From e10b7cb121e2637ca0002ff91712f1353479f8f6 Mon Sep 17 00:00:00 2001
From: redaktor <api@redaktorcms.com>
Date: Thu, 20 Nov 2014 13:07:27 +0100
Subject: [PATCH] Floating number problem and multipleOf

Your fix was proposed in https://github.com/geraintluff/tv4/issues/167 and this is an according pull request.

This would close
https://github.com/geraintluff/tv4/issues/158 and https://github.com/geraintluff/tv4/issues/167 !
---
 tv4.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tv4.js b/tv4.js
index 2e08453..bf88e56 100644
--- a/tv4.js
+++ b/tv4.js
@@ -775,9 +775,11 @@ ValidatorContext.prototype.validateMultipleOf = function validateMultipleOf(data
 		return null;
 	}
 	if (typeof data === "number") {
-		if (data % multipleOf !== 0) {
-			return this.createError(ErrorCodes.NUMBER_MULTIPLE_OF, {value: data, multipleOf: multipleOf});
-		}
+        	var CLOSE_ENOUGH = Math.pow(2, -51);
+       		var remainder = (data/multipleOf)%1;
+        	if (!(remainder <= CLOSE_ENOUGH || remainder >= 1- CLOSE_ENOUGH)) {
+            		return this.createError(ErrorCodes.NUMBER_MULTIPLE_OF, {value: data, multipleOf: multipleOf});
+        	};
 	}
 	return null;
 };
@@ -1615,4 +1617,4 @@ tv4.tv4 = tv4;
 
 return tv4; // used by _header.js to globalise.
 
-}));
\ No newline at end of file
+}));