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CPP_OPTIONS.h
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CPP_OPTIONS.h
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C $Header: /u/gcmpack/MITgcm/model/inc/CPP_OPTIONS.h,v 1.53 2014/08/07 21:00:17 jmc Exp $
C $Name: $
#ifndef CPP_OPTIONS_H
#define CPP_OPTIONS_H
CBOP
C !ROUTINE: CPP_OPTIONS.h
C !INTERFACE:
C #include "CPP_OPTIONS.h"
C !DESCRIPTION:
C *==================================================================*
C | main CPP options file for the model:
C | Control which optional features to compile in model/src code.
C *==================================================================*
CEOP
C CPP flags controlling particular source code features
C o Shortwave heating as extra term in external_forcing.F
C Note: this should be a run-time option
#define SHORTWAVE_HEATING
C o Include/exclude Geothermal Heat Flux at the bottom of the ocean
#undef ALLOW_GEOTHERMAL_FLUX
C o Include/exclude phi_hyd calculation code
#define INCLUDE_PHIHYD_CALCULATION_CODE
C o Include/exclude call to S/R CONVECT
#define INCLUDE_CONVECT_CALL
C o Include/exclude call to S/R CALC_DIFFUSIVITY
#define INCLUDE_CALC_DIFFUSIVITY_CALL
C o Allow full 3D specification of vertical diffusivity
#undef ALLOW_3D_DIFFKR
C o Allow latitudinally varying BryanLewis79 vertical diffusivity
#undef ALLOW_BL79_LAT_VARY
C o Include/exclude Implicit vertical advection code
#define INCLUDE_IMPLVERTADV_CODE
C o Include/exclude AdamsBashforth-3rd-Order code
#undef ALLOW_ADAMSBASHFORTH_3
C o Include/exclude nonHydrostatic code
#define ALLOW_NONHYDROSTATIC
C o Allow to account for heating due to friction (and momentum dissipation)
#undef ALLOW_FRICTION_HEATING
C o Allow mass source or sink of Fluid in the interior
C (3-D generalisation of oceanic real-fresh water flux)
#undef ALLOW_ADDFLUID
C o Include pressure loading code
#undef ATMOSPHERIC_LOADING
C o exclude/allow external forcing-fields load
C this allows to read & do simple linear time interpolation of oceanic
C forcing fields, if no specific pkg (e.g., EXF) is used to compute them.
#undef EXCLUDE_FFIELDS_LOAD
C o Include/exclude balancing surface forcing fluxes code
#undef ALLOW_BALANCE_FLUXES
C o Include/exclude balancing surface forcing relaxation code
#undef ALLOW_BALANCE_RELAX
C o Include/exclude GM-like eddy stress in momentum code
#undef ALLOW_EDDYPSI
C o Use "Exact Convervation" of fluid in Free-Surface formulation
C so that d/dt(eta) is exactly equal to - Div.Transport
#define EXACT_CONSERV
C o Allow the use of Non-Linear Free-Surface formulation
C this implies that surface thickness (hFactors) vary with time
#define NONLIN_FRSURF
C o Include/exclude code for single reduction Conjugate-Gradient solver
#define ALLOW_SRCG
C o Choices for implicit solver routines solve_*diagonal.F
C The following has low memory footprint, but not suitable for AD
#undef SOLVE_DIAGONAL_LOWMEMORY
C The following one suitable for AD but does not vectorize
#undef SOLVE_DIAGONAL_KINNER
C o ALLOW isotropic scaling of harmonic and bi-harmonic terms when
C using an locally isotropic spherical grid with (dlambda) x (dphi*cos(phi))
C *only for use on a lat-lon grid*
C Setting this flag here affects both momentum and tracer equation unless
C it is set/unset again in other header fields (e.g., GAD_OPTIONS.h).
C The definition of the flag is commented to avoid interference with
C such other header files.
C The preferred method is specifying a value for viscAhGrid or viscA4Grid
C in data which is then automatically scaled by the grid size;
C the old method of specifying viscAh/viscA4 and this flag is provided
C for completeness only (and for use with the adjoint).
C#define ISOTROPIC_COS_SCALING
C o This flag selects the form of COSINE(lat) scaling of bi-harmonic term.
C *only for use on a lat-lon grid*
C Has no effect if ISOTROPIC_COS_SCALING is undefined.
C Has no effect on vector invariant momentum equations.
C Setting this flag here affects both momentum and tracer equation unless
C it is set/unset again in other header fields (e.g., GAD_OPTIONS.h).
C The definition of the flag is commented to avoid interference with
C such other header files.
C#define COSINEMETH_III
C o Use "OLD" UV discretisation near boundaries (*not* recommended)
C Note - only works with pkg/mom_fluxform and "no_slip_sides=.FALSE."
C because the old code did not have no-slip BCs
#undef OLD_ADV_BCS
C o Use LONG.bin, LATG.bin, etc., initialization for ini_curviliear_grid.F
C Default is to use "new" grid files (OLD_GRID_IO undef) but OLD_GRID_IO
C is still useful with, e.g., single-domain curvilinear configurations.
#undef OLD_GRID_IO
C o Use old EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility)
#undef USE_OLD_EXTERNAL_FORCING
C o Execution environment support options
#include "CPP_EEOPTIONS.h"
C o Include/exclude single header file containing multiple packages options
C (AUTODIFF, COST, CTRL, ECCO, EXF ...) instead of the standard way where
C each of the above pkg get its own options from its specific option file.
C Although this method, inherited from ECCO setup, has been traditionally
C used for all adjoint built, work is in progress to allow to use the
C standard method also for adjoint built.
c#ifdef PACKAGES_CONFIG_H
c# include "ECCO_CPPOPTIONS.h"
c#endif
#endif /* CPP_OPTIONS_H */

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