php-ai / php-ml

src/NeuralNetwork/ActivationFunction/Gaussian.php

Spacing +1 added lines, -1 removed lines

@@ -13,7 +13,7 @@
      */
     public function compute($value): float
     {
-        return exp(- $value ** 2);
+        return exp(-$value ** 2);
     }
 
     /**

src/Math/Statistic/Correlation.php

Spacing +1 added lines, -1 removed lines

@@ -36,6 +36,6 @@
             $b2 += $b ** 2;
         }
 
-        return $axb / ($a2 * $b2) ** (1/2);
+        return $axb / ($a2 * $b2) ** (1 / 2);
     }
 }