From 84ddb6b6fa01f4e9a531b546b89cdd0a56ed49d5 Mon Sep 17 00:00:00 2001
From: Myzel394 <50424412+Myzel394@users.noreply.github.com>
Date: Sun, 21 Jul 2024 19:04:38 +0200
Subject: [PATCH] fix(evaluator)!: Throw exception when trying to do 0^0

Signed-off-by: Myzel394 <50424412+Myzel394@users.noreply.github.com>
---
 .../main/java/io/github/sadellie/evaluatto/Expression.kt  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/data/evaluatto/src/main/java/io/github/sadellie/evaluatto/Expression.kt b/data/evaluatto/src/main/java/io/github/sadellie/evaluatto/Expression.kt
index 39197b5b..354e96d1 100644
--- a/data/evaluatto/src/main/java/io/github/sadellie/evaluatto/Expression.kt
+++ b/data/evaluatto/src/main/java/io/github/sadellie/evaluatto/Expression.kt
@@ -216,7 +216,13 @@ class Expression(
 
         // Power
         if (moveIfMatched(Token.Operator.power)) {
-            expr = expr.pow(parseFactor())
+            val factor = parseFactor()
+
+            if (factor.compareTo(BigDecimal.ZERO) == 0) {
+                throw ExpressionException.BadExpression()
+            }
+
+            expr = expr.pow(factor)
         }
 
         // Modulo