From b95ab24f367baf928332dc5040ab444c1c719623 Mon Sep 17 00:00:00 2001
From: Bruce Wells <brucekwells@gmail.com>
Date: Tue, 19 May 2020 22:36:55 -0400
Subject: setDivisionByZeroIsZero

---
 src/NXP/MathExecutor.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/NXP/MathExecutor.php')

diff --git a/src/NXP/MathExecutor.php b/src/NXP/MathExecutor.php
index 0b7e9db..e214209 100644
--- a/src/NXP/MathExecutor.php
+++ b/src/NXP/MathExecutor.php
@@ -468,6 +468,22 @@ class MathExecutor
         return $this->tokenFactory->getFunctions();
     }
 
+    /**
+     * Set division by zero returns zero instead of throwing DivisionByZeroException
+     *
+     * @return MathExecutor
+     */
+    public function setDivisionByZeroIsZero() : self
+    {
+        $this->addOperator(new Operator("/", false, 180, function ($a, $b) {
+            if ($b == 0) {
+                return 0;
+            }
+            return $a / $b;
+        }));
+        return $this;
+    }
+
     public function __clone()
     {
         $this->addDefaults();
-- 
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