From b1ef09c6c4bcbb24caea6db3868f2e54d6086111 Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Mon, 22 Jul 2019 19:46:32 +0900
Subject: [PATCH] fix GLV1::mul(0)

---
 include/mcl/gmp_util.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/mcl/gmp_util.hpp b/include/mcl/gmp_util.hpp
index 3da87e4..384c052 100644
--- a/include/mcl/gmp_util.hpp
+++ b/include/mcl/gmp_util.hpp
@@ -651,6 +651,7 @@ void getNAFwidth(bool *pb, Vec& naf, mpz_class x, size_t w)
 			naf[i] = -naf[i];
 		}
 	}
+	*pb = true;
 }
 
 #ifndef CYBOZU_DONT_USE_EXCEPTION