C++: include <cmath> for NAN.

diff --git a/bindings/cxx/classes.cpp b/bindings/cxx/classes.cpp
index ec9b6d8f289e8bddd5825fe3b3b33601951f066a..42ef6e7d4019fde915a1d9f6f56e3567cbd908f6 100644 (file)
--- a/bindings/cxx/classes.cpp
+++ b/bindings/cxx/classes.cpp
@@ -20,6 +20,7 @@
 #include "libsigrok/libsigrok.hpp"
 
 #include <sstream>
+#include <cmath>
 
 namespace sigrok
 {