source:
branches/2014/dev_r4650_UKMO14.12_STAND_ALONE_OBSOPER/NEMOGCM/TOOLS/SIREN/src/phycst.f90
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| Last change on this file since 4810 was 4213, checked in by cbricaud, 10 years ago | |
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| 1 | !---------------------------------------------------------------------- |
| 2 | ! NEMO system team, System and Interface for oceanic RElocable Nesting |
| 3 | !---------------------------------------------------------------------- |
| 4 | ! |
| 5 | ! MODULE: phycst |
| 6 | ! |
| 7 | ! DESCRIPTION: |
| 8 | !> @brief This module defines physical constant. |
| 9 | ! |
| 10 | !> @author |
| 11 | !> J.paul |
| 12 | ! REVISION HISTORY: |
| 13 | !> @date Nov, 2013 - Initial Version |
| 14 | ! |
| 15 | !> @note Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
| 16 | !---------------------------------------------------------------------- |
| 17 | MODULE phycst |
| 18 | USE kind ! F90 kind parameter |
| 19 | |
| 20 | IMPLICIT NONE |
| 21 | |
| 22 | PUBLIC :: dg_pi !< pi |
| 23 | PUBLIC :: dg_eps !< epsilon value |
| 24 | PUBLIC :: dg_rearth !< earth radius (km) |
| 25 | PUBLIC :: dg_deg2rad !< |
| 26 | PRIVATE |
| 27 | ! NOTE_avoid_public_variables_if_possible |
| 28 | |
| 29 | REAL(dp), PARAMETER :: dg_pi = 3.14159274101257_dp |
| 30 | REAL(dp), PARAMETER :: dg_eps = EPSILON(1._dp) |
| 31 | REAL(dp), PARAMETER :: dg_rearth = 6871._dp |
| 32 | REAL(dp), PARAMETER :: dg_deg2rad = dg_pi/180.0 |
| 33 | |
| 34 | END MODULE phycst |
| 35 |
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