From 7435c6153d399ab53a84e8d2f326b4bcffbc21bb Mon Sep 17 00:00:00 2001
From: Ivan Ukhov <ivan.ukhov@gmail.com>
Date: Wed, 1 Jul 2015 08:07:28 -0400
Subject: [PATCH] Make use of is_power_of_two

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 2a73883..7528090 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,7 @@ extern crate complex as number;
 macro_rules! power_of_two(
     ($data:expr) => ({
         let n = $data.len();
-        if n < 1 || n & (n - 1) != 0 {
+        if !n.is_power_of_two() {
             panic!("expected the number of points to be a power of two");
         }
         n