  
 diff -rupN qd-2.3.13-unpatched/src/dd_real.cpp qd-2.3.13-patched/src/dd_real.cpp
 --- qd-2.3.13-unpatched/src/dd_real.cpp	2011-07-29 15:55:54.000000000 -0700
-+++ qd-2.3.13-patched/src/dd_real.cpp	2013-01-24 13:09:12.000000000 -0800
++++ qd-2.3.13-patched/src/dd_real.cpp	2013-01-24 15:42:02.000000000 -0800
 @@ -37,6 +37,62 @@ using std::ios_base;
  using std::string;
  using std::setw;

 
diff -rupN qd-2.3.13-unpatched/include/qd/qd_inline.h qd-2.3.13-patched/include/qd/qd_inline.h
--- qd-2.3.13-unpatched/include/qd/qd_inline.h	2009-12-28 19:03:35.000000000 -0800
+++ qd-2.3.13-patched/include/qd/qd_inline.h	2013-01-24 13:07:51.000000000 -0800
@@ -435,6 +435,11 @@ inline qd_real &qd_real::operator+=(cons
   return *this;
 }

   if (msg) { cerr << "ERROR " << msg << endl; }
diff -rupN qd-2.3.13-unpatched/src/qd_real.cpp qd-2.3.13-patched/src/qd_real.cpp
--- qd-2.3.13-unpatched/src/qd_real.cpp	2011-07-29 16:45:47.000000000 -0700
+++ qd-2.3.13-patched/src/qd_real.cpp	2013-01-24 15:42:02.000000000 -0800
@@ -43,6 +43,57 @@ void qd_real::error(const char *msg) {
   if (msg) { cerr << "ERROR " << msg << endl; }
 }
