From 71b2e0627cd257104837b29c15c4cd88126b392a Mon Sep 17 00:00:00 2001
From: David Hewson <dev@daveid.co.uk>
Date: Wed, 6 Jan 2016 17:02:21 +0000
Subject: [PATCH] Benchmark pow on BigUint (from #152)

---
 benches/bigint.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/benches/bigint.rs b/benches/bigint.rs
index 2e7321a..cafe93e 100644
--- a/benches/bigint.rs
+++ b/benches/bigint.rs
@@ -188,3 +188,16 @@ fn hash(b: &mut Bencher) {
         assert_eq!(h.len(), v.len());
     });
 }
+
+#[bench]
+fn pow_bench(b: &mut Bencher) {
+    b.iter(|| {
+        let upper = 250_usize;
+        for i in 2..upper + 1 {
+            for j in 2..upper + 1 {
+                let i_big = BigUint::from_usize(i).unwrap();
+                num::pow(i_big, j);
+            }
+        }
+    });
+}