From 04e319ac588ebfb71fabb5cf86cb1c58e89903cf Mon Sep 17 00:00:00 2001
From: Alexander Voigt <Alexander.Voigt@desy.de>
Date: Mon, 11 Jul 2016 12:05:19 +0200
Subject: [PATCH] use cout instead of printf

in order to be able to redirect cout using rdbuf()
---
 src/minimizer.hpp   | 2 +-
 src/root_finder.hpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/minimizer.hpp b/src/minimizer.hpp
index 0719d6f22..512f2e320 100644
--- a/src/minimizer.hpp
+++ b/src/minimizer.hpp
@@ -210,7 +210,7 @@ int Minimizer<dimension>::minimize(const double start[dimension])
    } while (status == GSL_CONTINUE && iter < max_iterations);
 
 #ifdef ENABLE_VERBOSE
-   printf("\tMinimization status = %s\n", gsl_strerror(status));
+   std::cout << "\tMinimization status = " << gsl_strerror(status) << '\n';
 #endif
 
    // save minimum point and function value
diff --git a/src/root_finder.hpp b/src/root_finder.hpp
index 2fa08e2fa..a189e026d 100644
--- a/src/root_finder.hpp
+++ b/src/root_finder.hpp
@@ -209,7 +209,7 @@ int Root_finder<dimension>::find_root(const double start[dimension])
    } while (status == GSL_CONTINUE && iter < max_iterations);
 
 #ifdef ENABLE_VERBOSE
-   printf("\tRoot_finder status = %s\n", gsl_strerror(status));
+   std::cout << "\tRoot_finder status = " << gsl_strerror(status) << '\n';
 #endif
 
    gsl_vector_memcpy(root, solver->x);