init

lib/PhpSpreadsheet/Calculation/Statistical/Distributions/DistributionValidations.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception;
+use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
+use PhpOffice\PhpSpreadsheet\Calculation\Statistical\StatisticalValidations;
+
+class DistributionValidations extends StatisticalValidations
+{
+    public static function validateProbability(mixed $probability): float
+    {
+        $probability = self::validateFloat($probability);
+
+        if ($probability < 0.0 || $probability > 1.0) {
+            throw new Exception(ExcelError::NAN());
+        }
+
+        return $probability;
+    }
+}