--- MITgcm/eesupp/inc/CPP_EEOPTIONS.h	1998/06/08 21:42:59	1.3
+++ MITgcm/eesupp/inc/CPP_EEOPTIONS.h	1998/06/22 15:26:24	1.5
@@ -1,4 +1,4 @@
-C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/eesupp/inc/CPP_EEOPTIONS.h,v 1.3 1998/06/08 21:42:59 cnh Exp $
+C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/eesupp/inc/CPP_EEOPTIONS.h,v 1.5 1998/06/22 15:26:24 adcroft Exp $
 C
 C     /==========================================================\
 C     | CPP_EEOPTIONS.h                                          |
@@ -23,6 +23,9 @@
 C     |       options set at compile time.                       |
 C     \==========================================================/
 
+#ifndef _CPP_EEOPTIONS_H_
+#define _CPP_EEOPTIONS_H_
+
 C     In general the following convention applies:
 C     ALLOW  - indicates an feature will be included but it may
 C     CAN      have a run-time flag to allow it to be switched
@@ -116,7 +119,7 @@
 C     boosting performance because of a smaller working
 C     set size. However, on vector CRAY systems this degrades
 C     performance.
-#define REAL4_IS_SLOW
+#undef  REAL4_IS_SLOW
  
 #ifdef REAL4_IS_SLOW
 #define real Real*8
@@ -173,4 +176,4 @@
 #define _d D
 #endif
 
-#define ALLOW_CD
+#endif /* _CPP_EEOPTIONS_H_ */