From 7fa27b60073bc5e0fa237ecbf35a27cec93e58fc Mon Sep 17 00:00:00 2001
From: Josh Stone <cuviper@gmail.com>
Date: Sun, 22 Oct 2017 15:36:33 -0700
Subject: [PATCH] bigint::monty: simplify redc return value

---
 bigint/src/monty.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/bigint/src/monty.rs b/bigint/src/monty.rs
index 59d160f..2c427b4 100644
--- a/bigint/src/monty.rs
+++ b/bigint/src/monty.rs
@@ -81,14 +81,13 @@ fn monty_redc(a: BigUint, mr: &MontyReducer) -> BigUint {
 
     // 4: R <- C * β^(-n)
     // This is an n-word bitshift, equivalent to skipping n words.
-    let r : Vec<u32> = c.iter().skip(n_size).cloned().collect();
-    let ret = BigUint::new(r);
+    let ret = BigUint::new(c[n_size..].to_vec());
 
     // 5: if R >= β^n then return R-N else return R.
     if &ret < mr.p {
         ret
     } else {
-        &ret-mr.p
+        ret - mr.p
     }
 }