From 474a36da49dddac4d9cd9bda766b5d430fc8d247 Mon Sep 17 00:00:00 2001
From: Wanping Lee <wanping@template.sbgenomics.com>
Date: Mon, 2 May 2016 22:29:19 +0000
Subject: [PATCH] iFix the bug of N penalty.

---
 src/ssw_cpp.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ssw_cpp.cpp b/src/ssw_cpp.cpp
index 581179f..7bd3beb 100644
--- a/src/ssw_cpp.cpp
+++ b/src/ssw_cpp.cpp
@@ -38,12 +38,12 @@ void BuildSwScoreMatrix(const uint8_t& match_score,
       matrix[id] = ((i == j) ? match_score : static_cast<int8_t>(-mismatch_penalty));
       ++id;
     }
-    matrix[id] = -mismatch_penalty; // For N
+    matrix[id] = static_cast<int8_t>(-mismatch_penalty); // For N
     ++id;
   }
 
   for (int i = 0; i < 5; ++i)
-    matrix[id++] = -mismatch_penalty; // For N
+    matrix[id++] = static_cast<int8_t>(-mismatch_penalty); // For N
 
 }