i, $center->getCoordinate($i) / ($center->group === 0 ? 1 : $center->group));
$center->setCoordinate($i, $center->getCoordinate($i) / $center->group);
}
}
@ -149,7 +148,7 @@ final class Kmeans
foreach ($points as $point) {
$min = $this->nearestClusterCenter($point, $clusterCenters)[0];
if ($min !== $point->group) {
if ($clusters !== $point->group) {
++$changed;
$point->group = $min;
}
@ -208,29 +207,40 @@ final class Kmeans
private function kpp(array $points, int $n) : array
{
$clusters = [clone $points[\array_rand($points, 1)]];
$d = \array_fill(0, $n, 0.0);
$d = \array_fill(0, $n, 0.0);
for ($i = 1; $i < $n; ++$i) {
$sum = 0;
foreach ($points as $key => $point) {
$d[$key] = $this->nearestClusterCenter($point, \array_slice($clusters, 0, 5))[1];
$d[$key] = $this->nearestClusterCenter($point, $clusters)[1];
$sum += $d[$key];
}
$sum *= \mt_rand(0, \mt_getrandmax()) / \mt_getrandmax();
$found = false;
foreach ($d as $key => $di) {
$sum -= $di;
if ($sum <= 0) {
$clusters[$i] = clone $points[$key];
// The in array check is important to avoid duplicate cluster centers
if ($sum <= 0 && !\in_array($c = $points[$key], $clusters)) {
$clusters[$i] = clone $c;
$found = true;
}
}
while (!$found) {
if (!\in_array($c = $points[\array_rand($points)], $clusters)) {
$clusters[$i] = clone $c;
$found = true;
}
}
}
foreach ($points as $point) {
$point->group = ($this->nearestClusterCenter($point, $clusters)[0]);
$point->group = $this->nearestClusterCenter($point, $clusters)[0];
}
return $clusters;

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@ -21,9 +21,159 @@ namespace phpOMS\Algorithm\Graph;
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*
* @todo Implement
*/
final class MarkovChain
{
/**
* Order of the markov chain
*
* @var int
* @since 1.0.0
*/
private int $order = 1;
/**
* Trained data
*
* @var array
* @since 1.0.0
*/
private array $data = [];
/**
* Constructor
*
* @param int $order Order of the markov chain
*
* @since 1.0.0
*/
public function __construct(int $order = 1)
{
$this->order = $order;
}
/**
* Create markov chain based on input
*
* @param array $values Training values
*
* @return void
*
* @since 1.0.0
*/
public function train(array $values) : void
{
$temp = [];
$length = \count($values) - $this->order;
$unique = \array_unique($values);
for ($i = 0; $i < $length; ++$i) {
$key = [];
for ($j = 0; $j < $this->order; ++$j) {
$key[] = $values[$i + $j];
}
$keyString = \implode(' ', $key);
if (!isset($temp[$keyString])) {
foreach ($unique as $value) {
$temp[$keyString][$value] = 0;
}
}
++$temp[$keyString][$values[$i + 1]];
}
foreach ($temp as $key => $values) {
$sum = \array_sum($values);
foreach ($values as $idx => $value) {
$this->data[$key][$idx] = $value / $sum;
}
}
}
/**
* Set training data
*
* @param array<array<int, int>> $values Training values
*
* @return void
*
* @since 1.0.0
*/
public function setTraining(array $values) : void
{
$this->data = $values;
}
public function generate(int $length, array $start = null) : array
{
$orderKeys = \array_keys($this->data);
$orderValues = \array_keys(\reset($this->data));
$output = $start ?? \explode(' ', $orderKeys[\array_rand($orderKeys)]);
$key = $output;
for ($i = $this->order; $i < $length; ++$i) {
$keyString = \implode(' ', $key);
$prob = \mt_rand(1, 100) / 100;
$cProb = 0.0;
$found = false;
$val = null;
foreach (($this->data[$keyString] ?? []) as $val => $p) {
$cProb += $p;
if ($prob <= $cProb) {
$new = $val;
$found = true;
break;
}
}
// Couldn't find possible key
if (!$found) {
$new = $orderValues[\array_rand($orderValues)];
}
$output[] = $new;
$key[] = $new;
\array_shift($key);
}
return $output;
}
public function pathProbability(array $path) : float
{
$length = \count($path);
if ($length <= $this->order) {
return 0.0;
}
$key = \array_slice($path, 0, $this->order);
$prob = 1.0;
for ($i = $this->order; $i < $length; ++$i) {
$prob *= $this->data[\implode($key)][$path[$i]] ?? 0.0;
$key[] = $path[$i];
\array_shift($key);
}
return $prob;
}
public function stepProbability(array $state, mixed $next) : float
{
if (\count($state) !== $this->order) {
return 0.0;
}
return $this->data[\implode(' ', $state)][$next] ?? 0.0;
}
}

View File

@ -25,8 +25,6 @@ use phpOMS\Math\Solver\Root\Bisection;
* @see https://en.wikipedia.org/wiki/Glicko_rating_system
* @see http://www.glicko.net/glicko/glicko2.pdf
* @since 1.0.0
*
* @todo: implement
*/
final class Glicko2
{

View File

@ -695,11 +695,14 @@ class DataMapperFactory
}
if ($count > $pageLimit) {
if (!$hasNext) { // @todo: can be maybe removed?
// @todo: can be maybe removed?
/*
if (!$hasNext) {
\array_pop($data);
$hasNext = true;
--$count;
}
*/
if ($count > $pageLimit) {
$hasPrevious = true;

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@ -257,6 +257,7 @@ final class ReadMapper extends DataMapperAbstract
// Get remaining objects (not available in memory cache) or remaining where clauses.
//$dbData = $this->executeGetRaw($query);
$ids = [];
foreach ($this->executeGetRawYield($query) as $row) {
if ($row === []) {
continue;
@ -266,6 +267,15 @@ final class ReadMapper extends DataMapperAbstract
$obj[$value] = $this->mapper::createBaseModel($row);
$obj[$value] = $this->populateAbstract($row, $obj[$value]);
$ids[] = $value;
// @todo: This is too slow, since it creates a query for every $row x relation type.
// Pulling it out would be nice.
// The problem with solving this is that in a many-to-many relationship a relation table is used
// BUT the relation data is not available in the object itself meaning after retrieving the object
// it cannot get assigned to the correct parent object.
// Other relation types are easy because either the parent or child object contain the relation info.
$this->loadHasManyRelations($obj[$value]);
}

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@ -28,10 +28,6 @@ use phpOMS\DataStorage\Database\Query\Where;
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*
* @todo Karaka/phpOMS#33
* Implement missing grammar & builder functions
* Missing elements are e.g. sum, merge etc.
*/
class Grammar extends GrammarAbstract
{

View File

@ -0,0 +1,109 @@
<?php
/**
* Jingga
*
* PHP Version 8.1
*
* @package phpOMS\Math\Geometry\ConvexHull
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\Math\Geometry\ConvexHull;
/**
* Andrew's monotone chain convex hull algorithm class.
*
* @package phpOMS\Math\Geometry\ConvexHull
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*/
final class GrahamScan
{
/**
* Constructor.
*
* @since 1.0.0
* @codeCoverageIgnore
*/
private function __construct()
{
}
/**
* Create convex hull
*
* @param array<int, array{x:int|float, y:int|float}> $points Points (Point Cloud)
*
* @return array<int, array{x:int|float, y:int|float}>
*
* @since 1.0.0
*/
public static function createConvexHull(array $points) : array
{
$count = \count($points);
if ($count < 3) {
return [];
}
$min = 1;
$points = \array_merge([null], $points);
for ($i = 2; $i < $count; ++$i) {
if ($points[$i]['y'] < $points[$min]['y'] || ($points[$i]['y'] == $points[$min]['y'] && $points[$i]['x'] < $points[$min]['x'])) {
$min = $i;
}
}
$temp = $points[1];
$points[1] = $points[$min];
$points[$min] = $temp;
$c = $points[1];
$subpoints = \array_slice($points, 2, $count);
\usort($subpoints, function (array $a, array $b) use ($c) : bool
{
return atan2($a['y'] - $c['y'], $a['x'] - $c['x']) < atan2( $b['y'] - $c['y'], $b['x'] - $c['x']);
}
);
$points = \array_merge([$points[0], $points[1]], $subpoints);
$points[0] = $points[$count];
$size = 1;
for ($i = 2; $i <= $count; ++$i) {
while (self::ccw($points[$size - 1], $points[$size], $points[$i]) <= 0) {
if ($size > 1) {
--$size;
} elseif ($i === $count) {
break;
} else {
++$i;
}
}
$temp = $points[$i];
$points[$size + 1] = $points[$i];
$points[$i] = $points[$size + 1];
++$size;
}
$hull = [];
for ($i = 1; $i <= $size; ++$i) {
$hull[] = $points[$i];
}
return $hull;
}
public static function ccw(array $a, array $b, array $c)
{
return (($b['x'] - $a['x']) * ($c['y'] - $a['y']) - ($b['y'] - $a['y']) * ($c['x'] - $a['x']));
}
}

View File

@ -25,200 +25,210 @@ namespace phpOMS\Math\Optimization;
*/
class Simplex
{
private array $function = [];
private int $m = 0;
private int $n = 0;
private string $functionType = '';
private array $A = [];
private int|float $functionLimit = 0.0;
private array $b = [];
private array $constraints = [];
private array $c = [];
private array $constraintsType = [];
private int $v = 0;
private array $constraintsLimit = [];
private array $Basic = [];
private array $slackForm = [];
private array $Nonbasic = [];
private array $nonbasicSolution = [];
private array $basicSolution = [];
/**
* Define the function to optimize
*
* @param array $function Function to optimize
*
* @return void
*
* @since 1.0.0
*/
public function setFunction(array $function) : void
private function pivot (int $x, int $y)
{
}
/**
* Add function constraint
*
* @param array $function Constraint function
* @param string $type Constraint type
* @param float $limit Constraint
*
* @return void
*
* @since 1.0.0
*/
public function addConstraint(array $function, string $type, float $limit) : void
{
}
/**
* Pivot element
*
* @param int $x X-Pivot
* @param int $y Y-Pivot
*
* @return void
*
* @since 1.0.0
*/
private function pivot(int $x, int $y) : void
{
}
/**
* Perform simplex iteration
*
* @return void
*
* @since 1.0.0
*/
private function iterateSimplex() : void
{
}
/**
* Initialize simplex algorithm
*
* @return bool
*
* @since 1.0.0
*/
private function initialize() : bool
{
$k = -1;
$minLimit = -1;
$m = \count($this->constraints);
$n = \count($this->function);
for ($i = 0; $i < $m; ++$i) {
if ($k === -1 || $this->constraintsLimit[$i] < $minLimit) {
$k = $i;
$minLimit = $this->constraintsLimit[$i];
for ($j = 0; $j < $this->n; ++$j) {
if ($j !== $y) {
$this->A[$x][$j] /= -$this->A[$x][$y];
}
}
if ($this->constraintsLimit[$k] >= 0) {
for ($j = 0; $j < $n; ++$j) {
$this->nonbasicSolution[$j] = $j;
$this->b[$x] /= -$this->A[$x][$y];
$this->A[$x][$y] = 1.0 / $this->A[$x][$y];
for ($i = 0; $i < $this->m; ++$i) {
if ($i !== $x) {
for ($j = 0; $j < $this->n; ++$j) {
if ($j !== $y) {
$this->A[$i][$j] += $this->A[$i][$y] * $this->A[$x][$j];
}
}
$this->b[$i] += $this->A[$i][$y] / $this->b[$x];
$this->A[$i][$y] *= $this->A[$x][$y];
}
}
for ($j = 0; $j < $this->n; ++$j) {
if ($j !== $y) {
$this->c[$j] += $this->c[$y] * $this->A[$x][$j];
}
}
$this->v += $this->c[$y] * $this->b[$x];
$this->c[$y] *= $this->A[$x][$y];
$temp = $this->Basic[$x];
$this->Basic[$x] = $this->Nonbasic[$y];
$this->Nonbasic[$y] = $temp;
}
private function iterate() : int
{
$ind = -1;
$best = -1;
for ($j = 0; $j < $this->n; ++$j) {
if ($this->c[$j] > 0) {
if ($best === -1 || $this->Nonbasic[$j] < $ind) {
$ind = $this->Nonbasic[$j];
$best = $j;
}
}
}
if ($ind === -1) {
return 1;
}
$maxConstraint = \INF;
$bestConstraint = -1;
for ($i = 0; $i < $this->m; ++$i) {
if ($this->A[$i][$best] < 0) {
$currentConstraint = -$this->b[$i] / $this->A[$i][$best];
if ($currentConstraint < $maxConstraint) {
$maxConstraint = $currentConstraint;
$bestConstraint = $i;
}
}
}
if ($maxConstraint === \INF) {
return -1;
}
$this->pivot($bestConstraint, $best);
return 0;
}
private function initialize() : int
{
$k = -1;
$minB = -1;
for ($i = 0; $i < $this->m; ++$i) {
if ($k === -1 || $this->b[$i] < $minB) {
$k = $i;
$minB = $this->b[$i];
}
}
if ($this->b[$k] >= 0) {
for ($j = 0; $j < $this->n; ++$j) {
$this->Nonbasic[$j] = $j;
}
for ($i = 0; $i < $m; ++$i) {
$this->basicSolution[$i] = $n + $i;
for ($i = 0; $i < $this->m; ++$i) {
$this->Basic[$i] = $this->n + $i;
}
return true;
return 0;
}
// Auxiliary LP
++$n;
for ($j = 0; $j < $n; ++$j) {
$this->nonbasicSolution[$j] = $j;
++$this->n;
for ($j = 0; $j < $this->n; ++$j) {
$this->Nonbasic[$j] = $j;
}
for ($i = 0; $i < $m; ++$i) {
$this->basicSolution[$i] = $n + $i;
for ($i = 0; $i < $this->m; ++$i) {
$this->Basic[$i] = $this->n + $i;
}
$oldFunction = $this->function;
$oldLimit = $this->functionLimit;
// Auxiliary function
$this->function[$n - 1] = -1;
$this->functionLimit = 0;
for ($j = 0; $j < $n - 1; ++$j) {
$this->function[$j] = 0;
$oldC = [];
for ($j = 0; $j < $this->n - 1; ++$j) {
$oldC[$j] = $this->c[$j];
}
// Auxiliary constraints
for ($i = 0; $i < $m; ++$i) {
$this->constraints[$i][$n - 1] = 1;
$oldV = $this->v;
$this->c[$this->n - 1] = -1;
for ($j = 0; $j < $this->n - 1; ++$j) {
$this->c[$j] = 0;
}
$this->pivot($k, $n - 1);
$this->v = 0;
// Solve Auxiliary LP
while ($this->iterateSimplex());
if ($this->functionLimit !== 0) {
return false;
for ($i = 0; $i < $this->m; ++$i) {
$this->A[$i][$this->n - 1] = 1;
}
$zBasic = -1;
for ($i = 0; $i < $m; ++$i) {
if ($this->basicSolution[$i] === $n - 1) {
$zBasic = $i;
$this->pivot($k, $this->n - 1);
while (!$this->iterate());
if ($this->v !== 0) {
return -1;
}
$basicZ = -1;
for ($i = 0; $i < $this->m; ++$i) {
if ($this->Basic[$i] === $this->n - 1) {
$basicZ = $i;
break;
}
}
if ($zBasic === -1) {
$this->pivot($zBasic, $n - 1);
if ($basicZ !== -1) {
$this->pivot($basicZ, $this->n - 1);
}
$zNonBasic = -1;
for ($j = 0; $j < $n; ++$j) {
if ($this->nonbasicSolution[$j] === $n - 1) {
$zNonBasic = $j;
$nonbasicZ = -1;
for ($j = 0; $j < $this->n; ++$j) {
if ($this->Nonbasic[$j] === $this->n - 1) {
$nonbasicZ = $j;
break;
}
}
for ($i = 0; $i < $m; ++$i) {
$this->constraints[$i][$zNonBasic] = $this->constraints[$i][$n - 1];
for ($i = 0; $i < $this->m; ++$i) {
$this->A[$i][$nonbasicZ] = $this->A[$i][$this->n - 1];
}
$tmp = $this->nonbasicSolution[$n - 1];
$this->nonbasicSolution[$n - 1] = $this->nonbasicSolution[$zNonBasic];
$this->nonbasicSolution[$zNonBasic] = $tmp;
$temp = $this->Nonbasic[$nonbasicZ];
$this->Nonbasic[$nonbasicZ] = $this->Nonbasic[$this->n - 1];
$this->Nonbasic[$this->n - 1] = $temp;
--$n;
for ($j = 0; $j < $n; ++$j) {
if ($this->nonbasicSolution[$j] > $n) {
--$this->nonbasicSolution[$j];
--$this->n;
for ($j = 0; $j < $this->n; ++$j) {
if ($this->Nonbasic[$j] > $this->n) {
--$this->Nonbasic[$j];
}
}
for ($i = 0; $i < $m; ++$i) {
if ($this->basicSolution[$i] > $n) {
--$this->basicSolution[$i];
for ($i = 0; $i < $this->m; ++$i) {
if ($this->Basic[$i] > $this->n) {
--$this->Basic[$i];
}
}
$this->functionLimit = $oldLimit;
for ($j = 0; $j < $n; ++$j) {
$this->function[$j] = 0;
for ($j = 0; $j < $this->n; ++$j) {
$this->c[$j] = 0;
}
for ($j = 0; $j < $n; ++$j) {
$this->v = $oldV;
for ($j = 0; $j < $this->n; ++$j) {
$ok = false;
for ($jj = 0; $jj < $n; ++$jj) {
if ($j === $this->nonbasicSolution[$jj]) {
$this->function[$jj] += $oldFunction[$j];
for ($k = 0; $k < $this->n; ++$k) {
if ($j = $this->Nonbasic[$k]) {
$this->c[$k] += $oldC[$j];
$ok = true;
break;
}
@ -228,32 +238,52 @@ class Simplex
continue;
}
for ($i = 0; $i < $m; ++$i) {
if ($j = $this->basicSolution[$i]) {
for ($jj = 0; $jj < $n; ++$jj) {
$this->function[$jj] += $oldFunction[$j] * $this->constraints[$i][$jj];
for ($i = 0; $i < $this->m; ++$i) {
if ($j === $this->Basic[$i]) {
for ($k = 0; $k < $this->n; ++$k) {
$this->c[$k] = $oldC[$j] * $this->A[$i][$k];
}
$this->functionLimit += $oldFunction[$j] * $this->constraintsLimit[$i];
$this->v += $oldC[$j] * $this->b[$i];
break;
}
}
}
return true;
return 0;
}
/**
* Solve the optimization
*
* @return array
*
* @since 1.0.0
*/
public function solve() : array
public function solve(array $A, array $b, array $c)
{
if (!$this->initialize()) {
return [];
$this->A = $A;
$this->b = $b;
$this->c = $c;
// @todo: createSlackForm() required?
$this->m = \count($A);
$this->n = \count(\reset($A));
if ($this->initialize() === -1) {
return [\array_fill(0, $this->m + $this->n, -2), \INF];
}
$code = 0;
while (!($code = $this->iterate()));
if ($code === -1) {
return [\array_fill(0, $this->m + $this->n, -1), \INF];
}
$result = [];
for ($j = 0; $j < $this->n; ++$j) {
$result[$this->Nonbasic[$j]] = 0;
}
for ($i = 0; $i < $this->m; ++$i) {
$result[$this->Basic[$i]] = $this->b[$i];
}
return [$result, $this->v];
}
}

View File

@ -125,8 +125,7 @@ final class HttpResponse extends ResponseAbstract implements RenderableInterface
}
}
/** @var array{0:bool} $data */
return $this->getRaw($data[0] ?? false);
return $this->getRaw(false);
}
/**

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@ -80,7 +80,7 @@ final class Rest
\curl_setopt($curl, \CURLOPT_POST, 1);
// handle different content types
$contentType = $requestHeaders['content-type'] ?? [];
$contentType = $requestHeaders['Content-Type'] ?? [];
if (empty($contentType) || \in_array(MimeType::M_POST, $contentType)) {
/* @phpstan-ignore-next-line */
\curl_setopt($curl, \CURLOPT_POSTFIELDS, \http_build_query($request->data));
@ -94,7 +94,7 @@ final class Rest
// @todo: Replace boundary/ with the correct boundary= in the future.
// Currently this cannot be done due to a bug. If we do it now the server cannot correclty populate php://input
$headers['content-type'] = 'Content-Type: multipart/form-data; boundary/' . $boundary;
$headers['Content-Type'] = 'Content-Type: multipart/form-data; boundary/' . $boundary;
$headers['content-length'] = 'Content-Length: ' . \strlen($data);
\curl_setopt($curl, \CURLOPT_HTTPHEADER, $headers);
@ -145,7 +145,7 @@ final class Rest
\curl_close($curl);
$raw = \substr(\is_bool($result) ? '' : $result, $len === false ? 0 : $len);
if (\stripos(\implode('', $response->header->get('content-type')), MimeType::M_JSON) !== false) {
if (\stripos(\implode('', $response->header->get('Content-Type')), MimeType::M_JSON) !== false) {
$temp = \json_decode($raw, true);
if (!\is_array($temp)) {
$temp = [];

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@ -2277,7 +2277,7 @@ class Email implements MessageInterface
'subject',
'reply-to',
'message-id',
'content-type',
'Content-Type',
'mime-version',
'x-mailer',
];

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@ -545,7 +545,6 @@ abstract class ModuleAbstract
mixed $obj
) : void
{
// @todo: consider to set different status code? (also for other createInvalid() functions)
$response->header->set('Content-Type', MimeType::M_JSON . '; charset=utf-8', true);
$response->data[$request->uri->__toString()] = [
'status' => NotificationLevel::WARNING,
@ -719,8 +718,6 @@ abstract class ModuleAbstract
*
* @return void
*
* @todo find a way to offload this to the cli in a different process (same for other similar functions)
*
* @since 1.0.0
*/
protected function createModel(int $account, mixed $obj, string | \Closure $mapper, string $trigger, string $ip) : void

View File

@ -0,0 +1,210 @@
<?php
/**
* Jingga
*
* PHP Version 8.1
*
* @package phpOMS\Stdlib\Tree
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\Stdlib\Tree;
/**
* Binary search tree.
*
* @package phpOMS\Stdlib\Tree
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*/
class BinarySearchTree
{
public ?Node $root = null;
public function __construct(Node $root = null)
{
$this->root = $root;
}
public function search(mixed $data) : ?Node
{
if ($this->root === null) {
return null;
}
$comparison = $this->root->compare($data);
if ($comparison > 0) {
return $this->root->left->search($data);
} elseif ($comparison < 0) {
return $this->root->right->search($data);
}
return $this->root;
}
public function minimum() : ?Node
{
if ($this->root === null) {
return null;
}
if ($this->root->left === null) {
return $this->root;
}
return $this->root->left->minimum();
}
public function maximum() : ?Node
{
if ($this->root === null) {
return null;
}
if ($this->root->right === null) {
return $this->root;
}
return $this->root->right->minimum();
}
public function predecessor(Node $node) : ?Node
{
if ($node->left !== null) {
return $node->left->maximum();
}
$top = $node->parent;
while ($top !== Null && $top->compare($node->data)) {
$node = $top;
$top = $top->parent;
}
return $top;
}
public function successor(Node $node) : ?Node
{
if ($node->right !== null) {
return $node->right->minimum();
}
$top = $node->parent;
while ($top !== null && $top->compare($node->data)) {
$node = $top;
$top = $top->parent;
}
return $top;
}
public function insert(Node $node) : void
{
if ($this->root === null) {
$new = new Node($node->key, $node->data);
$new->parent = null;
$new->tree = $this;
$this->root = $new;
return;
}
$current = $this->root;
while (true) {
$comparison = $node->compare($current->data);
if ($comparison < 0) {
if ($current->left === null) {
$BST = new BinarySearchTree();
$new = new Node($node->key, $node->data);
$new->parent = $current;
$new->tree = $BST;
$BST->root = $new;
$current->left = $BST;
} else {
$current = $current->left->root;
}
} elseif ($comparison > 0) {
if ($current->right === null) {
$BST = new BinarySearchTree();
$new = new Node($node->key, $node->data);
$new->parent = $current;
$new->tree = $BST;
$BST->root = $new;
$current->right = $BST;
} else {
$current = $current->right->root;
}
}
return;
}
}
public function delete(Node &$node) : void
{
if ($node->left === null && $node->right === null) {
if ($node->parent !== null) {
if ($node->parent->left !== null && $node->parent->left->root->compare($node->data) === 0) {
$node->parent->left = null;
} elseif ($node->parent->right !== null && $node->parent->right->root->compare($node) === 0) {
$node->parent->right = null;
}
}
$node = null;
return;
}
$temp = null;
if ($node->left === null) {
$temp = $node->right->root;
if ($node->parent !== null) {
if ($node->parent->left !== null && $node->parent->left->root->compare($node->data) === 0) {
$node->parent->left = $temp->tree;
} elseif ($node->parent->right !== null && $node->parent->right->root->compare($node->data) === 0) {
$node->parent->right = $temp->tree;
}
}
$temp->parent = $node->parent;
$node = null;
return;
}
if ($node->right === null) {
$temp = $node->left->root;
if ($node->parent !== null) {
if ($node->parent->left !== null && $node->parent->left->root->compare($node->data) === 0) {
$node->parent->left = $temp->tree;
} elseif ($node->parent->right !== null && $node->parent->right->root->compare($node->data) === 0) {
$node->parent->right = $temp->tree;
}
}
$temp->parent = $node->parent;
$node = null;
return;
} else {
$temp = $this->successor($node);
$node->key = $temp->key;
$node->data = $temp->data;
$this->delete($temp);
}
}
}

49
Stdlib/Tree/Node.php Normal file
View File

@ -0,0 +1,49 @@
<?php
/**
* Jingga
*
* PHP Version 8.1
*
* @package phpOMS\Stdlib\Tree
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\Stdlib\Tree;
/**
* Priority queue class.
*
* @package phpOMS\Stdlib\Tree
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*/
class Node
{
public string $key = '';
public mixed $data = null;
public ?BinarySearchTree $left = null;
public ?BinarySearchTree $right = null;
public ?self $parent = null;
public ?BinarySearchTree $tree = null;
public function __construct(string $key, mixed $data = null)
{
$this->key = $key;
$this->data = $data;
}
public function compare(mixed $data) : int
{
return $this->data <=> $data;
}
}

View File

@ -458,8 +458,6 @@ abstract class MimeType extends Enum
public const M_EVY = 'application/x-envoy';
public const M_EXE = 'application/x-msdownload';
public const M_EXI = 'application/exi';
public const M_EXT = 'application/vnd.novadigm.ext';
@ -2010,6 +2008,20 @@ abstract class MimeType extends Enum
public const M_123 = 'application/vnd.lotus-1-2-3';
public const M_PEXE = 'vnd.microsoft.portable-executable';
public const M_EXE = 'application/exe';
public const M_DEXE = 'application/dos-exe';
public const M_XEXE = 'application/x-winexe';
public const M_MDEXE = 'application/msdos-windows';
public const M_MSP = 'application/x-msdos-program';
public const M_XMDEXE = 'application/x-msdownload';
/**
* Get mime from file extension
*
@ -2036,7 +2048,6 @@ abstract class MimeType extends Enum
* @return null|string
*
* @since 1.0.0
* @todo continue implementation
*/
public static function mimeToExtension(string $mime) : ?string
{
@ -2046,6 +2057,10 @@ abstract class MimeType extends Enum
case self::M_JPEG:
case self::M_JPG:
return 'jpg';
case self::M_PNG:
return 'png';
case self::M_SVG:
return 'svg';
case self::M_BMP:
return 'bmp';
case self::M_GIF:
@ -2053,6 +2068,51 @@ abstract class MimeType extends Enum
case self::M_HTML:
case self::M_HTM:
return 'htm';
case self::M_DOCX:
return 'docx';
case self::M_DOC:
return 'doc';
case self::M_ODT:
return 'odt';
case self::M_XLSX:
return 'xlsx';
case self::M_XLA:
case self::M_XLS:
return 'xls';
case self::M_ODS:
return 'ods';
case self::M_PPTX:
return 'pptx';
case self::M_PPT:
return 'ppt';
case self::M_ODP:
return 'odp';
case self::M_CSV:
return 'csv';
case self::M_XML:
return 'xml';
case self::M_JSON:
return 'json';
case self::M_ZIP:
return 'zip';
case self::M_7Z:
return '7z';
case self::M_RAR:
return 'rar';
case self::M_TAR:
return 'tar';
case self::M_MP3:
return 'mp3';
case self::M_MP4:
return 'mp4';
case self::M_PEXE:
case self::M_EXE:
case self::M_DEXE:
case self::M_XEXE:
case self::M_MDEXE:
case self::M_MSP:
case self::M_XMDEXE:
return 'exe';
default:
return null;
}

View File

@ -17,6 +17,8 @@ namespace phpOMS\tests\Algorithm\Clustering;
use phpOMS\Algorithm\Clustering\Kmeans;
use phpOMS\Algorithm\Clustering\Point;
include __DIR__ . '/../../Autoloader.php';
/**
* @testdox phpOMS\tests\Algorithm\Clustering\KmeansTest: Clustering points/elements with the K-means algorithm
*
@ -34,6 +36,9 @@ final class KmeansTest extends \PHPUnit\Framework\TestCase
$seed = \mt_rand(\PHP_INT_MIN, \PHP_INT_MAX);
\mt_srand($seed);
// The following seed + putting the loop to 1 would fail the test
//\mt_srand(1788576141);
$result = false;
// due to the random nature this can be false sometimes?!