Putting back Peters change for Alpha

diff --git a/HBTAN/AliHBTCrab.h b/HBTAN/AliHBTCrab.h
index eb1bb4232ad94b15090d4ecbbc02b25083495f91..fe344148bcdea8378cc57b8bc7db73449e3ceb15 100644 (file)
--- a/HBTAN/AliHBTCrab.h
+++ b/HBTAN/AliHBTCrab.h
@@ -11,9 +11,15 @@
 
 #include "AliHBTWeights.h"
 
-class Complex;
-typedef Complex double_complex;
-
+#ifdef __DECCXX
+ #include <complex.h>
+#else
+ class Complex;
+ typedef Complex double_complex;
+#endif
+ 
+#include <math.h>
+ 
 class AliHBTPair;
 
 class AliHBTCrab: public AliHBTWeights