From 6f6588457b7330799e261c66c5514fd963ff8623 Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Tue, 19 Jan 2021 15:22:41 -0500
Subject: [PATCH] use streams instead of printf

---
 gtsam/base/Testable.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gtsam/base/Testable.h b/gtsam/base/Testable.h
index 92c464940..2145360df 100644
--- a/gtsam/base/Testable.h
+++ b/gtsam/base/Testable.h
@@ -33,9 +33,9 @@
 
 #pragma once
 
-#include <boost/shared_ptr.hpp>
 #include <boost/concept_check.hpp>
-#include <stdio.h>
+#include <boost/shared_ptr.hpp>
+#include <iostream>
 #include <string>
 
 #define GTSAM_PRINT(x)((x).print(#x))
@@ -72,10 +72,10 @@ namespace gtsam {
   }; // \ Testable
 
   inline void print(float v, const std::string& s = "") {
-    printf("%s%f\n",s.c_str(),v);
+    std::cout << (s == "" ? s : s + " ") << v << std::endl;
   }
   inline void print(double v, const std::string& s = "") {
-    printf("%s%lf\n",s.c_str(),v);
+    std::cout << (s == "" ? s : s + " ") << v << std::endl;
   }
 
   /** Call equal on the object */