global_ocean.90x40x15/code_ad/CD_CODE_OPTIONS.h

C $Header: /u/gcmpack/MITgcm/verification/global_ocean.90x40x15/code_ad/CD_CODE_OPTIONS.h,v 1.2 2011/12/24 01:17:51 jmc Exp $
C $Name:  $

C CPP options file for CD_CODE package
C Use this file for selecting CPP options within the cd_code package

#ifndef CD_CODE_OPTIONS_H
#define CD_CODE_OPTIONS_H
#include "PACKAGES_CONFIG.h"
#include "CPP_OPTIONS.h"

#ifdef ALLOW_CD_CODE
C     Package-specific Options & Macros go here

C Change defaut to get the same time-stepping for D-grid momentum and
C  C-grid momentum. D-grid velocity used to be stepped forward in time
C  with Adams-Bashforth only on surface pressure term. Tests show that
C  using AB on D-grid coriolis term improves stability (as expected from
C  CD-scheme paper). The following 2 options allow to reproduce old results.
#define CD_CODE_NO_AB_MOMENTUM
#define CD_CODE_NO_AB_CORIOLIS

#endif /* ALLOW_CD_CODE */
#endif /* CD_CODE_OPTIONS_H */
1	C $Header: /u/gcmpack/MITgcm/verification/global_ocean.90x40x15/code_ad/CD_CODE_OPTIONS.h,v 1.2 2011/12/24 01:17:51 jmc Exp $
2	C $Name: $
3
4	C CPP options file for CD_CODE package
5	C Use this file for selecting CPP options within the cd_code package
6
7	#ifndef CD_CODE_OPTIONS_H
8	#define CD_CODE_OPTIONS_H
9	#include "PACKAGES_CONFIG.h"
10	#include "CPP_OPTIONS.h"
11
12	#ifdef ALLOW_CD_CODE
13	C Package-specific Options & Macros go here
14
15	C Change defaut to get the same time-stepping for D-grid momentum and
16	C C-grid momentum. D-grid velocity used to be stepped forward in time
17	C with Adams-Bashforth only on surface pressure term. Tests show that
18	C using AB on D-grid coriolis term improves stability (as expected from
19	C CD-scheme paper). The following 2 options allow to reproduce old results.
20	#define CD_CODE_NO_AB_MOMENTUM
21	#define CD_CODE_NO_AB_CORIOLIS
22
23	#endif /* ALLOW_CD_CODE */
24	#endif /* CD_CODE_OPTIONS_H */