From f0021afc71c6d16396cef54a8b08cd082eb37780 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Fri, 6 Feb 2015 16:35:23 +1100
Subject: [PATCH] fixed: add ostream operators

---
 fixed.cpp | 10 ++++++++++
 fixed.hpp |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/fixed.cpp b/fixed.cpp
index e2dd788e..64b2ef97 100644
--- a/fixed.cpp
+++ b/fixed.cpp
@@ -191,12 +191,22 @@ LOGIC_OP(<=)
 LOGIC_OP(>)
 LOGIC_OP(>=)
 
+///////////////////////////////////////////////////////////////////////////////
+// iostream operators
+template <unsigned I, unsigned E>
+std::ostream&
+util::operator<< (std::ostream &os, fixed<I,E> v)
+{
+    return os << v.to_double ();
+}
+
 
 ///////////////////////////////////////////////////////////////////////////////
 // Instantiations
 
 #define INSTANTIATE(I,E)                                                        \
 template class util::fixed<(I),(E)>;                                            \
+template std::ostream& util::operator<< (std::ostream&, fixed<(I),(E)>);        \
 template bool util::operator== (util::fixed<(I),(E)>, util::fixed<(I),(E)>);    \
 template bool util::operator!= (util::fixed<(I),(E)>, util::fixed<(I),(E)>);    \
 template bool util::operator<  (util::fixed<(I),(E)>, util::fixed<(I),(E)>);    \
diff --git a/fixed.hpp b/fixed.hpp
index a7e542f4..34902986 100644
--- a/fixed.hpp
+++ b/fixed.hpp
@@ -23,6 +23,7 @@
 #include "types/bits.hpp"
 
 #include <cstdint>
+#include <iostream>
 
 namespace util {
     template <unsigned I, unsigned E>
@@ -75,6 +76,10 @@ namespace util {
     template <unsigned I, unsigned E> bool operator<= (util::fixed<I,E>, util::fixed<I,E>);
     template <unsigned I, unsigned E> bool operator>  (util::fixed<I,E>, util::fixed<I,E>);
     template <unsigned I, unsigned E> bool operator>= (util::fixed<I,E>, util::fixed<I,E>);
+
+
+    template <unsigned I, unsigned E>
+    std::ostream& operator<< (std::ostream&, fixed<I,E>);
 }
 
 #endif // __UTIL_FIXED_HPP