extract Math namespace

src/Phpml/Classifier/KNearestNeighbors.php

@@ -6,8 +6,8 @@ namespace Phpml\Classifier;
 
 use Phpml\Classifier\Traits\Predictable;
 use Phpml\Classifier\Traits\Trainable;
-use Phpml\Metric\Distance;
-use Phpml\Metric\Distance\Euclidean;
+use Phpml\Math\Distance;
+use Phpml\Math\Distance\Euclidean;
 
 class KNearestNeighbors implements Classifier
 {

src/Phpml/Classifier/SupportVectorMachine.php

@@ -11,6 +11,41 @@ class SupportVectorMachine implements Classifier
 {
     use Trainable, Predictable;
 
+    /**
+     * @var float
+     */
+    private $gamma;
+
+    /**
+     * @var float
+     */
+    private $epsilon;
+
+    /**
+     * @var float
+     */
+    private $tolerance;
+
+    /**
+     * @var int
+     */
+    private $upperBound;
+
+    /**
+     * @param float $gamma
+     * @param float $epsilon
+     * @param float $tolerance
+     * @param int $upperBound
+     */
+    public function __construct(float $gamma = .5, float $epsilon = .001, float $tolerance = .001, int $upperBound = 100)
+    {
+        $this->gamma = $gamma;
+        $this->epsilon = $epsilon;
+        $this->tolerance = $tolerance;
+        $this->upperBound = $upperBound;
+    }
+
+
     /**
      * @param array $sample
      *

src/Phpml/Math/Distance.php

@@ -2,7 +2,7 @@
 
 declare (strict_types = 1);
 
-namespace Phpml\Metric;
+namespace Phpml\Math;
 
 interface Distance
 {

src/Phpml/Math/Distance/Chebyshev.php

@@ -2,10 +2,10 @@
 
 declare (strict_types = 1);
 
-namespace Phpml\Metric\Distance;
+namespace Phpml\Math\Distance;
 
 use Phpml\Exception\InvalidArgumentException;
-use Phpml\Metric\Distance;
+use Phpml\Math\Distance;
 
 class Chebyshev implements Distance
 {

src/Phpml/Math/Distance/Euclidean.php

@@ -2,10 +2,10 @@
 
 declare (strict_types = 1);
 
-namespace Phpml\Metric\Distance;
+namespace Phpml\Math\Distance;
 
 use Phpml\Exception\InvalidArgumentException;
-use Phpml\Metric\Distance;
+use Phpml\Math\Distance;
 
 class Euclidean implements Distance
 {

src/Phpml/Math/Distance/Manhattan.php

@@ -2,10 +2,10 @@
 
 declare (strict_types = 1);
 
-namespace Phpml\Metric\Distance;
+namespace Phpml\Math\Distance;
 
 use Phpml\Exception\InvalidArgumentException;
-use Phpml\Metric\Distance;
+use Phpml\Math\Distance;
 
 class Manhattan implements Distance
 {

src/Phpml/Math/Distance/Minkowski.php

@@ -2,10 +2,10 @@
 
 declare (strict_types = 1);
 
-namespace Phpml\Metric\Distance;
+namespace Phpml\Math\Distance;
 
 use Phpml\Exception\InvalidArgumentException;
-use Phpml\Metric\Distance;
+use Phpml\Math\Distance;
 
 class Minkowski implements Distance
 {

tests/Phpml/Classifier/KNearestNeighborsTest.php

@@ -5,7 +5,7 @@ declare (strict_types = 1);
 namespace tests\Classifier;
 
 use Phpml\Classifier\KNearestNeighbors;
-use Phpml\Metric\Distance\Chebyshev;
+use Phpml\Math\Distance\Chebyshev;
 
 class KNearestNeighborsTest extends \PHPUnit_Framework_TestCase
 {

tests/Phpml/Math/Distance/ChebyshevTest.php

@@ -4,7 +4,7 @@ declare (strict_types = 1);
 
 namespace tests\Phpml\Metric;
 
-use Phpml\Metric\Distance\Chebyshev;
+use Phpml\Math\Distance\Chebyshev;
 
 class ChebyshevTest extends \PHPUnit_Framework_TestCase
 {

tests/Phpml/Math/Distance/EuclideanTest.php

@@ -4,7 +4,7 @@ declare (strict_types = 1);
 
 namespace tests\Phpml\Metric;
 
-use Phpml\Metric\Distance\Euclidean;
+use Phpml\Math\Distance\Euclidean;
 
 class EuclideanTest extends \PHPUnit_Framework_TestCase
 {

tests/Phpml/Math/Distance/ManhattanTest.php

@@ -4,7 +4,7 @@ declare (strict_types = 1);
 
 namespace tests\Phpml\Metric;
 
-use Phpml\Metric\Distance\Manhattan;
+use Phpml\Math\Distance\Manhattan;
 
 class ManhattanTest extends \PHPUnit_Framework_TestCase
 {

tests/Phpml/Math/Distance/MinkowskiTest.php

@@ -4,7 +4,7 @@ declare (strict_types = 1);
 
 namespace tests\Phpml\Metric;
 
-use Phpml\Metric\Distance\Minkowski;
+use Phpml\Math\Distance\Minkowski;
 
 class MinkowskiTest extends \PHPUnit_Framework_TestCase
 {