From f634899f44fda89692e12b8114889838f50a73d8 Mon Sep 17 00:00:00 2001
From: Kai Li <kaili_kloud@163.com>
Date: Tue, 25 Feb 2014 19:21:18 +0800
Subject: [PATCH] Instantiate caffe_cpu_sign for float and double

---
 src/caffe/util/math_functions.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/caffe/util/math_functions.cpp b/src/caffe/util/math_functions.cpp
index 04a5228..bf24488 100644
--- a/src/caffe/util/math_functions.cpp
+++ b/src/caffe/util/math_functions.cpp
@@ -410,4 +410,10 @@ void caffe_gpu_asum<double>(const int n, const double* x, double* y) {
   CUBLAS_CHECK(cublasDasum(Caffe::cublas_handle(), n, x, 1, y));
 }
 
+template <>
+void caffe_cpu_sign<float>(const int n, const float* x, float* y);
+
+template <>
+void caffe_cpu_sign<double>(const int n, const double* x, double* y);
+
 }  // namespace caffe
-- 
2.7.4