From e8d171bbd2a0680425ab0512f9019bfb0d7d6a70 Mon Sep 17 00:00:00 2001
From: xzl <zlx_hg@163.com>
Date: Fri, 21 Jul 2017 10:33:28 +0800
Subject: [PATCH] add check for groups and inputChannels

---
 paddle/function/DepthwiseConvOp.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/paddle/function/DepthwiseConvOp.cpp b/paddle/function/DepthwiseConvOp.cpp
index 9180c19b118..21084bedb44 100644
--- a/paddle/function/DepthwiseConvOp.cpp
+++ b/paddle/function/DepthwiseConvOp.cpp
@@ -125,6 +125,7 @@ public:
     size_t outputHeight = output[2];
     size_t outputWidth = output[3];
     size_t filterMultiplier = outputChannels / groups_;
+    CHECK_EQ(inputChannels, groups_);
 
     real* inputData = inputs[0].data<real>();
     real* filterData = inputs[1].data<real>();
@@ -187,6 +188,7 @@ public:
     size_t outputHeight = output[2];
     size_t outputWidth = output[3];
     size_t filterMultiplier = outputChannels / groups_;
+    CHECK_EQ(inputChannels, groups_);
 
     real* outputGrad = inputs[0].data<real>();
     real* filterData = inputs[1].data<real>();
@@ -248,6 +250,7 @@ public:
     size_t outputHeight = output[2];
     size_t outputWidth = output[3];
     size_t filterMultiplier = outputChannels / groups_;
+    CHECK_EQ(inputChannels, groups_);
 
     real* outputGrad = inputs[0].data<real>();
     real* inputData = inputs[1].data<real>();
-- 
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