From 2a33cd8b5106fa40ae1992a732e6a95720ff1dfc Mon Sep 17 00:00:00 2001
From: "Wu, Ke" <wuke@cs.umd.edu>
Date: Fri, 10 Oct 2014 17:56:53 -0400
Subject: Eliminate compiler warnings

---
 utils/lbfgs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'utils/lbfgs.h')

diff --git a/utils/lbfgs.h b/utils/lbfgs.h
index ed5cd944..4d706f7a 100644
--- a/utils/lbfgs.h
+++ b/utils/lbfgs.h
@@ -1,6 +1,8 @@
 #ifndef _LBFGS_H_
 #define _LBFGS_H_
 
+#include <vector>
+
 // template<class FuncGrad>
 // std::vector<double>
 // perform_LBFGS(FuncGrad func_grad, const std::vector<double> & x0);
@@ -13,7 +15,6 @@ std::vector<double> perform_OWLQN(
     double (*func_grad)(const std::vector<double> &, std::vector<double> &),
     const std::vector<double> &x0, const double C);
 
-// const int    LBFGS_M = 7;
 const int LBFGS_M = 10;
 
 #endif
-- 
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