/[MITgcm]/MITgcm/eesupp/inc/CPP_EEOPTIONS.h
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revision 1.1 by cnh, Wed Apr 22 19:15:30 1998 UTC revision 1.6 by adcroft, Mon Jun 22 16:24:50 1998 UTC
# Line 1  Line 1 
1  C $Id$  C $Header$
2  C  C
3  C     /==========================================================\  C     /==========================================================\
4  C     | CPP_EEOPTIONS.h                                          |  C     | CPP_EEOPTIONS.h                                          |
# Line 23  C     |       identified, rebuild the co Line 23  C     |       identified, rebuild the co
23  C     |       options set at compile time.                       |  C     |       options set at compile time.                       |
24  C     \==========================================================/  C     \==========================================================/
25    
26    #ifndef _CPP_EEOPTIONS_H_
27    #define _CPP_EEOPTIONS_H_
28    
29  C     In general the following convention applies:  C     In general the following convention applies:
30  C     ALLOW  - indicates an feature will be included but it may  C     ALLOW  - indicates an feature will be included but it may
31  C     CAN      have a run-time flag to allow it to be switched  C     CAN      have a run-time flag to allow it to be switched
# Line 95  C     it alone execute the BEGIN_MASTER. Line 98  C     it alone execute the BEGIN_MASTER.
98  #define _END_MASTER(a)    ENDIF  #define _END_MASTER(a)    ENDIF
99    
100  C--   Control MPI based parallel processing  C--   Control MPI based parallel processing
101  #undef  ALLOW_USE_MPI  #define ALLOW_USE_MPI
102  #undef  ALWAYS_USE_MPI  #define ALWAYS_USE_MPI
103    
104  C--   Control use of communication that might overlap computation.  C--   Control use of communication that might overlap computation.
105  C     Under MPI selects/deselects "non-blocking" sends and receives.  C     Under MPI selects/deselects "non-blocking" sends and receives.
# Line 116  C     can use 4-byte precision, reducing Line 119  C     can use 4-byte precision, reducing
119  C     boosting performance because of a smaller working  C     boosting performance because of a smaller working
120  C     set size. However, on vector CRAY systems this degrades  C     set size. However, on vector CRAY systems this degrades
121  C     performance.  C     performance.
122  #define REAL4_IS_SLOW  #undef  REAL4_IS_SLOW
123    
124  #ifdef REAL4_IS_SLOW  #ifdef REAL4_IS_SLOW
125  #define real Real*8  #define real Real*8
# Line 172  C     precision when they see .Dnn which Line 175  C     precision when they see .Dnn which
175  #ifndef REAL_D0_IS_16BYTES  #ifndef REAL_D0_IS_16BYTES
176  #define _d D  #define _d D
177  #endif  #endif
178    
179    #endif /* _CPP_EEOPTIONS_H_ */
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