| 1 | !WRF:DRIVER_LAYER:CONSTANTS |
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| 2 | ! |
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| 3 | ! This MODULE contains all of the constants used in the model. These |
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| 4 | ! are separated by uage within the code. |
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| 5 | |
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| 6 | MODULE module_driver_constants |
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| 7 | |
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| 8 | ! 0. The following tells the rest of the model what data ordering we are |
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| 9 | ! using |
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| 10 | |
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| 11 | INTEGER , PARAMETER :: DATA_ORDER_XYZ = 1 |
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| 12 | INTEGER , PARAMETER :: DATA_ORDER_YXZ = 2 |
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| 13 | INTEGER , PARAMETER :: DATA_ORDER_ZXY = 3 |
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| 14 | INTEGER , PARAMETER :: DATA_ORDER_ZYX = 4 |
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| 15 | INTEGER , PARAMETER :: DATA_ORDER_XZY = 5 |
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| 16 | INTEGER , PARAMETER :: DATA_ORDER_YZX = 6 |
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| 17 | |
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| 18 | #include <model_data_order.inc> |
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| 19 | |
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| 20 | ! 1. Following are constants for use in defining maximal values for array |
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| 21 | ! definitions. |
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| 22 | ! |
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| 23 | |
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| 24 | ! The maximum number of levels in the model is how deeply the domains may |
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| 25 | ! be nested. |
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| 26 | |
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| 27 | INTEGER , PARAMETER :: max_levels = 20 |
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| 28 | |
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| 29 | ! The maximum number of nests that can depend on a single parent and other way round |
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| 30 | |
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| 31 | INTEGER , PARAMETER :: max_nests = 20 |
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| 32 | |
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| 33 | ! The maximum number of parents that a nest can have (simplified assumption -> one only) |
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| 34 | |
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| 35 | INTEGER , PARAMETER :: max_parents = 1 |
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| 36 | |
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| 37 | ! The maximum number of domains is how many grids the model will be running. |
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| 38 | |
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| 39 | INTEGER , PARAMETER :: max_domains = ( MAX_DOMAINS_F - 1 ) / 2 + 1 |
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| 40 | |
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| 41 | ! The maximum number of nest move specifications allowed in a namelist |
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| 42 | |
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| 43 | INTEGER , PARAMETER :: max_moves = 50 |
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| 44 | |
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| 45 | ! The maximum number of eta levels |
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| 46 | |
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| 47 | INTEGER , PARAMETER :: max_eta = 501 |
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| 48 | |
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| 49 | ! 2. Following related to driver leve data structures for DM_PARALLEL communications |
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| 50 | |
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| 51 | #ifdef DM_PARALLEL |
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| 52 | INTEGER , PARAMETER :: max_comms = 1024 |
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| 53 | #else |
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| 54 | INTEGER , PARAMETER :: max_comms = 1 |
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| 55 | #endif |
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| 56 | |
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| 57 | ! 3. Following is information related to the file I/O. |
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| 58 | |
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| 59 | ! These are the bounds of the available FORTRAN logical unit numbers for the file I/O. |
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| 60 | ! Only logical unti numbers within these bounds will be chosen for I/O unit numbers. |
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| 61 | |
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| 62 | INTEGER , PARAMETER :: min_file_unit = 10 |
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| 63 | INTEGER , PARAMETER :: max_file_unit = 99 |
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| 64 | CONTAINS |
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| 65 | SUBROUTINE init_module_driver_constants |
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| 66 | END SUBROUTINE init_module_driver_constants |
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| 67 | END MODULE module_driver_constants |
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