From 19460da81771f308b9cc16a4258c48941eebb122 Mon Sep 17 00:00:00 2001
From: Tolmachev Arseny <eiennohito@gmail.com>
Date: Sun, 21 Dec 2014 12:07:59 +0900
Subject: [PATCH] using forward declarations for iostream

It is better for libraries to use forward declarations
instead of full headers.
---
 include/pcg_random.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/pcg_random.hpp b/include/pcg_random.hpp
index 3f04d85..c04c115 100644
--- a/include/pcg_random.hpp
+++ b/include/pcg_random.hpp
@@ -81,7 +81,7 @@
 #include <cstring>
 #include <cassert>
 #include <limits>
-#include <iostream>
+#include <iosfwd>
 #include <type_traits>
 #include <utility>
 #include <locale>