From 27645c234a6f24a0759b0f7e11e307a12ea82ca0 Mon Sep 17 00:00:00 2001
From: Stefan Thomas <justmoon@members.fsf.org>
Date: Sun, 11 May 2014 01:54:15 -0700
Subject: [PATCH] [CHORE] Currency: JavaScript has Math.exp for e^x, so we
 should use it.

---
 src/js/ripple/currency.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/ripple/currency.js b/src/js/ripple/currency.js
index 566be643..2e812b30 100644
--- a/src/js/ripple/currency.js
+++ b/src/js/ripple/currency.js
@@ -179,7 +179,7 @@ Currency.prototype.get_interest_at = function (referenceDate) {
     referenceDate = utils.fromTimestamp(referenceDate.getTime());
   }
 
-  return Math.pow(Math.E, (referenceDate - this._interest_start) / this._interest_period);
+  return Math.exp((referenceDate - this._interest_start) / this._interest_period);
 };
 
 // XXX Currently we inherit UInt.prototype.is_valid, which is mostly fine.