From f16f5d1e739b4759b4073df21deeb0df3ebb3039 Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Sun, 12 Mar 2017 23:18:33 -0700
Subject: [PATCH] Add minus_one for radix51

---
 src/field.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/field.rs b/src/field.rs
index 8b448c9..0933d5c 100644
--- a/src/field.rs
+++ b/src/field.rs
@@ -373,6 +373,10 @@ impl FieldElement {
     pub fn minus_one() -> FieldElement {
         FieldElement([-1, 0, 0, 0, 0, 0, 0, 0, 0, 0 ])
     }
+    #[cfg(feature="radix_51")]
+    pub fn minus_one() -> FieldElement {
+        FieldElement([2251799813685228, 2251799813685247, 2251799813685247, 2251799813685247, 2251799813685247])
+    }
 
     #[cfg(feature="radix_25_5")]
     fn combine_coeffs(input: &[i64;10]) -> FieldElement { //FeCombine