From 4799ac41e39f92c33ec46efe777138fdc02292d8 Mon Sep 17 00:00:00 2001
From: Jack Huang <me@jackh.cn>
Date: Fri, 18 Apr 2025 16:40:48 +0800
Subject: [PATCH] Use decimal in multipleOf for the issue of accuracy

---
 jsonschema/_keywords.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jsonschema/_keywords.py b/jsonschema/_keywords.py
index f30f95419..738b2539f 100644
--- a/jsonschema/_keywords.py
+++ b/jsonschema/_keywords.py
@@ -1,3 +1,4 @@
+from decimal import Decimal
 from fractions import Fraction
 import re
 
@@ -169,7 +170,7 @@ def multipleOf(validator, dB, instance, schema):
         return
 
     if isinstance(dB, float):
-        quotient = instance / dB
+        quotient = Decimal(str(instance)) / Decimal(str(dB))
         try:
             failed = int(quotient) != quotient
         except OverflowError: