From 886e4becc2fffb7ec5e8313e154a4da9ad6988cd Mon Sep 17 00:00:00 2001
From: liaogang <liaogang@baidu.com>
Date: Mon, 8 May 2017 10:49:37 +0800
Subject: [PATCH] fix gpu_img_conv2 float precision issue

---
 paddle/gserver/tests/test_NetworkCompare.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/paddle/gserver/tests/test_NetworkCompare.cpp b/paddle/gserver/tests/test_NetworkCompare.cpp
index 4db30f37a5b..ff1c195cee6 100644
--- a/paddle/gserver/tests/test_NetworkCompare.cpp
+++ b/paddle/gserver/tests/test_NetworkCompare.cpp
@@ -261,9 +261,12 @@ TEST(Compare, img_conv2) {
   std::string config_file_a = "./gserver/tests/img_conv_a.conf";
   std::string config_file_b = "./gserver/tests/img_conv_c.conf";
   bool useGpu = FLAGS_use_gpu;
+  double eps = FLAGS_checkgrad_eps;
   FLAGS_use_gpu = true;
+  FLAGS_checkgrad_eps = 1e-3;
   compareNetwork(config_file_a, config_file_b);
   FLAGS_use_gpu = useGpu;
+  FLAGS_checkgrad_eps = eps;
 }
 #endif
 
-- 
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