From ac87c3ff531a91b5f99c23f08c8572de04520d79 Mon Sep 17 00:00:00 2001
From: Christian Helmrich <christian.helmrich@hhi.fraunhofer.de>
Date: Mon, 22 Jul 2019 17:17:16 +0200
Subject: [PATCH] prevent potential overflows in square(), fix suggested by A.
 Wieckowski

---
 source/Lib/CommonLib/TrQuant.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/Lib/CommonLib/TrQuant.cpp b/source/Lib/CommonLib/TrQuant.cpp
index d633033..3206bef 100644
--- a/source/Lib/CommonLib/TrQuant.cpp
+++ b/source/Lib/CommonLib/TrQuant.cpp
@@ -84,7 +84,7 @@ InvTrans *fastInvTrans[NUM_TRANS_TYPE][g_numTransformMatrixSizes] =
 //! \{
 
 #if JVET_O0105_ICT
-int64_t square( int d ) { return d*d; }
+static inline int64_t square( const int d ) { return d * (int64_t)d; }
 
 template<int signedMode> std::pair<int64_t,int64_t> fwdTransformCbCr( const PelBuf &resCb, const PelBuf &resCr, PelBuf& resC1, PelBuf& resC2 )
 {
-- 
GitLab