From 48eb5ff01f035ceb56f37136623aaa3d30d2fb2e Mon Sep 17 00:00:00 2001
From: xuwei06 <xuwei06@baidu.com>
Date: Fri, 16 Sep 2016 14:57:02 -0700
Subject: [PATCH] Fix signed/unsigned comparison for gcc 4.9

---
 paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp b/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp
index bf7aa1c8d8..bee82faa5f 100644
--- a/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp
+++ b/paddle/gserver/gradientmachines/RecurrentGradientMachine.cpp
@@ -676,7 +676,8 @@ void RecurrentGradientMachine::createInFrameInfo(int inlinkId,
   if (hasSubseq) {
     // inFrameLine create sequenceStartPositions one time
     CHECK_EQ(sequenceStartPositions.size(),
-             maxSequenceLength_ + input.getNumSubSequences());
+             static_cast<size_t>(maxSequenceLength_ +
+                                 input.getNumSubSequences()));
     CHECK_EQ(inlinkInfo->seqStartPosIndex.size(),
              static_cast<size_t>(maxSequenceLength_ + 1));
     createSeqPos(sequenceStartPositions, &inlinkInfo->sequenceStartPositions);
-- 
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