Use C++11 'nullptr' where applicable.

[ginac.git] / ginac / basic.h

diff --git a/ginac/basic.h b/ginac/basic.h
index ff799ffe8bb828616bdc9bb9db48081b27a4fd35..f11db911aee78ff3cf193819be6771db3b521abc 100644 (file)
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -310,7 +310,7 @@ extern int max_recursion_level;
 template <class T>
 inline bool is_a(const basic &obj)
 {
-       return dynamic_cast<const T *>(&obj) != 0;
+       return dynamic_cast<const T *>(&obj) != nullptr;
 }
 
 /** Check if obj is a T, not including base classes. */